C201B Oxygen Transmission Rate Test System is designed and manufactured based on the coulometric sensor method andconforms to ASTM D3985.
C206H Oxygen Transmission Rate Test System is designed and manufactured based on the coulometricsensor method and conforms to ASTM D3985.
C230 Oxygen Transmission Rate Test System is designed and manufactured based on the coulometric sensor method (aka. equal pressure method) and conforms to ASTM D3985.