... 1998, JIS K-7126 ; GB/T 19789-2005, Function:To test package oxygen transmission rate. Application :* Filmsrigid films, shrik films, stretch films ... reach 260000cm3/m2/day, 0.01~82 cm3/pkg/24h( package)Test accuracy0.001 cm3/m2/dayhumidity range0%RH, 30~90%RH ... thickness≤2mmPressure0.2-0.3Mpa Software interface: Features:1, Automatic test, use friendly,2, High-precision sensors with over-range ...