The C03-0906-000 replacement Carbon Monoxide sensor from RAE Systems measures at a range of 0 to 100 ppm CO, has a 3 year warranty, and is compatible with the MultiRAE family, the AreaRAE Plus and Pro, and the ToxiRAE Pro. Sensor Type: Electrochemical Range: 0 to 100 ppm Max Overload: 1,500 ppm Resolution: 1 ppm Bias/Equilibration: No bias/10 min. after installation Temperature Range: -4° F to 122° F (-20° C to 50° C) Pressure Range: Atmospheric ±10% Operating Humidity: 15 to 90% RH non-condensing Drift: < 2% signal/month Storage Life: 6 months in sealed container Storage Temperature: 32° F to 68° F (0° C to 20° C) Operating Life: 2 years in air Warranty: 2 years from date of shipment Calibration Gas: 50 ppm CO, balance air Supported Instruments: MultiRAE Lite, MultiRAE, MultiRAE Pro, ToxiRAE Pro