... , paper, paper-plastic composite, glass, and metal packages, eg: bottles, containers, Techinical Parameter itemY201DY204DTest range0.02~16500 CM3/M2/day (with ... Φ80mm,50.24cm2Specimen quantity4pcs2pcsSpecimen thickness≤2mmPressure0.2-0.3Mpa Software interface: Features:1, Automatic test, use friendly,2, High-precision sensors ...