1) Oxygen permeation analyzer (testing instrument) 2) Test the oxygen transmission rate of film or ... -plastic composite films,aluminized films, aluminum foil, aluminum composite films, high barrier films and many others. Eg. PET, OPP, CPP, ... 3Mpa Software interface: Features:1, Automatic test, use friendly,2, High-precision sensors with over-range protection, continuous data collection, accurate and ...