Insrument is used for the measurement of oxygen transmission rate (OTR) through permeable films. It utilizes the proprietary Oxygen sensor to detect Oxygen transmission rate. With a purge times as low as 30 minutes and test time as short as 20 minutes, this instrument is ideal for high volume production facilities. The instrument is easily calibrated to a certified N.I.S.T. traceablecalibration gas, which make, the test results traceable to current standards.