Gas Detector Sensor Gas Detected Oxygen Measurement Range 0 to 30 Percent vol Compatible Detector Model/Series AreaRAE MultiRAE MultiRAE IR MultiRAE Plus QRAE QRAE Plus RAEGuard EC ToxiRAE II ToxiRAE Pro VRAE Sensor Type Electrochemical T90 Response Time 15 sec Compatible Detector Manufacturer Part Number MultiRAE ToxiRAE Pro Sensor Life 2 yr Series AreaRAE MultiRAE MultiRAE IR MultiRAE Plus QRAE QRAE Plus RAEGuard EC ToxiRAE II ToxiRAE Pro VRAE Sub-Brand RAE