ZEDmod I ZED device family from ZELTWANGER Dichtheitsprüfung

Measuring methods

RD	RD relative pressure (optional: 2-channel)
RD / GP	relative pressure with bell testing
RD / DF	relative pressure with flow rate
DD	differential pressure
MF	mass flow

Automotive: Complete engines, cylinder heads, gears, heat exchangers, control electronics, batteries, lines, valves, fuel cells, pumps, etc.
Medical technology: Catheters, dialysis filters/boxes, flushing/hose systems, secretion containers, syringes, external lung machines, etc.

Packaging/cosmetics: Dispensing pumps, plastic bottles, cartridges, etc.
Household appliances: Water distributors/pumps, gas valves/fittings, stoves, compressors, etc.
General industry: Cylinders, safety/non-return valves, couplings, grippers, ball valves, seals, etc.

Control unit: PC-based control with powerful multi-core CPU and Windows Embedded 7
Slots for up to 4 measuring modules
17″ TFT color monitor with touchscreen
Graphic display of the measuring procedure per channel
Data storage > 1,000,000 test results
> 1,000 freely configurable test programs
Self-test function
Statistics function
Automatic test pressure monitoring
Electronic pressure regulator
Leak simulation connection to connect a test leak or leak calibrator
Sequential tests / parallel testing
Automatic volume detection using a reference leak
ZEDsatellite control

*optional

VGA: To connect an external monitor
USB and Ethernet interface: e.g., for file export in CSV, XML, or SQL (test programs, results)
RS232 interface: e.g., for the leak calibrator
Dimensions (H x W x D): 530 x 440 x 440
Weight: approx. 30 – 40 kg
Power supply: 24 VDC (+10 / -5%) 5 A
Test medium: Compressed air (oil and water-free according to ISO 8573-1 class 3)

Technical data:	Relative pressure	Differential pressure	Mass flow	Flow rate
Test pressure range	Vacuum – 16 bar		Vacuum – 8 bar
Test pressure accuracy	1% of the end value
Measuring range	As with test pressure range	-100 – 100 mbar	0 – 50 ml/min	up to 200 l/min
Measurement resolution	0.5 ppm of the end value		< 0.02% of the end value
Smallest measurable pressure change (type-specific)	0.5 Pa (1 bar) – 4 Pa (16 bar)	0.1 Pa
Measuring accuracy (leak rate)	Depending on the test setup	Depending on the test setup	Typically 3% of the measured value, no smaller than 0.5% of the end value
Repeatability	Depending on the test setup	Depending on the test setup	0.5% of the measured value, no smaller than 0.05% of the end value (depending on the test setup)