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Aluminum Foil Water Vapor Permeation Rate Tester With Infrared Method

Categories Water Vapor Permeability Tester
Brand Name: systester
Model Number: WVTR
Certification: ISO,CE
Place of Origin: China
MOQ: 1
Payment Terms: L/C, T/T
Delivery Time: 3-5 days
Packaging Details: Fumigation free wooden case
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Aluminum Foil Water Vapor Permeation Rate Tester With Infrared Method

Product Details
Application:
WVTR-398B is based on the humidity sensor detection method and available for the water vapor permeability test of heat exchange membranes, nonwoven fabrics and flexible barrier materials.
Features:

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)


Principles:
The specimen is clamped between the upper and lower chamber, the upper chamber is high humidity side, and the other side of specimen, lower chamber is purged by a stream of dry gas, due to the effect of water concentration gradient at two sides of the specimen, water molecules will permeate through the specimen into the dry gas side, penetrated water molecules will be carried to the relative humidity sensor which generates the proportional signal, so water vapor transmission rate will be obtained by calculating the sensor signal.


Technical indexes:

Test range5 - 6500 g/m2·24h (Standard)
Resolution0.001 g/m2·24h
Specimen amount1 specimen
Temperature range5C–95C
Temperature accuracy±0.1C
Humidity range100%RH (Standard)
Humidity accuracy±1%RH
Test area38 cm2 (Standard)
Specimen size>=150mm * 94mm
Thicknessless 3mm
Carrier gasDry Air, or 99.999% Nitrogen
Carrier flow0~200 ml/min
Gas interface1/8inch
Power supplyAC 220V 50Hz
Dimension330mm(L) * 600mm(D) * 330mm(W)
Net weight30kg


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