... K-7126 ; GB/T 19789-2005, Function:To test package oxygen transmission rate. Application :* Filmsrigid films, shrik films, stretch films ... Techinical Parameter itemY201DY204DTest range0.02~16500 CM3/M2/day (with large the test chamber, the max testing range can ... 1, Automatic test, use friendly,2, High-precision sensors with over-range protection, continuous data collection, accurate and reliable data ...