Gas Transmission Rate Tester (also called Gas Permeability Tester) is a differential-pressure instrument for measuring GTR and barrier performance of films, sheets, bottles, pouches and cans to O2, CO2, N2, air and other gases. It supports ASTM D1434, ISO 15105-1, ISO 2556 and GB/T 1038, and is widely used in food, pharmaceutical, medical device, electronics and new energy industries.
