... Permability rate Tester – Coulometry theory Method Standards:ASTM D 3985-1995, ASTM F 1927-1998, ASTM F ... Parameter itemY201DY204DTest range0.02~16500 CM3/M2/day (with large the test chamber, the max testing range can ... Automatic test, use friendly,2, High-precision sensors with over-range protection, continuous data collection, accurate and ... of our customer: Our team: Y 204 D Oxygen Permeation Tester