Manufacturer Part Number: R9450|Detector Type|CO MeterAlarm Type|Audible; VisualDisplay Type|LCDMeasuring Range|CO: 0-999 ppm; Temperature: 32 to 122.0 F (0 to 50.0 C); Humidity: 10 to 90%RHHumidity Range|10 to 90%Maximum Voltage|0VResolution|1 PPMFunction|Measures carbon monoxide (CO), air temperature and relative humidityIncludes|Specifications|Measuring Range 0 to 999 ppm Accuracy 5% of reading or 10 ppm Resolution 1 ppmStandards|CEHeight (Decimal Inch)|Height (mm)|Sensitivity|Width (Decimal Inch - 4 Decimals)|For Use With|Office buildings Vehicles Garages Warehouses Manufacturing FacilitiesMaximum Operating Temperature F|Detection Type|Stabilized Electrochemical SensorLength (Decimal Inch - 4 Decimals)|Maximum Operating Temperature C|Minimum Operating Temperature C|Minimum Operating Temperature F|Length (mm)|Width (mm - 2 Decimals)|Accuracy|+/-0.6 CAccuracy|Product Service Code|UNSPSC Code|46171613