The G2/131 Model of Oxygen (O2) Permeation Analyzer, manufactured by Labthink Instruments Co., Ltd., is mainly used to calculate gas transmission rate through versatile packaging materials. This device is based on differential pressure method, and conform to ISO2556, ISO15105-1, GB/T 1038-2000, ASTM D1434, JIS K7126-1, YBB00082003.
Moreover, this tool can generate with three distinct or equivalent specimens which can be tested simultaneously with the individual test results, and it converts the units of test results.