{"id":13056,"date":"2020-05-08T13:28:12","date_gmt":"2020-05-08T11:28:12","guid":{"rendered":"https:\/\/www.zeltwanger.de\/?page_id=13056"},"modified":"2020-12-14T08:48:34","modified_gmt":"2020-12-14T07:48:34","slug":"lexikon","status":"publish","type":"page","link":"https:\/\/www.zeltwanger.de\/cz\/technologie\/test-tesnosti\/lexikon\/","title":{"rendered":"Lexikon"},"content":{"rendered":"<h1>\n<p>Lexikon k testu t\u011bsnosti<\/p>\n<\/h1>\n<h2>\n<p>D\u016fle\u017eit\u00e9 pojmy kr\u00e1tce vysv\u011btlen\u00e9<\/p>\n<\/h2>\n<div>\n<p>Co je kalibr\u00e1tor net\u011bsnosti a co se p\u0159esn\u011b rozum\u00ed pod absolutn\u00edm tlakem? Kdy je f\u00e1ze pln\u011bn\u00ed v procesu testov\u00e1n\u00ed a jak\u00e9 jsou parametry rychlosti proud\u011bn\u00ed plynu?<\/p>\n<p>V na\u0161em lexikonu k testu t\u011bsnosti V\u00e1m vysv\u011btl\u00edme nejd\u016fle\u017eit\u011bj\u0161\u00ed pojmy kr\u00e1tce a v\u00fdsti\u017en\u011b. Hodn\u011b radosti p\u0159i objevov\u00e1n\u00ed!<\/p>\n<\/div>\n<ul>\n<li>\n        <a href=\"#a\">A<\/a>\n    <\/li>\n<li>\n        <a href=\"#b\">B<\/a>\n    <\/li>\n<li>\n        <a href=\"#c\">C<\/a>\n    <\/li>\n<li>\n        <a href=\"#ch\">\u010c<\/a>\n    <\/li>\n<li>\n        <a href=\"#d\">D<\/a>\n    <\/li>\n<li>\n        <a href=\"#f\">F<\/a>\n    <\/li>\n<li>\n        <a href=\"#g\">G<\/a>\n    <\/li>\n<li>\n        <a href=\"#h\">H<\/a>\n    <\/li>\n<li>\n        <a href=\"#i\">I<\/a>\n    <\/li>\n<li>\n        <a href=\"#k\">K<\/a>\n    <\/li>\n<li>\n        <a href=\"#m\">M<\/a>\n    <\/li>\n<li>\n        <a href=\"#n\">N<\/a>\n    <\/li>\n<li>\n        <a href=\"#o\">O<\/a>\n    <\/li>\n<li>\n        <a href=\"#p\">P<\/a>\n    <\/li>\n<li>\n        <a href=\"#r\">R<\/a>\n    <\/li>\n<li>\n        <a href=\"#s\">S<\/a>\n    <\/li>\n<li>\n        <a href=\"#t\">T<\/a>\n    <\/li>\n<li>\n        <a href=\"#z\">Z<\/a>\n    <\/li>\n<\/ul>\n<div>A<\/div>\n<ul>\n<li>\n<h3>Absolutn\u00ed tlak<\/h3>\n<div>\n<p>(symbol p; jednotka Pa)<\/p>\n<p>Tlak relativn\u011b k pr\u00e1zdn\u00e9mu prostoru. Absolutn\u011b pr\u00e1zdn\u00fd prostor definuje nulov\u00fd bod tlaku.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Akumula\u010dn\u00ed zkou\u0161ka<\/h3>\n<div>\n<p>Postup testov\u00e1n\u00ed t\u011bsnosti, p\u0159i kter\u00e9m se sou\u010d\u00e1st um\u00edst\u00ed do uzav\u0159en\u00e9ho objemu a pak se zat\u00ed\u017e\u00ed zku\u0161ebn\u00edm plynem. M\u011b\u0159ic\u00ed p\u0159\u00edstroj pak zm\u011b\u0159\u00ed \u010dasov\u00fd n\u00e1r\u016fst koncentrace v tomto objemu, kter\u00fd byl vyvol\u00e1n \u00fanikem v sou\u010d\u00e1sti.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Atmosf\u00e9rick\u00fd tlak<\/h3>\n<div>\n<p>Tlak atmosf\u00e9ry v pevn\u00e9m okam\u017eiku a na pevn\u00e9m m\u00edst\u011b.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>B<\/div>\n<ul>\n<li>\n<h3>Bombing<\/h3>\n<div>\n<p>Test, p\u0159i kter\u00e9m jsou zape\u010det\u011bn\u00e9 testovan\u00e9 objekty podrobeny procesu tlakov\u00e9ho ulo\u017een\u00ed, ne\u017e se otestuj\u00ed ve vakuov\u00e9 komo\u0159e.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Bubbletest<\/h3>\n<div>\n<p>Viz bublinkov\u00fd test<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Bublinkov\u00fd test<\/h3>\n<div>\n<p>Postup testov\u00e1n\u00ed t\u011bsnosti, p\u0159i kter\u00e9m lze net\u011bsnosti testovan\u00fdch objekt\u016f stoj\u00edc\u00edch pod p\u0159etlakem nal\u00e9zt \u00fapln\u00fdm pono\u0159en\u00edm do zku\u0161ebn\u00ed kapaliny (vody) nebo pokryt\u00edm jejich povrchu povrchov\u011b aktivn\u00edm roztokem (p\u011bniv\u00fdm prost\u0159edkem). Tlak v testovan\u00e9m objektu je p\u0159itom dostate\u010dn\u011b vysok\u00fd, aby se net\u011bsnosti uk\u00e1zaly tvorbou bublinek.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>C<\/div>\n<div>\n<h3>Clonov\u00e1 net\u011bsnost<\/h3>\n<div>\n<p>Vodiv\u00e1 net\u011bsnost, jej\u00ed\u017e pr\u016fm\u011br je mnohem v\u011bt\u0161\u00ed ne\u017e d\u00e9lka kan\u00e1lu net\u011bsnosti.<\/p>\n<p>POZN\u00c1MKA: Lze na n\u011bj pohl\u00ed\u017eet jako na otvor ve velmi tenk\u00e9 st\u011bn\u011b.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/div>\n<div>\u010c<\/div>\n<ul>\n<li>\n<h3>\u010cas testov\u00e1n\u00ed<\/h3>\n<div>\n<p>\u010cas testov\u00e1n\u00ed odpov\u00edd\u00e1 trv\u00e1n\u00ed cel\u00e9ho pr\u016fb\u011bhu m\u011b\u0159en\u00ed. Pr\u016fb\u011bh m\u011b\u0159en\u00ed se skl\u00e1d\u00e1 z f\u00e1z\u00ed p\u0159edb\u011b\u017en\u00e9 pln\u011bn\u00ed, pln\u011bn\u00ed, vyrovn\u00e1v\u00e1n\u00ed, m\u011b\u0159en\u00ed a odvzdu\u0161n\u011bn\u00ed. \u010cas testov\u00e1n\u00ed je sou\u010det trv\u00e1n\u00ed v\u0161ech f\u00e1z\u00ed. Nelze jej zam\u011b\u0148ovat s dobou m\u011b\u0159en\u00ed.<\/p>\n<p>Viz tak\u00e9:<br \/>\nF\u00e1ze m\u011b\u0159en\u00ed<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>\u010cichac\u00ed sonda<\/h3>\n<div>\n<p>Za\u0159\u00edzen\u00ed, kter\u00fdm lze zachytit zku\u0161ebn\u00ed plyn z oblasti testovan\u00e9ho objektu a p\u0159iv\u00e9st k detektoru net\u011bsnost\u00ed p\u0159i pot\u0159ebn\u00e9m n\u00edzk\u00e9m tlaku.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>D<\/div>\n<ul>\n<li>\n<h3>Detektor net\u011bsnost\u00ed hlavn\u00edho proudu<\/h3>\n<div>\n<p>Hmotov\u011b spektroskopick\u00fd detektor net\u011bsnost\u00ed, u kter\u00e9ho plyn te\u010de p\u0159\u00edmo ze vstupn\u00edho veden\u00ed skrz vysokovakuovou v\u00fdv\u011bvu a parci\u00e1ln\u00ed tlak zku\u0161ebn\u00edho plynu se m\u011b\u0159\u00ed na stran\u011b vysok\u00e9ho vakua tohoto \u010derpadla.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Detektor \u00faniku helia<\/h3>\n<div>\n<p>Detektor net\u011bsnost\u00ed, kter\u00fd reaguje helium (4He) jako zku\u0161ebn\u00ed plyn.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Doba m\u011b\u0159en\u00ed<\/h3>\n<div>\n<p>Viz tak\u00e9: F\u00e1ze m\u011b\u0159en\u00ed<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Doba pln\u011bn\u00ed<\/h3>\n<div>\n<p>viz F\u00e1ze pln\u011bn\u00ed<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>F<\/div>\n<ul>\n<li>\n<h3>F\u00e1ze m\u011b\u0159en\u00ed<\/h3>\n<div>\n<p>V m\u011b\u0159idle t\u011bsnosti (metoda relativn\u00edho tlaku nebo diferen\u010dn\u00edho tlaku) odpov\u00edd\u00e1 f\u00e1ze m\u011b\u0159en\u00ed \u010dasov\u00e9mu intervalu, ve kter\u00e9m se m\u011b\u0159\u00ed pokles tlaku.<\/p>\n<p>D\u00e9lka tohoto intervalu z\u00e1vis\u00ed na testovan\u00e9m v\u00fdrobku a na mezn\u00edch hodnot\u00e1ch:<\/p>\n<p>\u010c\u00edm v\u011bt\u0161\u00ed objem, t\u00edm v\u00edce \u010dasu je pot\u0159eba na zji\u0161t\u011bn\u00ed rozpoznateln\u00e9ho poklesu tlaku.<\/p>\n<p>\u010c\u00edm men\u0161\u00ed net\u011bsnost, t\u00edm v\u00edce \u010dasu je pot\u0159eba na zji\u0161t\u011bn\u00ed rozpoznateln\u00e9ho poklesu tlaku<\/p>\n<p>\u010c\u00edm vy\u0161\u0161\u00ed po\u017eadovan\u00e1 p\u0159esnost m\u011b\u0159en\u00ed, t\u00edm v\u00edce \u010dasu je pot\u0159eba k doc\u00edlen\u00ed stabiln\u00edho v\u00fdsledku.<\/p>\n<p>V testu t\u011bsnosti metodou pr\u016ftoku odpov\u00edd\u00e1 tato f\u00e1ze \u010dasov\u00e9mu intervalu, ve kter\u00e9m se ode\u010d\u00edt\u00e1 pr\u016ftok, kter\u00fd p\u0159\u00edmo odr\u00e1\u017e\u00ed m\u00edru net\u011bsnosti. Trv\u00e1n\u00ed f\u00e1ze je velmi kr\u00e1tk\u00e9 a nem\u00e1 t\u00e9m\u011b\u0159 \u017e\u00e1dn\u00fd vliv na v\u00fdsledek m\u011b\u0159en\u00ed.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>F\u00e1ze odvzdu\u0161n\u011bn\u00ed<\/h3>\n<div>\n<p>V m\u011b\u0159idle t\u011bsnosti je testovan\u00fd v\u00fdrobek po cel\u00fd pr\u016fb\u011bh m\u011b\u0159en\u00ed zat\u00ed\u017een\u00fd tlakem. Jakmile je f\u00e1ze m\u011b\u0159en\u00ed dokon\u010den\u00e1, lze testovan\u00fd v\u00fdrobek odvzdu\u0161nit. To znamen\u00e1, \u017ee se otev\u0159e odvzdu\u0161\u0148ovac\u00ed ventil a tlak syst\u00e9mu se vyrovn\u00e1 s okol\u00edm. Doba odvzdu\u0161\u0148ov\u00e1n\u00ed z\u00e1vis\u00ed na tlaku a objemu testovan\u00e9ho v\u00fdrobku.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>F\u00e1ze pln\u011bn\u00ed<\/h3>\n<div>\n<p>V t\u00e9to f\u00e1zi se testovan\u00fd v\u00fdrobek pln\u00ed tlakem, kter\u00fd odpov\u00edd\u00e1 testovac\u00edmu tlaku. Trv\u00e1n\u00ed procesu pln\u011bn\u00ed (doba pln\u011bn\u00ed) z\u00e1vis\u00ed na objemu testovan\u00e9ho v\u00fdrobku a hodnot\u011b tlaku.<\/p>\n<p>F\u00e1zi pln\u011bn\u00ed m\u016f\u017ee p\u0159edch\u00e1zet f\u00e1ze p\u0159edb\u011b\u017en\u00e9ho pln\u011bn\u00ed. Tato p\u0159\u00edpravn\u00e1 f\u00e1ze slou\u017e\u00ed k p\u0159edpnut\u00ed testovan\u00e9ho v\u00fdrobku, mechanick\u00e9 stabilizaci a minimalizaci tepeln\u00fdch efekt\u016f ve zku\u0161ebn\u00edm plynu. Trv\u00e1n\u00ed a hodnota tlaku se zji\u0161\u0165uj\u00ed empiricky. Typicky je tlak p\u0159edb\u011b\u017en\u00e9ho pln\u011bn\u00ed o 10-20% vy\u0161\u0161\u00ed ne\u017e plnic\u00ed tlak.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>F\u00e1ze p\u0159edb\u011b\u017en\u00e9ho pln\u011bn\u00ed<\/h3>\n<div>\n<p>F\u00e1ze p\u0159edb\u011b\u017en\u00e9ho pln\u011bn\u00ed m\u016f\u017ee p\u0159edch\u00e1zet f\u00e1zi pln\u011bn\u00ed. Tato p\u0159\u00edpravn\u00e1 f\u00e1ze slou\u017e\u00ed k p\u0159edpnut\u00ed testovan\u00e9ho v\u00fdrobku, mechanick\u00e9 stabilizaci a minimalizaci tepeln\u00fdch efekt\u016f ve zku\u0161ebn\u00edm plynu. Trv\u00e1n\u00ed a hodnota tlaku se zji\u0161\u0165uj\u00ed empiricky. Typicky je tlak p\u0159edb\u011b\u017en\u00e9ho pln\u011bn\u00ed o 10-20% vy\u0161\u0161\u00ed ne\u017e plnic\u00ed tlak.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>F\u00e1ze vyrovn\u00e1v\u00e1n\u00ed<\/h3>\n<div>\n<p>P\u0159i testu t\u011bsnosti metodou zm\u011bny tlaku poskytuje f\u00e1ze vyrovn\u00e1v\u00e1n\u00ed syst\u00e9mu pot\u0159ebn\u00fd \u010das, aby se minimalizovaly ne\u017e\u00e1douc\u00ed p\u0159\u00ednosy v\u016f\u010di zm\u011bn\u011b tlaku, kter\u00e9 souvisej\u00ed s \u00fa\u010dinnou net\u011bsnost\u00ed. Typick\u00fdmi ru\u0161iv\u00fdmi faktory jsou tepeln\u00e9 efekty podm\u00edn\u011bn\u00e9 nehomogennost\u00ed teploty v plynu a v testovan\u00e9m v\u00fdrobku a fyzik\u00e1ln\u00ed efekty podm\u00edn\u011bn\u00e9 odpa\u0159ov\u00e1n\u00edm nebo kondenzac\u00ed par v testovan\u00e9m v\u00fdrobku. Doba f\u00e1ze vyrovn\u00e1v\u00e1n\u00ed je siln\u011b z\u00e1visl\u00e1 na testovan\u00e9m v\u00fdrobku a podm\u00ednk\u00e1ch prost\u0159ed\u00ed a norm\u00e1ln\u011b se zji\u0161\u0165uje empiricky.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>F\u00e1ze zklidn\u011bn\u00ed<\/h3>\n<div>\n<p>Viz tak\u00e9: F\u00e1ze vyrovn\u00e1v\u00e1n\u00ed<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>H<\/div>\n<ul>\n<li>\n<h3>Hmotov\u011b spektrometrick\u00fd detektor net\u011bsnost\u00ed (MSLD)<\/h3>\n<div>\n<p>Detektor net\u011bsnost\u00ed, u kter\u00e9ho je prokazovac\u00edm prvkem hmotov\u00fd spektrometr, kter\u00fd je nastaven\u00fd tak, aby reagoval pouze na zku\u0161ebn\u00ed plyn.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Hmotov\u00fd spektrometr<\/h3>\n<div>\n<p>P\u0159\u00edstroj, kter\u00fd um\u00ed odd\u011blit ionizovan\u00e9 atomy nebo molekuly podle jejich pom\u011bru hmotnosti k n\u00e1boji a zm\u011b\u0159it odpov\u00eddaj\u00edc\u00ed iontov\u00fd proud. V\u00fdstupn\u00ed sign\u00e1l je proporcion\u00e1ln\u00ed k parci\u00e1ln\u00edmu tlaku ur\u010dit\u00e9ho plynu ve sm\u011bsi.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>I<\/div>\n<ul>\n<li>\n<h3>Ide\u00e1ln\u00ed plyn<\/h3>\n<div>\n<p>Jako ide\u00e1ln\u00ed plyn se ozna\u010duje ve fyzice a fyzik\u00e1ln\u00ed chemii idealizovan\u00e1 p\u0159edstava modelu skute\u010dn\u00e9ho plynu, kter\u00fd p\u0159esn\u011b spl\u0148uje vztah pV=nRT:<br \/>P\u0159itom je:<br \/>n = m\/M;<br \/>p = tlak;<br \/>V = objem;<br \/>m = hmotnost plynu;<br \/>M = mol\u00e1rn\u00ed hmotnost;<br \/>R = univerz\u00e1ln\u00ed plynov\u00e1 konstanta;<br \/>T = absolutn\u00ed teplota.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Integr\u00e1ln\u00ed m\u00edra net\u011bsnosti<\/h3>\n<div>\n<p>Sou\u010det m\u011br net\u011bsnosti ze v\u0161ech net\u011bsnost\u00ed v jednom objektu uveden\u00fd jako pr\u016ftok pV.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Integr\u00e1ln\u00ed net\u011bsnost<\/h3>\n<div>\n<p>viz<br \/>Integr\u00e1ln\u00ed m\u00edra net\u011bsnosti<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Integr\u00e1ln\u00ed test<\/h3>\n<div>\n<p>Test t\u011bsnosti, kter\u00fd umo\u017e\u0148uje ur\u010dit integr\u00e1ln\u00ed m\u00edru net\u011bsnosti sou\u010d\u00e1sti. K integr\u00e1ln\u00ed testovac\u00ed metod\u011b pat\u0159\u00ed test zm\u011bny tlaku, akumula\u010dn\u00ed zkou\u0161ka a vakuov\u00e1 zkou\u0161ka.<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>K<\/div>\n<ul>\n<li>\n<h3>Kalibrace<\/h3>\n<div>\n<p>Kalibrace obecn\u011b a p\u0159i testu t\u011bsnosti vzduchem<\/p>\n<p>Ozna\u010duje m\u011b\u0159en\u00ed a dokumentaci odchylky testu m\u011b\u0159ic\u00edho p\u0159\u00edstroje oproti obnoviteln\u00e9mu norm\u00e1lu.<\/p>\n<p>Kalibrace hmotov\u011b spektrometrick\u00e9ho detektoru net\u011bsnost\u00ed:<\/p>\n<p>Nastaven\u00ed citlivosti nebo kalibra\u010dn\u00edho faktoru detektoru net\u011bsnost\u00ed tak, aby byla zm\u011bna indikace rovna m\u00ed\u0159e net\u011bsnosti zku\u0161ebn\u00ed net\u011bsnosti.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Kalibr\u00e1tor net\u011bsnosti<\/h3>\n<div>\n<p>Pod pojmem kalibr\u00e1tor net\u011bsnosti se rozum\u00ed p\u0159\u00edstroj, u kter\u00e9ho lze nastavit m\u00edsu net\u011bsnosti v z\u00e1vislosti na tlaku p\u0159esn\u00fdm jehlov\u00fdm ventilem.<\/p>\n<p>P\u0159\u00edstroj se pou\u017e\u00edv\u00e1 podobn\u011b jako zku\u0161ebn\u00ed net\u011bsnost pro kontrolu p\u0159\u00edstroj\u016f na testov\u00e1n\u00ed \u00fanik\u016f \/ p\u0159\u00edstroj\u016f na testov\u00e1n\u00ed t\u011bsnosti.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Kapil\u00e1rn\u00ed net\u011bsnost<\/h3>\n<div>\n<p>Vodiv\u00e1 net\u011bsnost, p\u0159i kter\u00e9 je pr\u016fm\u011br v pom\u011bru k d\u00e9lce mal\u00fd.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Komorov\u00e1 zkou\u0161ka<\/h3>\n<div>\n<p>T\u00edm m\u016f\u017ee b\u00fdt m\u00edn\u011bna jak zkou\u0161ka zvonem, tak i akumula\u010dn\u00ed zkou\u0161ka.<\/p>\n<p>viz Zkou\u0161ka zvonem<\/p>\n<p>viz Akumula\u010dn\u00ed zkou\u0161ka<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Koncentrace<\/h3>\n<div>\n<p>(symbol nB)<\/p>\n<p>Pom\u011br po\u010dtu atom\u016f nebo molekul ur\u010dit\u00e9 slo\u017eky k celkov\u00e9mu po\u010dtu atom\u016f nebo molekul ve sm\u011bsi. U plyn\u016f je tento pom\u011br ekvivalentn\u00ed k objemov\u00e9mu pod\u00edlu (symbol c).<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Kontrola poklesu tlaku<\/h3>\n<div>\n<p>Viz tak\u00e9: <a href=\"#t\">Test zm\u011bny tlaku<\/a><\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>M<\/div>\n<ul>\n<li>\n<h3>Metoda poklesu tlaku<\/h3>\n<div>\n<p>Test t\u011bsnosti, p\u0159i kter\u00e9m se m\u011b\u0159\u00ed rychlost celkov\u00e9ho poklesu tlaku v testovan\u00e9m objektu. M\u00edru net\u011bsnosti lze p\u0159\u00edmo vypo\u010d\u00edtat jako proud\u011bn\u00ed pV.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Metoda testov\u00e1n\u00ed \u010dich\u00e1n\u00edm<\/h3>\n<div>\n<p>Postup testov\u00e1n\u00ed t\u011bsnosti, p\u0159i kter\u00e9m je testovan\u00fd objekt napln\u011bn\u00fd zku\u0161ebn\u00edm plynem pod tlakem. Zku\u0161ebn\u00ed plyn, kter\u00fd unik\u00e1 skrz net\u011bsnosti, se prokazuje \u010dichac\u00ed sondou, bu\u010f p\u0159\u00edmo nebo nahromad\u011bn\u00edm v komo\u0159e nebo obalu.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Metoda vakuov\u00e9ho testov\u00e1n\u00ed<\/h3>\n<div>\n<p>Postup testov\u00e1n\u00ed t\u011bsnosti, p\u0159i kter\u00e9m je jedna strana testovan\u00e9ho objektu evakuovan\u00e1, na druh\u00e9 stran\u011b je p\u0159iveden\u00fd zku\u0161ebn\u00ed plyn a pak se prok\u00e1\u017ee sv\u00fdm vstupem do vakua.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Mez prokazatelnosti testu t\u011bsnosti<\/h3>\n<div>\n<p>Viz Nejmen\u0161\u00ed prokazateln\u00e1 m\u00edra net\u011bsnosti<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>M\u011b\u0159i\u010d absolutn\u00edho tlaku<\/h3>\n<div>\n<p>M\u011b\u0159ic\u00ed p\u0159\u00edstroj, kter\u00fd m\u011b\u0159\u00ed absolutn\u00ed tlak.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>M\u00edra net\u011bsnosti<\/h3>\n<div>\n<p>Pr\u016ftok pV ur\u010dit\u00e9ho m\u00e9dia, kter\u00e9 za stanoven\u00fdch podm\u00ednek proud\u00ed skrz net\u011bsnost.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>M\u00edra net\u011bsnosti<\/h3>\n<div>\n<p>Viz M\u00edra net\u011bsnosti<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Molekul\u00e1rn\u00ed net\u011bsnost<\/h3>\n<div>\n<p>Net\u011bsnost takov\u00e9 geometrie a za takov\u00fdch tlakov\u00fdch podm\u00ednek, \u017ee se prot\u00e9kaj\u00edc\u00ed plyn \u0159\u00edd\u00ed z\u00e1kony molekul\u00e1rn\u00edho proud\u011bn\u00ed.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Mrtv\u00fd objem<\/h3>\n<div>\n<p>Objem syst\u00e9mu testov\u00e1n\u00ed t\u011bsnosti, kter\u00fd se p\u0159i\u010d\u00edt\u00e1 k objemu testovan\u00e9ho objektu.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>N<\/div>\n<ul>\n<li>\n<h3>Nejmen\u0161\u00ed prokazateln\u00e1 m\u00edra net\u011bsnosti<\/h3>\n<div>\n<p>Nejmen\u0161\u00ed m\u00edra net\u011bsnosti, kterou m\u016f\u017ee p\u0159\u00edstroj, metoda, syst\u00e9m za zku\u0161ebn\u00edch podm\u00ednek prok\u00e1zat.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Net\u011bsnost<\/h3>\n<div>\n<p>V nedestruktivn\u00ed technice zkou\u0161en\u00ed otvor, por\u00e9zn\u00ed oblast, oblast propou\u0161t\u011bj\u00edc\u00ed plyn nebo jin\u00e1 struktura ve st\u011bn\u011b testovan\u00e9ho objektu, skrz kter\u00e9 m\u016f\u017ee na z\u00e1klad\u011b rozd\u00edlu tlak\u016f nebo koncentrac\u00ed pronikat plyn z jedn\u00e9 strany st\u011bny na druhou.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<p>Viz: M\u00edra net\u011bsnosti<\/p>\n<p>Pr\u016ftok pV<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Norm\u00e1ln\u00ed m\u00edra net\u011bsnosti<\/h3>\n<div>\n<p>M\u00edra net\u011bsnosti, kter\u00e1 se definuje p\u0159es objem, kter\u00fd zauj\u00edm\u00e1 z net\u011bsnosti unikaj\u00edc\u00ed mno\u017estv\u00ed plynu p\u0159i norm\u00e1ln\u00edm tlaku a teplot\u011b (0\u00b0 C a 1013 mbar). \u00dadaj norm\u00e1ln\u00edch m\u011br net\u011bsnosti se v\u011bt\u0161inou pou\u017e\u00edv\u00e1, aby bylo mo\u017en\u00e9 porovnat v\u00fdsledky, kter\u00e9 byly nam\u011b\u0159eny p\u0159i r\u016fzn\u00fdch podm\u00ednk\u00e1ch prost\u0159ed\u00ed.V<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>O<\/div>\n<div>\n<h3>Odezva<\/h3>\n<div>\n<p>\u010cas, po kter\u00fd trv\u00e1, ne\u017e se zm\u011b\u0159\u00ed ur\u010dit\u00e9 procento v\u00fdstupn\u00edho sign\u00e1lu ve vyhled\u00e1va\u010di \u00faniku zku\u0161ebn\u00edho plynu. V\u00fdstupn\u00ed sign\u00e1l se zm\u011b\u0159\u00ed, jakmile se nastav\u00ed rovnov\u00e1\u017en\u00fd tlak mezi objemem pln\u00edc\u00edm se pomalu zku\u0161ebn\u00edm plynem a vyhled\u00e1va\u010dem \u00faniku zku\u0161ebn\u00edho plynu.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/div>\n<div>P<\/div>\n<ul>\n<li>\n<h3>Parci\u00e1ln\u00ed tlak<\/h3>\n<div>\n<p>(symboly: pA, pB)<\/p>\n<p>Tlak, kter\u00fd by byl vyvinut plynem nebo parn\u00ed slo\u017ekou sm\u011bsi, pokud by byla v n\u00e1dob\u011b p\u0159\u00edtomna sama.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Pln\u011bn\u00ed<\/h3>\n<div>\n<p>viz F\u00e1ze pln\u011bn\u00ed<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Plnic\u00ed tlak<\/h3>\n<div>\n<p>Tlak, p\u0159i kter\u00e9m se prov\u00e1d\u00ed m\u011b\u0159en\u00ed. Typicky se uv\u00e1d\u00ed jako relativn\u00ed tlak<\/p>\n<p>viz Relativn\u00ed tlak<\/p>\n<p>viz F\u00e1ze pln\u011bn\u00ed<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Propustnost plynu<\/h3>\n<div>\n<p>Vlastnost nepor\u00e9zn\u00edho materi\u00e1lu propou\u0161t\u011bt plyn za \u00fa\u010dinku rozd\u00edlu parci\u00e1ln\u00edho tlaku v procesu rozpou\u0161t\u011bn\u00ed\/dif\u00faze.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Protiproud\u00fd detektor net\u011bsnost\u00ed<\/h3>\n<div>\n<p>Hmotov\u011b spektroskopick\u00fd detektor net\u011bsnost\u00ed, ve kter\u00e9m zku\u0161ebn\u00ed plyn proud\u00ed skrz veden\u00ed p\u0159edvakua do v\u00fdstupu vysokovakuov\u00e9 v\u00fdv\u011bvy a parci\u00e1ln\u00ed tlak zku\u0161ebn\u00edho plynu se m\u011b\u0159\u00ed na stran\u011b vysok\u00e9ho vakua tohoto \u010derpadla.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Pozad\u00ed zku\u0161ebn\u00edho plynu<\/h3>\n<div>\n<p>Sign\u00e1l pozad\u00ed, kter\u00fd poch\u00e1z\u00ed od zku\u0161ebn\u00edho plynu ze syst\u00e9mu a ne z vlastn\u00edho \u00faniku. Sign\u00e1l pozad\u00ed vych\u00e1z\u00ed v neprozkouman\u00e9m okoln\u00edm vzduchu z koncentrace zku\u0161ebn\u00edho plynu p\u0159\u00edtomn\u00e9 ve vzduchu. Pro helium je to 5 ppm a pro vod\u00edk 0,5 ppm. Parci\u00e1ln\u00ed tlak odpov\u00eddaj\u00edc\u00ed t\u00e9to koncentraci vych\u00e1z\u00ed z produktu z absolutn\u00edho tlaku a koncentrace.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>P\u0159etlak<\/h3>\n<div>\n<p>Tlak, kter\u00fd je zobrazovan\u00fd m\u011b\u0159i\u010dem tlaku, kter\u00fd m\u011b\u0159\u00ed relativn\u011b k atmosf\u00e9rick\u00e9mu tlaku.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<p>Viz tak\u00e9: Relativn\u00ed tlak<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Propustnost plynu<\/h3>\n<div>\n<p>Vlastnost nepor\u00e9zn\u00edho materi\u00e1lu propou\u0161t\u011bt plyn za \u00fa\u010dinku rozd\u00edlu parci\u00e1ln\u00edho tlaku v procesu rozpou\u0161t\u011bn\u00ed\/dif\u00faze.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Pr\u016ftok<\/h3>\n<div>\n<p>Viz tak\u00e9: Pr\u016ftok pV<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Pr\u016ftok PV<\/h3>\n<div>\n<p>(symbol qG; jednotka Pa\u00b7m3\/s)<\/p>\n<p>Rychlost, kterou n\u011bjak\u00fd objem plynu p\u0159i stanoven\u00e9m tlaku projde dan\u00fdm pr\u016f\u0159ezem syst\u00e9mu. POZN\u00c1MKA: Pou\u017e\u00edv\u00e1-li se pr\u016ftok pV, jak je v testu t\u011bsnosti obvykl\u00e9, k \u00fadaji rychlosti proud\u011bn\u00ed plynu, uv\u00e1d\u011bj\u00ed se nav\u00edc teplota a mol\u00e1rn\u00ed hmotnost nebo hustota, tak\u017ee je mo\u017en\u00e9 rychlost proud\u011bn\u00ed plynu vypo\u010d\u00edtat s pomoc\u00ed stavov\u00e9 rovnice ide\u00e1ln\u00edho plynu.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>R<\/div>\n<ul>\n<li>\n<h3>Referen\u010dn\u00ed net\u011bsnost<\/h3>\n<div>\n<p>Viz tak\u00e9:<br \/>\nKalibr\u00e1tor net\u011bsnosti<\/p>\n<p>Zku\u0161ebn\u00ed net\u011bsnost<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Relativn\u00ed tlak<\/h3>\n<div>\n<p>Tlak, kter\u00fd se nam\u011b\u0159\u00ed relativn\u011b ke zn\u00e1m\u00e9mu referen\u010dn\u00edmu tlaku (typicky atmosf\u00e9rick\u00fd tlak).<\/p>\n<p>Viz tak\u00e9: P\u0159etlak<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Rychlost proud\u011bn\u00ed plynu<\/h3>\n<div>\n<p>(Hmotnost: Symbol qM; jednotka kg\/s<\/p>\n<p>\u010c\u00e1stice: Symbol qN; jednotka s\/1<\/p>\n<p>Mol\u00e1rn\u011b: Symbol qv; jednotka mol\/s)<\/p>\n<p>Mno\u017estv\u00ed plynu za \u010das, kter\u00e9 prote\u010de pevn\u00fdm pr\u016f\u0159ezem syst\u00e9mu. Rychlost proud\u011bn\u00ed se uv\u00e1d\u00ed jako po\u010det mol\u016f, hmotnost nebo po\u010det \u010d\u00e1stic, kter\u00e9 se p\u0159em\u00edst\u00ed za \u010dasovou jednotku.<\/p>\n<p>Rychlost proud\u011bn\u00ed se vyjad\u0159uje v molech za sekundu, kilogram za sekundu nebo 1\/sekunda (u \u010d\u00e1stic).<\/p>\n<p>Pro plyny je rychlost objemov\u00e9ho proudu (objem: Symbol qV; jednotka m\u00b3\/s) pouze za stanoven\u00fdch podm\u00ednek m\u00edra pro mno\u017estv\u00ed.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>S<\/div>\n<div>\n<h3>Standardn\u00ed (zku\u0161ebn\u00ed) net\u011bsnost<\/h3>\n<div>\n<p>Zku\u0161ebn\u00ed net\u011bsnost, jej\u00ed\u017e m\u00edru net\u011bsnosti lze p\u0159iv\u00e9st zp\u00e1tky na z\u00e1kladn\u00ed standard.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/div>\n<div>T<\/div>\n<ul>\n<li>\n<h3>Test pr\u016fniku kapaliny<\/h3>\n<div>\n<p>Postup testov\u00e1n\u00ed t\u011bsnosti, p\u0159i kter\u00e9m kapaln\u00e9 barvivo nebo fluorescen\u010dn\u00ed olej v d\u016fsledku tlakov\u00e9ho rozd\u00edlu pronik\u00e1 net\u011bsnost\u00ed ve st\u011bn\u011b testovan\u00e9ho objektu a pak se na druh\u00e9 stran\u011b prok\u00e1\u017ee vizu\u00e1ln\u00ed kontrolou.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Test t\u011bsnosti<\/h3>\n<div>\n<p>Rovn\u011b\u017e se naz\u00fdv\u00e1 zkou\u0161ka t\u011bsnosti, test \u00faniku, zkou\u0161ka net\u011bsnosti nebo zkou\u0161ka \u00faniku)<\/p>\n<p>Test t\u011bsnosti je nedestruktivn\u00ed metoda testov\u00e1n\u00ed, kterou se zji\u0161\u0165uje proud plynu nebo kapaliny skrz net\u011bsnosti v testovan\u00e9m objektu, a zji\u0161t\u011bn\u00e1 hodnota p\u0159epo\u010d\u00edtan\u00e1 na skute\u010dnou m\u00edru net\u011bsnosti za provozn\u00edch podm\u00ednek se porovn\u00e1 s maxim\u00e1ln\u011b p\u0159\u00edpustnou m\u00edrou net\u011bsnosti.<\/p>\n<p>Test t\u011bsnosti je v\u017edy srovn\u00e1vac\u00ed m\u011b\u0159en\u00ed.<\/p>\n<p>Viz tak\u00e9:<br \/>T\u011bsn\u00e9<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Test t\u011bsnosti &#8211; metoda absolutn\u00edho tlaku<\/h3>\n<div>\n<p>Viz tak\u00e9:<br \/>Test t\u011bsnosti: Metoda relativn\u00edho tlaku<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Test t\u011bsnosti: Metoda diferen\u010dn\u00edho tlaku<\/h3>\n<div>\n<p>Metoda diferen\u010dn\u00edho tlaku (metoda DD) je vylep\u0161en\u00ed metody relativn\u00edho tlaku. P\u0159i tom se testovan\u00fd v\u00fdrobek a nav\u00edc referen\u010dn\u00ed objem napln\u00ed ve f\u00e1zi pln\u011bn\u00ed stla\u010den\u00fdm vzduchem. Mezi testovan\u00fdm v\u00fdrobkem a referen\u010dn\u00edm objemem je p\u0159ipojen\u00fd dodate\u010dn\u00fd senzor diferen\u010dn\u00edho tlaku. Pot\u00e9, co je syst\u00e9m odpojen od tlakov\u00e9ho nap\u00e1jen\u00ed a je vyrovnan\u00fd, se zjist\u00ed tlakov\u00fd rozd\u00edl mezi testovan\u00fdm v\u00fdrobkem a referen\u010dn\u00edm objemem za ur\u010dit\u00fd \u010das. Tato hodnota odpov\u00edd\u00e1 zm\u011bn\u011b tlaku v testovan\u00e9m v\u00fdrobku a z t\u00e9to hodnoty lze vypo\u010d\u00edtat m\u00edru net\u011bsnosti. Proto\u017ee je tlakov\u00fd rozd\u00edl mezi testovan\u00fdm v\u00fdrobkem a referen\u010dn\u00edm objemem nez\u00e1visle na zku\u0161ebn\u00edm tlaku velmi mal\u00fd, m\u016f\u017ee b\u00fdt tlakov\u00fd rozsah senzoru diferen\u010dn\u00edho tlaku o mnoho men\u0161\u00ed ne\u017e zku\u0161ebn\u00ed tlak. To umo\u017e\u0148uje typick\u00e9 rozli\u0161en\u00ed 0,1 Pa a ve zvl\u00e1\u0161tn\u00edch p\u0159\u00edpadech i men\u0161\u00ed.<\/p>\n<p>Metoda diferen\u010dn\u00edho tlaku se pou\u017e\u00edv\u00e1, kdy\u017e je p\u0159i vy\u0161\u0161\u00edch tlac\u00edch po\u017eadov\u00e1no vysok\u00e9 rozli\u0161en\u00ed. Technick\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed je n\u00e1ro\u010dn\u011bj\u0161\u00ed ne\u017e p\u0159i metod\u011b relativn\u00edho tlaku.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Test t\u011bsnosti: Metoda p\u0159\u00edm\u00e9ho pr\u016ftoku<\/h3>\n<div>\n<p>V metod\u011b p\u0159\u00edm\u00e9ho pr\u016ftoku (metoda DF) se testovan\u00fd v\u00fdrobek p\u0159\u00edmo p\u0159es senzor hmotnostn\u00edho pr\u016ftoku zat\u00ed\u017e\u00ed tlakem. Proud plynu se m\u011b\u0159\u00ed p\u0159\u00edmo skrz net\u011bsnost.<\/p>\n<p>Metoda je velmi rychl\u00e1 a zvl\u00e1\u0161t\u011b vhodn\u00e1 pro velk\u00e9 m\u00edry net\u011bsnosti.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Test t\u011bsnosti: Metoda referen\u010dn\u00edho pr\u016ftoku<\/h3>\n<div>\n<p>Metoda referen\u010dn\u00edho pr\u016ftoku (metoda MF) je variantou metody diferen\u010dn\u00edho tlaku, kter\u00e1 se zvl\u00e1\u0161t\u011b hod\u00ed pro velk\u00e9 objemy. Je-li testovan\u00fd v\u00fdrobek velmi velk\u00fd, je p\u0159i mal\u00fdch \u00fanic\u00edch pot\u0159ebn\u00e1 velmi dlouh\u00e1 doba m\u011b\u0159en\u00ed, aby se vytvo\u0159il znateln\u00fd pokles tlaku. Senzorem hmotnostn\u00edho pr\u016ftoku (typicky kalorimetrick\u00fd senzor) lze net\u011bsnost m\u011b\u0159it p\u0159\u00edmo bez \u010dek\u00e1n\u00ed, ne\u017e dojde k m\u011b\u0159iteln\u00e9 zm\u011bn\u011b tlaku. Uspo\u0159\u00e1d\u00e1n\u00ed je jako u metody diferen\u010dn\u00edho tlaku, av\u0161ak senzor hmotnostn\u00edho pr\u016ftoku nahrad\u00ed senzor diferen\u010dn\u00edho tlaku. Jakmile je testovan\u00fd v\u00fdrobek a referen\u010dn\u00ed objem napln\u011bn\u00fd, aktivuje se senzor hmotnostn\u00edho pr\u016ftoku (obtokov\u00fd ventil). Net\u011bsnost v testovan\u00e9m v\u00fdrobku zp\u016fsob\u00ed kompenza\u010dn\u00ed proud\u011bn\u00ed mezi referen\u010dn\u00edm objemem a testovan\u00fdm v\u00fdrobkem. Toto proud\u011bn\u00ed je ihned zji\u0161t\u011bno senzorem. Nam\u011b\u0159en\u00fd hmotnostn\u00ed pr\u016ftok neodpov\u00edd\u00e1 p\u0159esn\u011b hodnot\u011b net\u011bsnosti na testovan\u00e9m v\u00fdrobku, n\u00fdbr\u017e je z\u00e1visl\u00fd na pom\u011bru mezi objemem testovan\u00e9ho v\u00fdrobku a referen\u010dn\u00edm objemem.<\/p>\n<p>Rozli\u0161en\u00ed je ur\u010deno citlivost\u00ed senzoru hmotnostn\u00edho pr\u016ftoku.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Test t\u011bsnosti: Metoda relativn\u00edho tlaku<\/h3>\n<div>\n<p>Metoda relativn\u00edho tlaku (metoda RD) je z\u00e1kladem v\u0161ech testov\u00e1n\u00ed zm\u011bny tlaku. Dovoluje kompaktn\u00ed uspo\u0159\u00e1d\u00e1n\u00ed a vyzna\u010duje se vysokou provozn\u00ed bezpe\u010dnost\u00ed a rovn\u011b\u017e velk\u00fdm m\u011b\u0159ic\u00edm rozsahem. P\u0159i tom se testovan\u00fd v\u00fdrobek zat\u00ed\u017e\u00ed tlakem, pot\u00e9 se ventilem odd\u011bl\u00ed od zdroje vzduchu a zji\u0161\u0165uje se zm\u011bna tlaku za ur\u010ditou dobu. Jeden jedin\u00fd senzor relativn\u00edho tlaku slou\u017e\u00ed jako m\u011b\u0159idlo zm\u011bny tlaku a zku\u0161ebn\u00edho tlaku. M\u011b\u0159ic\u00ed rozsah senzoru odpov\u00edd\u00e1 maxim\u00e1ln\u00edmu zku\u0161ebn\u00edmu tlaku. Zm\u011bna tlaku z\u00e1vis\u00ed na zku\u0161ebn\u00edm objemu a zku\u0161ebn\u00edm tlaku. S ub\u00fdvaj\u00edc\u00edm zku\u0161ebn\u00edm objemem se zm\u011bna tlaku projevuje siln\u011bji. Rozli\u0161en\u00ed t\u00e9to metody z\u00e1vis\u00ed na m\u011b\u0159ic\u00edm rozsahu senzoru (maxim\u00e1ln\u00ed zku\u0161ebn\u00ed tlak). Tato metoda umo\u017e\u0148uje typick\u00e9 rozli\u0161en\u00ed 1 Pa.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Test t\u011bsnosti vzduchem<\/h3>\n<div>\n<p>Ka\u017ed\u00fd postup testov\u00e1n\u00ed t\u011bsnosti, p\u0159i kter\u00e9m je zku\u0161ebn\u00edm m\u00e9diem vzduch. Podle metody prokazov\u00e1n\u00ed se hovo\u0159\u00ed o \u201etestu zm\u011bny tlaku\u201c, \u201ebublinkov\u00e9m testu\u201c nebo \u201etestu pr\u016ftoku\u201c.<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Test tlakov\u00fdm ulo\u017een\u00edm<\/h3>\n<div>\n<p>viz Bombing<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Test zm\u011bny tlaku<\/h3>\n<div>\n<p>Test t\u011bsnosti, p\u0159i kter\u00e9m se m\u011b\u0159\u00ed rychlost celkov\u00e9 zm\u011bny tlaku, poklesu nebo n\u00e1r\u016fstu, v testovan\u00e9m objektu.<\/p>\n<p>M\u00edru net\u011bsnosti lze p\u0159\u00edmo vypo\u010d\u00edtat jako proud\u011bn\u00ed pV.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>T\u011bsn\u00e1 komora<\/h3>\n<div>\n<p>P\u0159i testu t\u011bsnosti t\u011bsn\u00e9 opl\u00e1\u0161t\u011bn\u00ed k \u00fapln\u00e9mu pojmut\u00ed testovan\u00e9ho v\u00fdrobku, kter\u00e9 lze pro vytvo\u0159en\u00ed tlakov\u00e9ho rozd\u00edlu p\u0159es st\u011bnu testovan\u00e9ho v\u00fdrobku zat\u00ed\u017eit tlakem nebo evakuovat.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>T\u011bsn\u00e9<\/h3>\n<div>\n<p>Prost\u00e9 net\u011bsnost\u00ed podle dan\u00e9 specifikace.<\/p>\n<p>Nesm\u00ed b\u00fdt specifikovan\u00e1 m\u00edra net\u011bsnosti nula. Po\u017eadovan\u00e1 t\u011bsnost mus\u00ed b\u00fdt vzta\u017een\u00e1 na funkci testovan\u00e9ho objektu.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>V<\/div>\n<ul>\n<li>\n<h3>V\u011btrac\u00ed ventil<\/h3>\n<div>\n<p>Ventil, kter\u00fdm se vyrovn\u00e1v\u00e1 tlak syst\u00e9mu na atmosf\u00e9rick\u00fd tlak.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Visk\u00f3zn\u00ed net\u011bsnost<\/h3>\n<div>\n<p>Net\u011bsnost takov\u00e9 geometrie a za takov\u00fdch tlakov\u00fdch podm\u00ednek, \u017ee je proud\u011bn\u00ed plynu skrz net\u011bsnost visk\u00f3zn\u00ed.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Virtu\u00e1ln\u00ed net\u011bsnost<\/h3>\n<div>\n<p>Zd\u00e1nliv\u00e1 (ve skute\u010dnosti nep\u0159\u00edtomn\u00e1) net\u011bsnost vyvolan\u00e1 pomal\u00fdm odv\u00e1d\u011bn\u00edm sorbovan\u00fdch nebo okluduj\u00edc\u00edch plyn\u016f z povrchu nebo z vnit\u0159ku materi\u00e1lu nebo z \u010d\u00e1ste\u010dn\u011b uzav\u0159en\u00fdch objem\u016f uvnit\u0159 syst\u00e9mu.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Vlastn\u00ed objem<\/h3>\n<div>\n<p>Viz Mrtv\u00fd objem<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Vodiv\u00e1 net\u011bsnost<\/h3>\n<div>\n<p>Net\u011bsnost, kter\u00e1 vznik\u00e1 z jednoho nebo v\u00edce diskr\u00e9tn\u00edch otvor\u016f, v\u010detn\u011b por\u00e9zn\u00edch oblast\u00ed, skrz kter\u00e9 m\u016f\u017ee proudit m\u00e9dium.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Vodivost pr\u016ftoku<\/h3>\n<div>\n<p>(pro proud\u011bn\u00ed plynu skrz veden\u00ed, kus veden\u00ed nebo clonu) (symbol C, U; jednotka m3\/s): Kvocient z pr\u016ftoku pV a rozd\u00edlu tlak\u016f, kter\u00e9 panuj\u00ed na dvou specifikovan\u00fdch pr\u016f\u0159ezech nebo na obou stran\u00e1ch otvoru, p\u0159i\u010dem\u017e se p\u0159edpokl\u00e1d\u00e1 teplotn\u00ed rovnov\u00e1ha v syst\u00e9mu.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<div>Z<\/div>\n<ul>\n<li>\n<h3>Zd\u00e1nliv\u00fd \u00fanik<\/h3>\n<div>\n<p>Viz virtu\u00e1ln\u00ed net\u011bsnost<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Zkou\u0161ka zvonem<\/h3>\n<div>\n<p>Zkou\u0161ka zvonem p\u0159i testu t\u011bsnosti vzduchem<\/p>\n<p>Co se rozum\u00ed pod pojmem zkou\u0161ka zvonem p\u0159i testu t\u011bsnosti vzduchem, je vysv\u011btleno pod postupem testov\u00e1n\u00ed t\u011bsnosti.<\/p>\n<p>Zkou\u0161ka zvonem p\u0159i hled\u00e1n\u00ed \u00faniku zku\u0161ebn\u00edho plynu<br \/>\nIntegr\u00e1ln\u00ed zkou\u0161ka, p\u0159i kter\u00e9 se testovan\u00fd objekt nach\u00e1z\u00ed v m\u011bkk\u00e9m obalu pod atmosf\u00e9rick\u00fdm tlakem.<\/p>\n<p>POZN\u00c1MKA 1: Je-li testovan\u00fd objekt ve vakuu, napln\u00ed se obal zku\u0161ebn\u00edm plynem a detektor net\u011bsnost\u00ed se p\u0159ipoj\u00ed na vnit\u0159n\u00ed objem testovan\u00e9ho objektu.<\/p>\n<p>POZN\u00c1MKA 2: Je-li testovan\u00fd objekt pod tlakem zku\u0161ebn\u00edho plynu, p\u0159ipoj\u00ed se detektor net\u011bsnost\u00ed na obal\/zvon.<\/p>\n<p>Jako detektor net\u011bsnost\u00ed lze pou\u017e\u00edt indik\u00e1tor plynu nebo detektor plynu (He \/ H2).<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Zku\u0161ebn\u00ed p\u0159\u00edpojka<\/h3>\n<div>\n<p>P\u0159\u00edruba na za\u010d\u00e1tku vstupn\u00edho veden\u00ed k napojen\u00ed testovan\u00e9ho objektu na detektor net\u011bsnost\u00ed.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Zku\u0161ebn\u00ed podm\u00ednky<\/h3>\n<div>\n<p>P\u0159i testu t\u011bsnosti panuj\u00edc\u00ed podm\u00ednky teploty prost\u0159ed\u00ed a tlaku, za nich\u017e se test prov\u00e1d\u00ed.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Zku\u0161ebn\u00ed m\u00e9dium<\/h3>\n<div>\n<p>M\u00e9dium (plyn, kapalina), kter\u00e9 lze prok\u00e1zat specifick\u00fdm detektorem pot\u00e9, co pro\u0161lo net\u011bsnost\u00ed, a kter\u00e9 tak ozn\u00e1m\u00ed p\u0159\u00edtomnost net\u011bsnosti.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Zku\u0161ebn\u00ed net\u011bsnost<\/h3>\n<div>\n<p>P\u0159\u00edpravek k nastavov\u00e1n\u00ed detektor\u016f net\u011bsnost\u00ed, kter\u00fd za ur\u010dit\u00fdch podm\u00ednek vytv\u00e1\u0159\u00ed zn\u00e1mou a opakovatelnou rychlost proud\u011bn\u00ed plynu.<\/p>\n<p>[Podle DIN-EN 1330-8]<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Zku\u0161ebn\u00ed net\u011bsnost<\/h3>\n<div>\n<p>Viz tak\u00e9: Kalibr\u00e1tor net\u011bsnosti<\/p>\n<p>Zku\u0161ebn\u00ed net\u011bsnost<\/p>\n<\/div>\n<\/li>\n<li>\n<h3>Zvon<\/h3>\n<div>\n<p>Viz tak\u00e9: T\u011bsn\u00e1 komora<\/p>\n<\/div>\n<\/li>\n<\/ul>\n<h2>Chcete v\u011bd\u011bt je\u0161t\u011b v\u00edce?<\/h2>\n<div>\n<p>Nav\u0161tivte na\u0161i str\u00e1nku k t\u00e9matu test t\u011bsnosti a zjist\u011bte, jak\u00fdmi metodami a jak\u00fdmi plyny testujeme.<\/p>\n<\/div>\n<p>\n    <a href=\"cz\/technologie\/test-tesnosti\/\">Test t\u011bsnosti u ZELTWANGER<\/a>\n<\/p>\n<p><!-- {\"name\":\"Technologien DP Lexikon\",\"type\":\"layout\",\"children\":[{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"xlarge\",\"header_transparent\":\"\",\"animation\":\"\",\"class\":\"highlight-section\"},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"small\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"light\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"h1\",\"title_style\":\"heading-small\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"medium\",\"maxwidth\":\"xlarge\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"center\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"center\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"\n\n<p>Lexikon k testu t\\u011bsnosti<\\\/p>\"}},{\"type\":\"headline\",\"props\":{\"title_element\":\"h2\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"medium\",\"maxwidth\":\"xlarge\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"center\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"center\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"\n\n<p>D\\u016fle\\u017eit\\u00e9 pojmy kr\\u00e1tce vysv\\u011btlen\\u00e9<\\\/p>\"}},{\"type\":\"text\",\"props\":{\"margin\":\"default\",\"column_breakpoint\":\"m\",\"text_style\":\"\",\"text_color\":\"\",\"text_size\":\"\",\"column\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"maxwidth\":\"xxlarge\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"center\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"center\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"\n\n<p>Co je kalibr\\u00e1tor net\\u011bsnosti a co se p\\u0159esn\\u011b rozum\\u00ed pod absolutn\\u00edm tlakem? Kdy je f\\u00e1ze pln\\u011bn\\u00ed v procesu testov\\u00e1n\\u00ed a jak\\u00e9 jsou parametry rychlosti proud\\u011bn\\u00ed plynu?<\\\/p>\\n\n\n<p>V na\\u0161em lexikonu k testu t\\u011bsnosti V\\u00e1m vysv\\u011btl\\u00edme nejd\\u016fle\\u017eit\\u011bj\\u0161\\u00ed pojmy kr\\u00e1tce a v\\u00fdsti\\u017en\\u011b. Hodn\\u011b radosti p\\u0159i objevov\\u00e1n\\u00ed!<\\\/p>\"}}]}]}],\"name\":\"Intro Text blauer Hintergrund\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"default\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"xsmall\",\"header_transparent\":\"\",\"animation\":\"\",\"padding_remove_top\":false,\"class\":\"breadcrumb\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"small\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"breadcrumbs\",\"props\":{\"margin\":\"default\",\"image_svg_color\":\"emphasis\"}}]}]}],\"name\":\"Breadcrumb\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"subnav\",\"props\":{\"subnav_style\":\"divider\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"css\":\"@media screen and (max-width: 767px) {    \\n        .uk-subnav-divider > li::before {\\n        content: \\\"\\\";\\n        height: .9em;\\n        margin-left: 0;\\n        margin-right: 20px;\\n        border-left: 1px solid #e9e9e9;\\n    }\\n}\\n\\n@media screen and (min-width: 768px) {\\n    .el-element .uk-subnav-divider > :nth-child(n+2):not(.uk-first-column)::before {\\n        margin-right: 17px;\\n    }\\n\\n    .el-element .uk-subnav > * {\\n        padding-left: 14px;\\n    }\\n}\\n\"},\"children\":[{\"type\":\"subnav_item\",\"props\":{\"content\":\"A\",\"link\":\"#a\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"B\",\"link\":\"#b\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"C\",\"link\":\"#c\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"\\u010c\",\"link\":\"#ch\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"D\",\"link\":\"#d\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"F\",\"link\":\"#f\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"G\",\"link\":\"#g\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"H\",\"link\":\"#h\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"I\",\"link\":\"#i\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"K\",\"link\":\"#k\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"M\",\"link\":\"#m\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"N\",\"link\":\"#n\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"O\",\"link\":\"#o\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"P\",\"link\":\"#p\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"R\",\"link\":\"#r\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"S\",\"link\":\"#s\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"T\",\"link\":\"#t\"}},{\"type\":\"subnav_item\",\"props\":{\"content\":\"Z\",\"link\":\"#z\"}}]}]}]}]},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"a\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"A\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"content\":\"\n\n<p>(symbol p; jednotka Pa)<\\\/p>\\n\n\n<p>Tlak relativn\\u011b k pr\\u00e1zdn\\u00e9mu prostoru. Absolutn\\u011b pr\\u00e1zdn\\u00fd prostor definuje nulov\\u00fd bod tlaku.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\",\"title\":\"Absolutn\\u00ed tlak\"}},{\"type\":\"accordion_item\",\"props\":{\"content\":\"\n\n<p>Postup testov\\u00e1n\\u00ed t\\u011bsnosti, p\\u0159i kter\\u00e9m se sou\\u010d\\u00e1st um\\u00edst\\u00ed do uzav\\u0159en\\u00e9ho objemu a pak se zat\\u00ed\\u017e\\u00ed zku\\u0161ebn\\u00edm plynem. M\\u011b\\u0159ic\\u00ed p\\u0159\\u00edstroj pak zm\\u011b\\u0159\\u00ed \\u010dasov\\u00fd n\\u00e1r\\u016fst koncentrace v tomto objemu, kter\\u00fd byl vyvol\\u00e1n \\u00fanikem v sou\\u010d\\u00e1sti.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\",\"title\":\"Akumula\\u010dn\\u00ed zkou\\u0161ka\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Atmosf\\u00e9rick\\u00fd tlak\",\"content\":\"\n\n<p>Tlak atmosf\\u00e9ry v pevn\\u00e9m okam\\u017eiku a na pevn\\u00e9m m\\u00edst\\u011b.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"A\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"b\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"B\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Bombing\",\"content\":\"\n\n<p>Test, p\\u0159i kter\\u00e9m jsou zape\\u010det\\u011bn\\u00e9 testovan\\u00e9 objekty podrobeny procesu tlakov\\u00e9ho ulo\\u017een\\u00ed, ne\\u017e se otestuj\\u00ed ve vakuov\\u00e9 komo\\u0159e.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Bubbletest\",\"content\":\"\n\n<p>Viz bublinkov\\u00fd test<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Bublinkov\\u00fd test\",\"content\":\"\n\n<p>Postup testov\\u00e1n\\u00ed t\\u011bsnosti, p\\u0159i kter\\u00e9m lze net\\u011bsnosti testovan\\u00fdch objekt\\u016f stoj\\u00edc\\u00edch pod p\\u0159etlakem nal\\u00e9zt \\u00fapln\\u00fdm pono\\u0159en\\u00edm do zku\\u0161ebn\\u00ed kapaliny (vody) nebo pokryt\\u00edm jejich povrchu povrchov\\u011b aktivn\\u00edm roztokem (p\\u011bniv\\u00fdm prost\\u0159edkem). Tlak v testovan\\u00e9m objektu je p\\u0159itom dostate\\u010dn\\u011b vysok\\u00fd, aby se net\\u011bsnosti uk\\u00e1zaly tvorbou bublinek.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"B\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"c\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"C\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Clonov\\u00e1 net\\u011bsnost\",\"content\":\"\n\n<p>Vodiv\\u00e1 net\\u011bsnost, jej\\u00ed\\u017e pr\\u016fm\\u011br je mnohem v\\u011bt\\u0161\\u00ed ne\\u017e d\\u00e9lka kan\\u00e1lu net\\u011bsnosti.<\\\/p>\\n\n\n<p>POZN\\u00c1MKA: Lze na n\\u011bj pohl\\u00ed\\u017eet jako na otvor ve velmi tenk\\u00e9 st\\u011bn\\u011b.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"C\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"ch\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"\\u010c\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"\\u010cas testov\\u00e1n\\u00ed\",\"content\":\"\n\n<p>\\u010cas testov\\u00e1n\\u00ed odpov\\u00edd\\u00e1 trv\\u00e1n\\u00ed cel\\u00e9ho pr\\u016fb\\u011bhu m\\u011b\\u0159en\\u00ed. Pr\\u016fb\\u011bh m\\u011b\\u0159en\\u00ed se skl\\u00e1d\\u00e1 z f\\u00e1z\\u00ed p\\u0159edb\\u011b\\u017en\\u00e9 pln\\u011bn\\u00ed, pln\\u011bn\\u00ed, vyrovn\\u00e1v\\u00e1n\\u00ed, m\\u011b\\u0159en\\u00ed a odvzdu\\u0161n\\u011bn\\u00ed. \\u010cas testov\\u00e1n\\u00ed je sou\\u010det trv\\u00e1n\\u00ed v\\u0161ech f\\u00e1z\\u00ed. Nelze jej zam\\u011b\\u0148ovat s dobou m\\u011b\\u0159en\\u00ed.<\\\/p>\\n\n\n<p>Viz tak\\u00e9:\\nF\\u00e1ze m\\u011b\\u0159en\\u00ed<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"\\u010cichac\\u00ed sonda\",\"content\":\"\n\n<p>Za\\u0159\\u00edzen\\u00ed, kter\\u00fdm lze zachytit zku\\u0161ebn\\u00ed plyn z oblasti testovan\\u00e9ho objektu a p\\u0159iv\\u00e9st k detektoru net\\u011bsnost\\u00ed p\\u0159i pot\\u0159ebn\\u00e9m n\\u00edzk\\u00e9m tlaku.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"\\u010c\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"d\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"D\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Detektor net\\u011bsnost\\u00ed hlavn\\u00edho proudu\",\"content\":\"\n\n<p>Hmotov\\u011b spektroskopick\\u00fd detektor net\\u011bsnost\\u00ed, u kter\\u00e9ho plyn te\\u010de p\\u0159\\u00edmo ze vstupn\\u00edho veden\\u00ed skrz vysokovakuovou v\\u00fdv\\u011bvu a parci\\u00e1ln\\u00ed tlak zku\\u0161ebn\\u00edho plynu se m\\u011b\\u0159\\u00ed na stran\\u011b vysok\\u00e9ho vakua tohoto \\u010derpadla.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Detektor \\u00faniku helia\",\"content\":\"\n\n<p>Detektor net\\u011bsnost\\u00ed, kter\\u00fd reaguje helium (4He) jako zku\\u0161ebn\\u00ed plyn.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Doba m\\u011b\\u0159en\\u00ed\",\"content\":\"\n\n<p>Viz tak\\u00e9: F\\u00e1ze m\\u011b\\u0159en\\u00ed<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Doba pln\\u011bn\\u00ed\",\"content\":\"\n\n<p>viz F\\u00e1ze pln\\u011bn\\u00ed<\\\/p>\"}}]}]}]}],\"name\":\"D\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"f\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"F\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"F\\u00e1ze m\\u011b\\u0159en\\u00ed\",\"content\":\"\n\n<p>V m\\u011b\\u0159idle t\\u011bsnosti (metoda relativn\\u00edho tlaku nebo diferen\\u010dn\\u00edho tlaku) odpov\\u00edd\\u00e1 f\\u00e1ze m\\u011b\\u0159en\\u00ed \\u010dasov\\u00e9mu intervalu, ve kter\\u00e9m se m\\u011b\\u0159\\u00ed pokles tlaku.<\\\/p>\\n\n\n<p>D\\u00e9lka tohoto intervalu z\\u00e1vis\\u00ed na testovan\\u00e9m v\\u00fdrobku a na mezn\\u00edch hodnot\\u00e1ch:<\\\/p>\\n\n\n<p>\\u010c\\u00edm v\\u011bt\\u0161\\u00ed objem, t\\u00edm v\\u00edce \\u010dasu je pot\\u0159eba na zji\\u0161t\\u011bn\\u00ed rozpoznateln\\u00e9ho poklesu tlaku.<\\\/p>\\n\n\n<p>\\u010c\\u00edm men\\u0161\\u00ed net\\u011bsnost, t\\u00edm v\\u00edce \\u010dasu je pot\\u0159eba na zji\\u0161t\\u011bn\\u00ed rozpoznateln\\u00e9ho poklesu tlaku<\\\/p>\\n\n\n<p>\\u010c\\u00edm vy\\u0161\\u0161\\u00ed po\\u017eadovan\\u00e1 p\\u0159esnost m\\u011b\\u0159en\\u00ed, t\\u00edm v\\u00edce \\u010dasu je pot\\u0159eba k doc\\u00edlen\\u00ed stabiln\\u00edho v\\u00fdsledku.<\\\/p>\\n\n\n<p>V testu t\\u011bsnosti metodou pr\\u016ftoku odpov\\u00edd\\u00e1 tato f\\u00e1ze \\u010dasov\\u00e9mu intervalu, ve kter\\u00e9m se ode\\u010d\\u00edt\\u00e1 pr\\u016ftok, kter\\u00fd p\\u0159\\u00edmo odr\\u00e1\\u017e\\u00ed m\\u00edru net\\u011bsnosti. Trv\\u00e1n\\u00ed f\\u00e1ze je velmi kr\\u00e1tk\\u00e9 a nem\\u00e1 t\\u00e9m\\u011b\\u0159 \\u017e\\u00e1dn\\u00fd vliv na v\\u00fdsledek m\\u011b\\u0159en\\u00ed.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"F\\u00e1ze odvzdu\\u0161n\\u011bn\\u00ed\",\"content\":\"\n\n<p>V m\\u011b\\u0159idle t\\u011bsnosti je testovan\\u00fd v\\u00fdrobek po cel\\u00fd pr\\u016fb\\u011bh m\\u011b\\u0159en\\u00ed zat\\u00ed\\u017een\\u00fd tlakem. Jakmile je f\\u00e1ze m\\u011b\\u0159en\\u00ed dokon\\u010den\\u00e1, lze testovan\\u00fd v\\u00fdrobek odvzdu\\u0161nit. To znamen\\u00e1, \\u017ee se otev\\u0159e odvzdu\\u0161\\u0148ovac\\u00ed ventil a tlak syst\\u00e9mu se vyrovn\\u00e1 s okol\\u00edm. Doba odvzdu\\u0161\\u0148ov\\u00e1n\\u00ed z\\u00e1vis\\u00ed na tlaku a objemu testovan\\u00e9ho v\\u00fdrobku.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"F\\u00e1ze pln\\u011bn\\u00ed\",\"content\":\"\n\n<p>V t\\u00e9to f\\u00e1zi se testovan\\u00fd v\\u00fdrobek pln\\u00ed tlakem, kter\\u00fd odpov\\u00edd\\u00e1 testovac\\u00edmu tlaku. Trv\\u00e1n\\u00ed procesu pln\\u011bn\\u00ed (doba pln\\u011bn\\u00ed) z\\u00e1vis\\u00ed na objemu testovan\\u00e9ho v\\u00fdrobku a hodnot\\u011b tlaku.<\\\/p>\\n\n\n<p>F\\u00e1zi pln\\u011bn\\u00ed m\\u016f\\u017ee p\\u0159edch\\u00e1zet f\\u00e1ze p\\u0159edb\\u011b\\u017en\\u00e9ho pln\\u011bn\\u00ed. Tato p\\u0159\\u00edpravn\\u00e1 f\\u00e1ze slou\\u017e\\u00ed k p\\u0159edpnut\\u00ed testovan\\u00e9ho v\\u00fdrobku, mechanick\\u00e9 stabilizaci a minimalizaci tepeln\\u00fdch efekt\\u016f ve zku\\u0161ebn\\u00edm plynu. Trv\\u00e1n\\u00ed a hodnota tlaku se zji\\u0161\\u0165uj\\u00ed empiricky. Typicky je tlak p\\u0159edb\\u011b\\u017en\\u00e9ho pln\\u011bn\\u00ed o 10-20% vy\\u0161\\u0161\\u00ed ne\\u017e plnic\\u00ed tlak.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"F\\u00e1ze p\\u0159edb\\u011b\\u017en\\u00e9ho pln\\u011bn\\u00ed\",\"content\":\"\n\n<p>F\\u00e1ze p\\u0159edb\\u011b\\u017en\\u00e9ho pln\\u011bn\\u00ed m\\u016f\\u017ee p\\u0159edch\\u00e1zet f\\u00e1zi pln\\u011bn\\u00ed. Tato p\\u0159\\u00edpravn\\u00e1 f\\u00e1ze slou\\u017e\\u00ed k p\\u0159edpnut\\u00ed testovan\\u00e9ho v\\u00fdrobku, mechanick\\u00e9 stabilizaci a minimalizaci tepeln\\u00fdch efekt\\u016f ve zku\\u0161ebn\\u00edm plynu. Trv\\u00e1n\\u00ed a hodnota tlaku se zji\\u0161\\u0165uj\\u00ed empiricky. Typicky je tlak p\\u0159edb\\u011b\\u017en\\u00e9ho pln\\u011bn\\u00ed o 10-20% vy\\u0161\\u0161\\u00ed ne\\u017e plnic\\u00ed tlak.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"F\\u00e1ze vyrovn\\u00e1v\\u00e1n\\u00ed\",\"content\":\"\n\n<p>P\\u0159i testu t\\u011bsnosti metodou zm\\u011bny tlaku poskytuje f\\u00e1ze vyrovn\\u00e1v\\u00e1n\\u00ed syst\\u00e9mu pot\\u0159ebn\\u00fd \\u010das, aby se minimalizovaly ne\\u017e\\u00e1douc\\u00ed p\\u0159\\u00ednosy v\\u016f\\u010di zm\\u011bn\\u011b tlaku, kter\\u00e9 souvisej\\u00ed s \\u00fa\\u010dinnou net\\u011bsnost\\u00ed. Typick\\u00fdmi ru\\u0161iv\\u00fdmi faktory jsou tepeln\\u00e9 efekty podm\\u00edn\\u011bn\\u00e9 nehomogennost\\u00ed teploty v plynu a v testovan\\u00e9m v\\u00fdrobku a fyzik\\u00e1ln\\u00ed efekty podm\\u00edn\\u011bn\\u00e9 odpa\\u0159ov\\u00e1n\\u00edm nebo kondenzac\\u00ed par v testovan\\u00e9m v\\u00fdrobku. Doba f\\u00e1ze vyrovn\\u00e1v\\u00e1n\\u00ed je siln\\u011b z\\u00e1visl\\u00e1 na testovan\\u00e9m v\\u00fdrobku a podm\\u00ednk\\u00e1ch prost\\u0159ed\\u00ed a norm\\u00e1ln\\u011b se zji\\u0161\\u0165uje empiricky.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"F\\u00e1ze zklidn\\u011bn\\u00ed\",\"content\":\"\n\n<p>Viz tak\\u00e9: F\\u00e1ze vyrovn\\u00e1v\\u00e1n\\u00ed<\\\/p>\"}}]}]}]}],\"name\":\"F\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"h\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"H\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Hmotov\\u011b spektrometrick\\u00fd detektor net\\u011bsnost\\u00ed (MSLD)\",\"content\":\"\n\n<p>Detektor net\\u011bsnost\\u00ed, u kter\\u00e9ho je prokazovac\\u00edm prvkem hmotov\\u00fd spektrometr, kter\\u00fd je nastaven\\u00fd tak, aby reagoval pouze na zku\\u0161ebn\\u00ed plyn.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Hmotov\\u00fd spektrometr\",\"content\":\"\n\n<p>P\\u0159\\u00edstroj, kter\\u00fd um\\u00ed odd\\u011blit ionizovan\\u00e9 atomy nebo molekuly podle jejich pom\\u011bru hmotnosti k n\\u00e1boji a zm\\u011b\\u0159it odpov\\u00eddaj\\u00edc\\u00ed iontov\\u00fd proud. V\\u00fdstupn\\u00ed sign\\u00e1l je proporcion\\u00e1ln\\u00ed k parci\\u00e1ln\\u00edmu tlaku ur\\u010dit\\u00e9ho plynu ve sm\\u011bsi.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"H\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"i\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"I\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Ide\\u00e1ln\\u00ed plyn\",\"content\":\"\n\n<p>Jako ide\\u00e1ln\\u00ed plyn se ozna\\u010duje ve fyzice a fyzik\\u00e1ln\\u00ed chemii idealizovan\\u00e1 p\\u0159edstava modelu skute\\u010dn\\u00e9ho plynu, kter\\u00fd p\\u0159esn\\u011b spl\\u0148uje vztah pV=nRT:<br \\\/>P\\u0159itom je:<br \\\/>n = m\\\/M;<br \\\/>p = tlak;<br \\\/>V = objem;<br \\\/>m = hmotnost plynu;<br \\\/>M = mol\\u00e1rn\\u00ed hmotnost;<br \\\/>R = univerz\\u00e1ln\\u00ed plynov\\u00e1 konstanta;<br \\\/>T = absolutn\\u00ed teplota.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Integr\\u00e1ln\\u00ed m\\u00edra net\\u011bsnosti\",\"content\":\"\n\n<p>Sou\\u010det m\\u011br net\\u011bsnosti ze v\\u0161ech net\\u011bsnost\\u00ed v jednom objektu uveden\\u00fd jako pr\\u016ftok pV.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Integr\\u00e1ln\\u00ed net\\u011bsnost\",\"content\":\"\n\n<p>viz<br \\\/>Integr\\u00e1ln\\u00ed m\\u00edra net\\u011bsnosti<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Integr\\u00e1ln\\u00ed test\",\"content\":\"\n\n<p>Test t\\u011bsnosti, kter\\u00fd umo\\u017e\\u0148uje ur\\u010dit integr\\u00e1ln\\u00ed m\\u00edru net\\u011bsnosti sou\\u010d\\u00e1sti. K integr\\u00e1ln\\u00ed testovac\\u00ed metod\\u011b pat\\u0159\\u00ed test zm\\u011bny tlaku, akumula\\u010dn\\u00ed zkou\\u0161ka a vakuov\\u00e1 zkou\\u0161ka.<\\\/p>\"}}]}]}]}],\"name\":\"I\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"k\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"K\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Kalibrace\",\"content\":\"\n\n<p>Kalibrace obecn\\u011b a p\\u0159i testu t\\u011bsnosti vzduchem<\\\/p>\\n\n\n<p>Ozna\\u010duje m\\u011b\\u0159en\\u00ed a dokumentaci odchylky testu m\\u011b\\u0159ic\\u00edho p\\u0159\\u00edstroje oproti obnoviteln\\u00e9mu norm\\u00e1lu.<\\\/p>\\n\n\n<p>Kalibrace hmotov\\u011b spektrometrick\\u00e9ho detektoru net\\u011bsnost\\u00ed:<\\\/p>\\n\n\n<p>Nastaven\\u00ed citlivosti nebo kalibra\\u010dn\\u00edho faktoru detektoru net\\u011bsnost\\u00ed tak, aby byla zm\\u011bna indikace rovna m\\u00ed\\u0159e net\\u011bsnosti zku\\u0161ebn\\u00ed net\\u011bsnosti.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Kalibr\\u00e1tor net\\u011bsnosti\",\"content\":\"\n\n<p>Pod pojmem kalibr\\u00e1tor net\\u011bsnosti se rozum\\u00ed p\\u0159\\u00edstroj, u kter\\u00e9ho lze nastavit m\\u00edsu net\\u011bsnosti v z\\u00e1vislosti na tlaku p\\u0159esn\\u00fdm jehlov\\u00fdm ventilem.<\\\/p>\\n\n\n<p>P\\u0159\\u00edstroj se pou\\u017e\\u00edv\\u00e1 podobn\\u011b jako zku\\u0161ebn\\u00ed net\\u011bsnost pro kontrolu p\\u0159\\u00edstroj\\u016f na testov\\u00e1n\\u00ed \\u00fanik\\u016f \\\/ p\\u0159\\u00edstroj\\u016f na testov\\u00e1n\\u00ed t\\u011bsnosti.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Kapil\\u00e1rn\\u00ed net\\u011bsnost\",\"content\":\"\n\n<p>Vodiv\\u00e1 net\\u011bsnost, p\\u0159i kter\\u00e9 je pr\\u016fm\\u011br v pom\\u011bru k d\\u00e9lce mal\\u00fd.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Komorov\\u00e1 zkou\\u0161ka\",\"content\":\"\n\n<p>T\\u00edm m\\u016f\\u017ee b\\u00fdt m\\u00edn\\u011bna jak zkou\\u0161ka zvonem, tak i akumula\\u010dn\\u00ed zkou\\u0161ka.<\\\/p>\\n\n\n<p>viz Zkou\\u0161ka zvonem<\\\/p>\\n\n\n<p>viz Akumula\\u010dn\\u00ed zkou\\u0161ka<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Koncentrace\",\"content\":\"\n\n<p>(symbol nB)<\\\/p>\\n\n\n<p>Pom\\u011br po\\u010dtu atom\\u016f nebo molekul ur\\u010dit\\u00e9 slo\\u017eky k celkov\\u00e9mu po\\u010dtu atom\\u016f nebo molekul ve sm\\u011bsi. U plyn\\u016f je tento pom\\u011br ekvivalentn\\u00ed k objemov\\u00e9mu pod\\u00edlu (symbol c).<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Kontrola poklesu tlaku\",\"content\":\"\n\n<p>Viz tak\\u00e9: <a href=\\\"#t\\\">Test zm\\u011bny tlaku<\\\/a><\\\/p>\"}}]}]}]}],\"name\":\"K\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"m\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"M\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Metoda poklesu tlaku\",\"content\":\"\n\n<p>Test t\\u011bsnosti, p\\u0159i kter\\u00e9m se m\\u011b\\u0159\\u00ed rychlost celkov\\u00e9ho poklesu tlaku v testovan\\u00e9m objektu. M\\u00edru net\\u011bsnosti lze p\\u0159\\u00edmo vypo\\u010d\\u00edtat jako proud\\u011bn\\u00ed pV.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Metoda testov\\u00e1n\\u00ed \\u010dich\\u00e1n\\u00edm\",\"content\":\"\n\n<p>Postup testov\\u00e1n\\u00ed t\\u011bsnosti, p\\u0159i kter\\u00e9m je testovan\\u00fd objekt napln\\u011bn\\u00fd zku\\u0161ebn\\u00edm plynem pod tlakem. Zku\\u0161ebn\\u00ed plyn, kter\\u00fd unik\\u00e1 skrz net\\u011bsnosti, se prokazuje \\u010dichac\\u00ed sondou, bu\\u010f p\\u0159\\u00edmo nebo nahromad\\u011bn\\u00edm v komo\\u0159e nebo obalu.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Metoda vakuov\\u00e9ho testov\\u00e1n\\u00ed\",\"content\":\"\n\n<p>Postup testov\\u00e1n\\u00ed t\\u011bsnosti, p\\u0159i kter\\u00e9m je jedna strana testovan\\u00e9ho objektu evakuovan\\u00e1, na druh\\u00e9 stran\\u011b je p\\u0159iveden\\u00fd zku\\u0161ebn\\u00ed plyn a pak se prok\\u00e1\\u017ee sv\\u00fdm vstupem do vakua.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Mez prokazatelnosti testu t\\u011bsnosti\",\"content\":\"\n\n<p>Viz Nejmen\\u0161\\u00ed prokazateln\\u00e1 m\\u00edra net\\u011bsnosti<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"M\\u011b\\u0159i\\u010d absolutn\\u00edho tlaku\",\"content\":\"\n\n<p>M\\u011b\\u0159ic\\u00ed p\\u0159\\u00edstroj, kter\\u00fd m\\u011b\\u0159\\u00ed absolutn\\u00ed tlak.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"M\\u00edra net\\u011bsnosti\",\"content\":\"\n\n<p>Pr\\u016ftok pV ur\\u010dit\\u00e9ho m\\u00e9dia, kter\\u00e9 za stanoven\\u00fdch podm\\u00ednek proud\\u00ed skrz net\\u011bsnost.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"M\\u00edra net\\u011bsnosti\",\"content\":\"\n\n<p>Viz M\\u00edra net\\u011bsnosti<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Molekul\\u00e1rn\\u00ed net\\u011bsnost\",\"content\":\"\n\n<p>Net\\u011bsnost takov\\u00e9 geometrie a za takov\\u00fdch tlakov\\u00fdch podm\\u00ednek, \\u017ee se prot\\u00e9kaj\\u00edc\\u00ed plyn \\u0159\\u00edd\\u00ed z\\u00e1kony molekul\\u00e1rn\\u00edho proud\\u011bn\\u00ed.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Mrtv\\u00fd objem\",\"content\":\"\n\n<p>Objem syst\\u00e9mu testov\\u00e1n\\u00ed t\\u011bsnosti, kter\\u00fd se p\\u0159i\\u010d\\u00edt\\u00e1 k objemu testovan\\u00e9ho objektu.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"M\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"n\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"N\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Nejmen\\u0161\\u00ed prokazateln\\u00e1 m\\u00edra net\\u011bsnosti\",\"content\":\"\n\n<p>Nejmen\\u0161\\u00ed m\\u00edra net\\u011bsnosti, kterou m\\u016f\\u017ee p\\u0159\\u00edstroj, metoda, syst\\u00e9m za zku\\u0161ebn\\u00edch podm\\u00ednek prok\\u00e1zat.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Net\\u011bsnost\",\"content\":\"\n\n<p>V nedestruktivn\\u00ed technice zkou\\u0161en\\u00ed otvor, por\\u00e9zn\\u00ed oblast, oblast propou\\u0161t\\u011bj\\u00edc\\u00ed plyn nebo jin\\u00e1 struktura ve st\\u011bn\\u011b testovan\\u00e9ho objektu, skrz kter\\u00e9 m\\u016f\\u017ee na z\\u00e1klad\\u011b rozd\\u00edlu tlak\\u016f nebo koncentrac\\u00ed pronikat plyn z jedn\\u00e9 strany st\\u011bny na druhou.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\\n\n\n<p>Viz: M\\u00edra net\\u011bsnosti<\\\/p>\\n\n\n<p>Pr\\u016ftok pV<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Norm\\u00e1ln\\u00ed m\\u00edra net\\u011bsnosti\",\"content\":\"\n\n<p>M\\u00edra net\\u011bsnosti, kter\\u00e1 se definuje p\\u0159es objem, kter\\u00fd zauj\\u00edm\\u00e1 z net\\u011bsnosti unikaj\\u00edc\\u00ed mno\\u017estv\\u00ed plynu p\\u0159i norm\\u00e1ln\\u00edm tlaku a teplot\\u011b (0\\u00b0 C a 1013 mbar). \\u00dadaj norm\\u00e1ln\\u00edch m\\u011br net\\u011bsnosti se v\\u011bt\\u0161inou pou\\u017e\\u00edv\\u00e1, aby bylo mo\\u017en\\u00e9 porovnat v\\u00fdsledky, kter\\u00e9 byly nam\\u011b\\u0159eny p\\u0159i r\\u016fzn\\u00fdch podm\\u00ednk\\u00e1ch prost\\u0159ed\\u00ed.V<\\\/p>\"}}]}]}]}],\"name\":\"N\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"o\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"O\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Odezva\",\"content\":\"\n\n<p>\\u010cas, po kter\\u00fd trv\\u00e1, ne\\u017e se zm\\u011b\\u0159\\u00ed ur\\u010dit\\u00e9 procento v\\u00fdstupn\\u00edho sign\\u00e1lu ve vyhled\\u00e1va\\u010di \\u00faniku zku\\u0161ebn\\u00edho plynu. V\\u00fdstupn\\u00ed sign\\u00e1l se zm\\u011b\\u0159\\u00ed, jakmile se nastav\\u00ed rovnov\\u00e1\\u017en\\u00fd tlak mezi objemem pln\\u00edc\\u00edm se pomalu zku\\u0161ebn\\u00edm plynem a vyhled\\u00e1va\\u010dem \\u00faniku zku\\u0161ebn\\u00edho plynu.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"O\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"p\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"P\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Parci\\u00e1ln\\u00ed tlak\",\"content\":\"\n\n<p>(symboly: pA, pB)<\\\/p>\\n\n\n<p>Tlak, kter\\u00fd by byl vyvinut plynem nebo parn\\u00ed slo\\u017ekou sm\\u011bsi, pokud by byla v n\\u00e1dob\\u011b p\\u0159\\u00edtomna sama.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Pln\\u011bn\\u00ed\",\"content\":\"\n\n<p>viz F\\u00e1ze pln\\u011bn\\u00ed<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Plnic\\u00ed tlak\",\"content\":\"\n\n<p>Tlak, p\\u0159i kter\\u00e9m se prov\\u00e1d\\u00ed m\\u011b\\u0159en\\u00ed. Typicky se uv\\u00e1d\\u00ed jako relativn\\u00ed tlak<\\\/p>\\n\n\n<p>viz Relativn\\u00ed tlak<\\\/p>\\n\n\n<p>viz F\\u00e1ze pln\\u011bn\\u00ed<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Propustnost plynu\",\"content\":\"\n\n<p>Vlastnost nepor\\u00e9zn\\u00edho materi\\u00e1lu propou\\u0161t\\u011bt plyn za \\u00fa\\u010dinku rozd\\u00edlu parci\\u00e1ln\\u00edho tlaku v procesu rozpou\\u0161t\\u011bn\\u00ed\\\/dif\\u00faze.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Protiproud\\u00fd detektor net\\u011bsnost\\u00ed\",\"content\":\"\n\n<p>Hmotov\\u011b spektroskopick\\u00fd detektor net\\u011bsnost\\u00ed, ve kter\\u00e9m zku\\u0161ebn\\u00ed plyn proud\\u00ed skrz veden\\u00ed p\\u0159edvakua do v\\u00fdstupu vysokovakuov\\u00e9 v\\u00fdv\\u011bvy a parci\\u00e1ln\\u00ed tlak zku\\u0161ebn\\u00edho plynu se m\\u011b\\u0159\\u00ed na stran\\u011b vysok\\u00e9ho vakua tohoto \\u010derpadla.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Pozad\\u00ed zku\\u0161ebn\\u00edho plynu\",\"content\":\"\n\n<p>Sign\\u00e1l pozad\\u00ed, kter\\u00fd poch\\u00e1z\\u00ed od zku\\u0161ebn\\u00edho plynu ze syst\\u00e9mu a ne z vlastn\\u00edho \\u00faniku. Sign\\u00e1l pozad\\u00ed vych\\u00e1z\\u00ed v neprozkouman\\u00e9m okoln\\u00edm vzduchu z koncentrace zku\\u0161ebn\\u00edho plynu p\\u0159\\u00edtomn\\u00e9 ve vzduchu. Pro helium je to 5 ppm a pro vod\\u00edk 0,5 ppm. Parci\\u00e1ln\\u00ed tlak odpov\\u00eddaj\\u00edc\\u00ed t\\u00e9to koncentraci vych\\u00e1z\\u00ed z produktu z absolutn\\u00edho tlaku a koncentrace.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"P\\u0159etlak\",\"content\":\"\n\n<p>Tlak, kter\\u00fd je zobrazovan\\u00fd m\\u011b\\u0159i\\u010dem tlaku, kter\\u00fd m\\u011b\\u0159\\u00ed relativn\\u011b k atmosf\\u00e9rick\\u00e9mu tlaku.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\\n\n\n<p>Viz tak\\u00e9: Relativn\\u00ed tlak<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Propustnost plynu\",\"content\":\"\n\n<p>Vlastnost nepor\\u00e9zn\\u00edho materi\\u00e1lu propou\\u0161t\\u011bt plyn za \\u00fa\\u010dinku rozd\\u00edlu parci\\u00e1ln\\u00edho tlaku v procesu rozpou\\u0161t\\u011bn\\u00ed\\\/dif\\u00faze.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Pr\\u016ftok\",\"content\":\"\n\n<p>Viz tak\\u00e9: Pr\\u016ftok pV<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Pr\\u016ftok PV\",\"content\":\"\n\n<p>(symbol qG; jednotka Pa\\u00b7m3\\\/s)<\\\/p>\\n\n\n<p>Rychlost, kterou n\\u011bjak\\u00fd objem plynu p\\u0159i stanoven\\u00e9m tlaku projde dan\\u00fdm pr\\u016f\\u0159ezem syst\\u00e9mu. POZN\\u00c1MKA: Pou\\u017e\\u00edv\\u00e1-li se pr\\u016ftok pV, jak je v testu t\\u011bsnosti obvykl\\u00e9, k \\u00fadaji rychlosti proud\\u011bn\\u00ed plynu, uv\\u00e1d\\u011bj\\u00ed se nav\\u00edc teplota a mol\\u00e1rn\\u00ed hmotnost nebo hustota, tak\\u017ee je mo\\u017en\\u00e9 rychlost proud\\u011bn\\u00ed plynu vypo\\u010d\\u00edtat s pomoc\\u00ed stavov\\u00e9 rovnice ide\\u00e1ln\\u00edho plynu.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"P\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"r\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"R\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Referen\\u010dn\\u00ed net\\u011bsnost\",\"content\":\"\n\n<p>Viz tak\\u00e9:\\nKalibr\\u00e1tor net\\u011bsnosti<\\\/p>\\n\n\n<p>Zku\\u0161ebn\\u00ed net\\u011bsnost<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Relativn\\u00ed tlak\",\"content\":\"\n\n<p>Tlak, kter\\u00fd se nam\\u011b\\u0159\\u00ed relativn\\u011b ke zn\\u00e1m\\u00e9mu referen\\u010dn\\u00edmu tlaku (typicky atmosf\\u00e9rick\\u00fd tlak).<\\\/p>\\n\n\n<p>Viz tak\\u00e9: P\\u0159etlak<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Rychlost proud\\u011bn\\u00ed plynu\",\"content\":\"\n\n<p>(Hmotnost: Symbol qM; jednotka kg\\\/s<\\\/p>\\n\n\n<p>\\u010c\\u00e1stice: Symbol qN; jednotka s\\\/1<\\\/p>\\n\n\n<p>Mol\\u00e1rn\\u011b: Symbol qv; jednotka mol\\\/s)<\\\/p>\\n\n\n<p>Mno\\u017estv\\u00ed plynu za \\u010das, kter\\u00e9 prote\\u010de pevn\\u00fdm pr\\u016f\\u0159ezem syst\\u00e9mu. Rychlost proud\\u011bn\\u00ed se uv\\u00e1d\\u00ed jako po\\u010det mol\\u016f, hmotnost nebo po\\u010det \\u010d\\u00e1stic, kter\\u00e9 se p\\u0159em\\u00edst\\u00ed za \\u010dasovou jednotku.<\\\/p>\\n\n\n<p>Rychlost proud\\u011bn\\u00ed se vyjad\\u0159uje v molech za sekundu, kilogram za sekundu nebo 1\\\/sekunda (u \\u010d\\u00e1stic).<\\\/p>\\n\n\n<p>Pro plyny je rychlost objemov\\u00e9ho proudu (objem: Symbol qV; jednotka m\\u00b3\\\/s) pouze za stanoven\\u00fdch podm\\u00ednek m\\u00edra pro mno\\u017estv\\u00ed.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"R\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"s\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"S\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Standardn\\u00ed (zku\\u0161ebn\\u00ed) net\\u011bsnost\",\"content\":\"\n\n<p>Zku\\u0161ebn\\u00ed net\\u011bsnost, jej\\u00ed\\u017e m\\u00edru net\\u011bsnosti lze p\\u0159iv\\u00e9st zp\\u00e1tky na z\\u00e1kladn\\u00ed standard.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"S\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"t\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"T\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Test pr\\u016fniku kapaliny\",\"content\":\"\n\n<p>Postup testov\\u00e1n\\u00ed t\\u011bsnosti, p\\u0159i kter\\u00e9m kapaln\\u00e9 barvivo nebo fluorescen\\u010dn\\u00ed olej v d\\u016fsledku tlakov\\u00e9ho rozd\\u00edlu pronik\\u00e1 net\\u011bsnost\\u00ed ve st\\u011bn\\u011b testovan\\u00e9ho objektu a pak se na druh\\u00e9 stran\\u011b prok\\u00e1\\u017ee vizu\\u00e1ln\\u00ed kontrolou.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Test t\\u011bsnosti\",\"content\":\"\n\n<p>Rovn\\u011b\\u017e se naz\\u00fdv\\u00e1 zkou\\u0161ka t\\u011bsnosti, test \\u00faniku, zkou\\u0161ka net\\u011bsnosti nebo zkou\\u0161ka \\u00faniku)<\\\/p>\\n\n\n<p>Test t\\u011bsnosti je nedestruktivn\\u00ed metoda testov\\u00e1n\\u00ed, kterou se zji\\u0161\\u0165uje proud plynu nebo kapaliny skrz net\\u011bsnosti v testovan\\u00e9m objektu, a zji\\u0161t\\u011bn\\u00e1 hodnota p\\u0159epo\\u010d\\u00edtan\\u00e1 na skute\\u010dnou m\\u00edru net\\u011bsnosti za provozn\\u00edch podm\\u00ednek se porovn\\u00e1 s maxim\\u00e1ln\\u011b p\\u0159\\u00edpustnou m\\u00edrou net\\u011bsnosti.<\\\/p>\\n\n\n<p>Test t\\u011bsnosti je v\\u017edy srovn\\u00e1vac\\u00ed m\\u011b\\u0159en\\u00ed.<\\\/p>\\n\n\n<p>Viz tak\\u00e9:<br \\\/>T\\u011bsn\\u00e9<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Test t\\u011bsnosti - metoda absolutn\\u00edho tlaku\",\"content\":\"\n\n<p>Viz tak\\u00e9:<br \\\/>Test t\\u011bsnosti: Metoda relativn\\u00edho tlaku<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Test t\\u011bsnosti: Metoda diferen\\u010dn\\u00edho tlaku\",\"content\":\"\n\n<p>Metoda diferen\\u010dn\\u00edho tlaku (metoda DD) je vylep\\u0161en\\u00ed metody relativn\\u00edho tlaku. P\\u0159i tom se testovan\\u00fd v\\u00fdrobek a nav\\u00edc referen\\u010dn\\u00ed objem napln\\u00ed ve f\\u00e1zi pln\\u011bn\\u00ed stla\\u010den\\u00fdm vzduchem. Mezi testovan\\u00fdm v\\u00fdrobkem a referen\\u010dn\\u00edm objemem je p\\u0159ipojen\\u00fd dodate\\u010dn\\u00fd senzor diferen\\u010dn\\u00edho tlaku. Pot\\u00e9, co je syst\\u00e9m odpojen od tlakov\\u00e9ho nap\\u00e1jen\\u00ed a je vyrovnan\\u00fd, se zjist\\u00ed tlakov\\u00fd rozd\\u00edl mezi testovan\\u00fdm v\\u00fdrobkem a referen\\u010dn\\u00edm objemem za ur\\u010dit\\u00fd \\u010das. Tato hodnota odpov\\u00edd\\u00e1 zm\\u011bn\\u011b tlaku v testovan\\u00e9m v\\u00fdrobku a z t\\u00e9to hodnoty lze vypo\\u010d\\u00edtat m\\u00edru net\\u011bsnosti. Proto\\u017ee je tlakov\\u00fd rozd\\u00edl mezi testovan\\u00fdm v\\u00fdrobkem a referen\\u010dn\\u00edm objemem nez\\u00e1visle na zku\\u0161ebn\\u00edm tlaku velmi mal\\u00fd, m\\u016f\\u017ee b\\u00fdt tlakov\\u00fd rozsah senzoru diferen\\u010dn\\u00edho tlaku o mnoho men\\u0161\\u00ed ne\\u017e zku\\u0161ebn\\u00ed tlak. To umo\\u017e\\u0148uje typick\\u00e9 rozli\\u0161en\\u00ed 0,1 Pa a ve zvl\\u00e1\\u0161tn\\u00edch p\\u0159\\u00edpadech i men\\u0161\\u00ed.<\\\/p>\\n\n\n<p>Metoda diferen\\u010dn\\u00edho tlaku se pou\\u017e\\u00edv\\u00e1, kdy\\u017e je p\\u0159i vy\\u0161\\u0161\\u00edch tlac\\u00edch po\\u017eadov\\u00e1no vysok\\u00e9 rozli\\u0161en\\u00ed. Technick\\u00e9 uspo\\u0159\\u00e1d\\u00e1n\\u00ed je n\\u00e1ro\\u010dn\\u011bj\\u0161\\u00ed ne\\u017e p\\u0159i metod\\u011b relativn\\u00edho tlaku.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Test t\\u011bsnosti: Metoda p\\u0159\\u00edm\\u00e9ho pr\\u016ftoku\",\"content\":\"\n\n<p>V metod\\u011b p\\u0159\\u00edm\\u00e9ho pr\\u016ftoku (metoda DF) se testovan\\u00fd v\\u00fdrobek p\\u0159\\u00edmo p\\u0159es senzor hmotnostn\\u00edho pr\\u016ftoku zat\\u00ed\\u017e\\u00ed tlakem. Proud plynu se m\\u011b\\u0159\\u00ed p\\u0159\\u00edmo skrz net\\u011bsnost.<\\\/p>\\n\n\n<p>Metoda je velmi rychl\\u00e1 a zvl\\u00e1\\u0161t\\u011b vhodn\\u00e1 pro velk\\u00e9 m\\u00edry net\\u011bsnosti.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Test t\\u011bsnosti: Metoda referen\\u010dn\\u00edho pr\\u016ftoku\",\"content\":\"\n\n<p>Metoda referen\\u010dn\\u00edho pr\\u016ftoku (metoda MF) je variantou metody diferen\\u010dn\\u00edho tlaku, kter\\u00e1 se zvl\\u00e1\\u0161t\\u011b hod\\u00ed pro velk\\u00e9 objemy. Je-li testovan\\u00fd v\\u00fdrobek velmi velk\\u00fd, je p\\u0159i mal\\u00fdch \\u00fanic\\u00edch pot\\u0159ebn\\u00e1 velmi dlouh\\u00e1 doba m\\u011b\\u0159en\\u00ed, aby se vytvo\\u0159il znateln\\u00fd pokles tlaku. Senzorem hmotnostn\\u00edho pr\\u016ftoku (typicky kalorimetrick\\u00fd senzor) lze net\\u011bsnost m\\u011b\\u0159it p\\u0159\\u00edmo bez \\u010dek\\u00e1n\\u00ed, ne\\u017e dojde k m\\u011b\\u0159iteln\\u00e9 zm\\u011bn\\u011b tlaku. Uspo\\u0159\\u00e1d\\u00e1n\\u00ed je jako u metody diferen\\u010dn\\u00edho tlaku, av\\u0161ak senzor hmotnostn\\u00edho pr\\u016ftoku nahrad\\u00ed senzor diferen\\u010dn\\u00edho tlaku. Jakmile je testovan\\u00fd v\\u00fdrobek a referen\\u010dn\\u00ed objem napln\\u011bn\\u00fd, aktivuje se senzor hmotnostn\\u00edho pr\\u016ftoku (obtokov\\u00fd ventil). Net\\u011bsnost v testovan\\u00e9m v\\u00fdrobku zp\\u016fsob\\u00ed kompenza\\u010dn\\u00ed proud\\u011bn\\u00ed mezi referen\\u010dn\\u00edm objemem a testovan\\u00fdm v\\u00fdrobkem. Toto proud\\u011bn\\u00ed je ihned zji\\u0161t\\u011bno senzorem. Nam\\u011b\\u0159en\\u00fd hmotnostn\\u00ed pr\\u016ftok neodpov\\u00edd\\u00e1 p\\u0159esn\\u011b hodnot\\u011b net\\u011bsnosti na testovan\\u00e9m v\\u00fdrobku, n\\u00fdbr\\u017e je z\\u00e1visl\\u00fd na pom\\u011bru mezi objemem testovan\\u00e9ho v\\u00fdrobku a referen\\u010dn\\u00edm objemem.<\\\/p>\\n\n\n<p>Rozli\\u0161en\\u00ed je ur\\u010deno citlivost\\u00ed senzoru hmotnostn\\u00edho pr\\u016ftoku.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Test t\\u011bsnosti: Metoda relativn\\u00edho tlaku\",\"content\":\"\n\n<p>Metoda relativn\\u00edho tlaku (metoda RD) je z\\u00e1kladem v\\u0161ech testov\\u00e1n\\u00ed zm\\u011bny tlaku. Dovoluje kompaktn\\u00ed uspo\\u0159\\u00e1d\\u00e1n\\u00ed a vyzna\\u010duje se vysokou provozn\\u00ed bezpe\\u010dnost\\u00ed a rovn\\u011b\\u017e velk\\u00fdm m\\u011b\\u0159ic\\u00edm rozsahem. P\\u0159i tom se testovan\\u00fd v\\u00fdrobek zat\\u00ed\\u017e\\u00ed tlakem, pot\\u00e9 se ventilem odd\\u011bl\\u00ed od zdroje vzduchu a zji\\u0161\\u0165uje se zm\\u011bna tlaku za ur\\u010ditou dobu. Jeden jedin\\u00fd senzor relativn\\u00edho tlaku slou\\u017e\\u00ed jako m\\u011b\\u0159idlo zm\\u011bny tlaku a zku\\u0161ebn\\u00edho tlaku. M\\u011b\\u0159ic\\u00ed rozsah senzoru odpov\\u00edd\\u00e1 maxim\\u00e1ln\\u00edmu zku\\u0161ebn\\u00edmu tlaku. Zm\\u011bna tlaku z\\u00e1vis\\u00ed na zku\\u0161ebn\\u00edm objemu a zku\\u0161ebn\\u00edm tlaku. S ub\\u00fdvaj\\u00edc\\u00edm zku\\u0161ebn\\u00edm objemem se zm\\u011bna tlaku projevuje siln\\u011bji. Rozli\\u0161en\\u00ed t\\u00e9to metody z\\u00e1vis\\u00ed na m\\u011b\\u0159ic\\u00edm rozsahu senzoru (maxim\\u00e1ln\\u00ed zku\\u0161ebn\\u00ed tlak). Tato metoda umo\\u017e\\u0148uje typick\\u00e9 rozli\\u0161en\\u00ed 1 Pa.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Test t\\u011bsnosti vzduchem\",\"content\":\"\n\n<p>Ka\\u017ed\\u00fd postup testov\\u00e1n\\u00ed t\\u011bsnosti, p\\u0159i kter\\u00e9m je zku\\u0161ebn\\u00edm m\\u00e9diem vzduch. Podle metody prokazov\\u00e1n\\u00ed se hovo\\u0159\\u00ed o \\u201etestu zm\\u011bny tlaku\\u201c, \\u201ebublinkov\\u00e9m testu\\u201c nebo \\u201etestu pr\\u016ftoku\\u201c.<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Test tlakov\\u00fdm ulo\\u017een\\u00edm\",\"content\":\"\n\n<p>viz Bombing<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Test zm\\u011bny tlaku\",\"content\":\"\n\n<p>Test t\\u011bsnosti, p\\u0159i kter\\u00e9m se m\\u011b\\u0159\\u00ed rychlost celkov\\u00e9 zm\\u011bny tlaku, poklesu nebo n\\u00e1r\\u016fstu, v testovan\\u00e9m objektu.<\\\/p>\\n\n\n<p>M\\u00edru net\\u011bsnosti lze p\\u0159\\u00edmo vypo\\u010d\\u00edtat jako proud\\u011bn\\u00ed pV.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"T\\u011bsn\\u00e1 komora\",\"content\":\"\n\n<p>P\\u0159i testu t\\u011bsnosti t\\u011bsn\\u00e9 opl\\u00e1\\u0161t\\u011bn\\u00ed k \\u00fapln\\u00e9mu pojmut\\u00ed testovan\\u00e9ho v\\u00fdrobku, kter\\u00e9 lze pro vytvo\\u0159en\\u00ed tlakov\\u00e9ho rozd\\u00edlu p\\u0159es st\\u011bnu testovan\\u00e9ho v\\u00fdrobku zat\\u00ed\\u017eit tlakem nebo evakuovat.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"T\\u011bsn\\u00e9\",\"content\":\"\n\n<p>Prost\\u00e9 net\\u011bsnost\\u00ed podle dan\\u00e9 specifikace.<\\\/p>\\n\n\n<p>Nesm\\u00ed b\\u00fdt specifikovan\\u00e1 m\\u00edra net\\u011bsnosti nula. Po\\u017eadovan\\u00e1 t\\u011bsnost mus\\u00ed b\\u00fdt vzta\\u017een\\u00e1 na funkci testovan\\u00e9ho objektu.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"t\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"v\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"V\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"V\\u011btrac\\u00ed ventil\",\"content\":\"\n\n<p>Ventil, kter\\u00fdm se vyrovn\\u00e1v\\u00e1 tlak syst\\u00e9mu na atmosf\\u00e9rick\\u00fd tlak.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Visk\\u00f3zn\\u00ed net\\u011bsnost\",\"content\":\"\n\n<p>Net\\u011bsnost takov\\u00e9 geometrie a za takov\\u00fdch tlakov\\u00fdch podm\\u00ednek, \\u017ee je proud\\u011bn\\u00ed plynu skrz net\\u011bsnost visk\\u00f3zn\\u00ed.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Virtu\\u00e1ln\\u00ed net\\u011bsnost\",\"content\":\"\n\n<p>Zd\\u00e1nliv\\u00e1 (ve skute\\u010dnosti nep\\u0159\\u00edtomn\\u00e1) net\\u011bsnost vyvolan\\u00e1 pomal\\u00fdm odv\\u00e1d\\u011bn\\u00edm sorbovan\\u00fdch nebo okluduj\\u00edc\\u00edch plyn\\u016f z povrchu nebo z vnit\\u0159ku materi\\u00e1lu nebo z \\u010d\\u00e1ste\\u010dn\\u011b uzav\\u0159en\\u00fdch objem\\u016f uvnit\\u0159 syst\\u00e9mu.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Vlastn\\u00ed objem\",\"content\":\"\n\n<p>Viz Mrtv\\u00fd objem<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Vodiv\\u00e1 net\\u011bsnost\",\"content\":\"\n\n<p>Net\\u011bsnost, kter\\u00e1 vznik\\u00e1 z jednoho nebo v\\u00edce diskr\\u00e9tn\\u00edch otvor\\u016f, v\\u010detn\\u011b por\\u00e9zn\\u00edch oblast\\u00ed, skrz kter\\u00e9 m\\u016f\\u017ee proudit m\\u00e9dium.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Vodivost pr\\u016ftoku\",\"content\":\"\n\n<p>(pro proud\\u011bn\\u00ed plynu skrz veden\\u00ed, kus veden\\u00ed nebo clonu) (symbol C, U; jednotka m3\\\/s): Kvocient z pr\\u016ftoku pV a rozd\\u00edlu tlak\\u016f, kter\\u00e9 panuj\\u00ed na dvou specifikovan\\u00fdch pr\\u016f\\u0159ezech nebo na obou stran\\u00e1ch otvoru, p\\u0159i\\u010dem\\u017e se p\\u0159edpokl\\u00e1d\\u00e1 teplotn\\u00ed rovnov\\u00e1ha v syst\\u00e9mu.<\\\/p>\\n\n\n<p>[Podle DIN-EN 1330-8]<\\\/p>\"}}]}]}]}],\"name\":\"v\"},{\"type\":\"section\",\"props\":{\"style\":\"default\",\"width\":\"small\",\"vertical_align\":\"middle\",\"title_position\":\"top-left\",\"title_rotation\":\"left\",\"title_breakpoint\":\"xl\",\"image_position\":\"center-center\",\"text_color\":\"\",\"width_expand\":\"\",\"height\":\"\",\"padding\":\"\",\"header_transparent\":\"\",\"animation\":\"\",\"id\":\"z\",\"padding_remove_bottom\":true},\"children\":[{\"type\":\"row\",\"props\":{\"layout\":\"1-1\",\"breakpoint\":\"m\",\"fixed_width\":\"large\",\"column_gap\":\"\",\"row_gap\":\"\",\"width\":\"\",\"width_expand\":\"\",\"height\":\"\",\"margin\":\"\"},\"children\":[{\"type\":\"column\",\"props\":{\"image_position\":\"center-center\",\"media_overlay_gradient\":\"\",\"vertical_align\":\"\",\"style\":\"\",\"text_color\":\"\",\"padding\":\"\"},\"children\":[{\"type\":\"headline\",\"props\":{\"title_element\":\"div\",\"title_style\":\"heading-large\",\"title_decoration\":\"\",\"title_font_family\":\"\",\"title_color\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\",\"content\":\"Z\"}},{\"type\":\"accordion\",\"props\":{\"show_image\":true,\"show_link\":true,\"collapsible\":true,\"image_svg_color\":\"emphasis\",\"image_align\":\"top\",\"image_grid_width\":\"1-2\",\"image_grid_breakpoint\":\"m\",\"link_text\":\"Read more\",\"link_style\":\"default\",\"content_style\":\"\",\"content_margin\":\"\",\"image_border\":\"\",\"image_grid_column_gap\":\"\",\"image_grid_row_gap\":\"\",\"image_margin\":\"\",\"link_size\":\"\",\"link_margin\":\"\",\"position\":\"\",\"position_z_index\":\"\",\"margin\":\"\",\"maxwidth\":\"\",\"maxwidth_breakpoint\":\"\",\"block_align\":\"\",\"block_align_breakpoint\":\"\",\"block_align_fallback\":\"\",\"text_align\":\"\",\"text_align_breakpoint\":\"\",\"text_align_fallback\":\"\",\"animation\":\"\",\"visibility\":\"\"},\"children\":[{\"type\":\"accordion_item\",\"props\":{\"title\":\"Zd\\u00e1nliv\\u00fd \\u00fanik\",\"content\":\"\n\n<p>Viz virtu\\u00e1ln\\u00ed net\\u011bsnost<\\\/p>\"}},{\"type\":\"accordion_item\",\"props\":{\"title\":\"Zkou\\u0161ka zvonem\",\"content\":\"\n\n<p>Zkou\\u0161ka zvonem p\\u0159i testu t\\u011bsnosti vzduchem<\\\/p>\\n\n\n<p>Co se rozum\\u00ed pod pojmem zkou\\u0161ka zvonem p\\u0159i testu t\\u011bsnosti vzduchem, je vysv\\u011btleno pod 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