Gas Detector Sensor Gas Detected Oxygen Measurement Range 0 to 30 Percent vol Compatible Detector Model/Series BW Icon BW Icon+ Sensor Type Catalytic For Detector Type Portable Compatible Detector Manufacturer Part Number Honeywell BW(TM) Icon Honeywell BW(TM) Icon+ Sensor Life 2 yr Series BW(TM) Icon BW(TM) Icon+ Sub-Brand BW Resolution 0.1 Percent vol Standards FCC Compliant Operating Temperature - Maximum 140 Degrees F Operating Temperature - Minimum -40 Degrees F