GTR tester Differential pressure gas transmission rate tester ASTM D1434, ISO 2556, ISO 15105-1

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.

Differential pressure gas transmission rate tester technical data

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

Differential pressure gas transmission rate tester features

1. The gas permeability, solubility coefficient, diffusion coefficient and permeability coefficient of the sample can be simultaneously measured;

2. The three test chambers are completely independent and can test three identical or different samples simultaneously;

3. Wide range, high precision temperature and humidity control, can meet the gas penetration test under a variety of test conditions;

4. The test range can be expanded as needed to meet the requirements of large transmittance tests;

5. Wide range of temperature data fitting for easy access to test results under extreme temperature conditions;

6. 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);

7.The system is controlled by computer and the whole test process is completed automatically;

8. The vacuum pump automatically starts and stops according to the progress of the experiment, without manual operation;

9. Provide standard film for rapid calibration to ensure the accuracy and versatility of the test data;

10. Equipped with RS232 universal data interface for easy data transfer.

Standard: ASTM D1434, ISO 2556, ISO 15105-1