1) Oxygen permeation analyzer (testing instrument) 2) Test the oxygen transmission rate of film or ... areaΦ80mm,50.24cm2Specimen quantity4pcs2pcsSpecimen thickness≤2mmPressure0.2-0.3Mpa Software interface: Features:1, Automatic test, use friendly,2, ... , accurate and reliable data;3, Two calibration methods of standard gas calibration and standard film calibration, 4, Versatile functions such as the ...