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Water Vapor Permeability Tester WVTR Permeability Testing Machine

Categories Water Vapor Permeability Tester
Model Number: WVTR-2501
Certification: ISO,CE
Place of Origin: China
MOQ: 1 set
Price: 1 USD
Packaging Details: fumigation free wooden case
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Water Vapor Permeability Tester WVTR Permeability Testing Machine

WVTR-2501 is based on the weighing method and available for the water vapor permeability test of plastic films, aluminum foil, aluminized films, plastic composite films and many others.


featuresWeighing method
Dual weighing modules, patent technology
18 specimens, continuously test
One-button test, test automatically in whole process
Multiple test modes optional
Temperature and humidity auto control
Data curves display
Computer control
Environment temperature and humidity sensor inside
Unit based on embedded system,24bit Δ-Σ AD
Traceable reference film calibration
Supports DSM system (DSM, lab data management system)

Test dishes filled with distilled water in a controlled dry atmosphere, a constant humidity difference is generated between two sides of the test specimen, the water vapor permeates through the specimen and into the dry side, water vapor transmission rate and other parameters can be obtained by measuring the weight changes of the test dish in different time.

Technical indexes

Test range0.1~19,000 g/m2·24h (standard)
Test accuracy0.01 g/m2·24h
Specimen amount18 specimens, independent
Temperature range15C – 65C
Temperature accuracy±0.1C
Differential humidity rangeRoom%RH-97%RH,standard condition 90%RH
Humidity accuracy±1%RH
Test area28.26 cm2
Specimen sizeΦ76 mm
Air velocity0.5~2.5 m/s (customization available)
Test chamber volume65L
Gas supplyAir
Gas interfaceΦ8
Power supplyAC 220V 50Hz
Dimension830 mm(L) * 750 mm(W) * 675(H)mm
Net weight120kg

ISO 2528, ASTM E96, ASTM D1653, GB 1037, GB/T 16928, TAPPI T464, DIN 53122-1, JIS Z0208, YBB 00092003

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