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Cell-Instruments - Model WVTR GTR OTR -Differential Pressure Gas Transmission Rate Tester
Differential pressure gas transmission rate tester is a professional diaphragm material gas permeability tester, suitable for determination of gas permeability, solubility coefficient, diffusion coefficient, and permeability coefficient of plastic film, composite film, co-extruded film, engineering materials, metal foil and other materials at various temperatures.
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- Chamber Qty.: 3
- Test Range: 0.05~ 50000 cm3/ (m2 • 24h • 0.1MPa)
- Temperature Range: 5 ~ 95°C
- Test Area:38.48 cm2
- Test Gas O2, CO2, N2 etc.
- Test Range 0.02 ~ 50000 cm3/(m2 • 24h • 0.1MPa)
- Test Pressure ±0.1MPa
- Test Accuracy 0.01 cm3/(m2•24h•0.1MPa)
- Test Area 50.24cm2
- Temperature Accuracy ± 0.01°C
- Humidity range 0% RH0%RH, 2%RH～98.5%RH, 100%RH
- Vacuum degree ˂20Pa
- Vacuum resolution 0.1 Pa
- Sample Size dia 97mm
- Sample Thickness ≤ 2mm
- Gas Source Test gas, purity 99.999% N2 ,0.2 to 0.8MPa
- Gas Source Pressure 0.6 MPa
- Gas Port Φ6mm gas pipe
- The gas permeability, solubility coefficient, diffusion coefficient and permeability coefficient of the sample can be simultaneously measured;
- The three test chambers are completely independent and can test three identical or different samples simultaneously;
- Wide range, high precision temperature and humidity control, can meet the gas penetration test under a variety of test conditions;
- The test range can be expanded as needed to meet the requirements of large transmittance tests;
- Wide range of temperature data fitting for easy access to test results under extreme temperature conditions;
- Suitable for permeability testing of a variety of gases, such as oxygen, carbon dioxide, nitrogen, air, helium, etc. (flammable and explosive gases can be customized);
- The system is controlled by computer and the whole test process is completed automatically;
- The vacuum pump automatically starts and stops according to the progress of the experiment, without manual operation;
- Provide standard film for rapid calibration to ensure the accuracy and versatility of the test data;
- Equipped with RS232 universal data interface for easy data transfer.