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Hydrogen Compensated Carbon Monoxide Replacement Sensor for AreaRae / MultiRae / ToxiRae Pro

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Genuine Hydrogen Compensated Carbon Monoxide Replacement Sensor for AreaRae / MultiRae / ToxiRae Pro gas detectors from Rae Systems by Honeywell.

All specifications have been verified under the following environmental conditions:

  • Temperature: 68°F
  • Relative Humidity (non-condensing): 50%
  • Ambient Pressure: 1 atm (1,013 mbar)

Refer to the Technical Note TN-114 for a glossary of terms used on this page

Additional information

Weight .5 lbs


Sensor Type Electrochemical
Range 0-2,000 ppm
Resolution 10 ppm
Bias/Equilibration No bias/10 minutes after installation
Drift < 1% signal loss/month
Storage Life 6 months in sealed container
Operating Life 1 year in air
Calibration Gas 100 ppm Carbon Monoxide in Air
Maximum Overload 4,000 ppm
Temperature Range -4°F to 122°F
Storage Temperature Range 32°F to 68°F
Pressure Range Atmospheric ±10%
Operating Humidity 15 to 90% rH non-condensing
Warranty 1 year from date of shipment

Cross Sensitivities

10 ppm
<0.05 ppm
Ethylene 400 ppm <140 ppm
Hydrogen at 10°C
900 ppm
18 ppm
Hydrogen at 20°C
900 ppm
36 ppm
Hydrogen at 30°C
900 ppm
54 ppm
Nitric Oxide 50 ppm <1.5 ppm
Nitrogen Dioxide
10 ppm
<0.05 ppm
Sulfur Dioxide 20 ppm <0.1 ppm
20 ppm
<0.02 ppm


Technical Note: TN-114 – Sensor Specifications and Cross Sensitivities for Hydrogen Compensated Carbon Monoxide Replacement Sensor

Disclaimer: Technical Note TN-114 presents specifications, cross sensitivities and calibration information on select Rae Systems by Honeywell sensors. All specifications presented in this Technical Note reflect the performance of standalone sensors. For instrument specifications, please refer to product datasheets and manuals. Actual sensor characteristics may differ when the sensor is installed in different instruments. As sensor performance may change over time, specifications provided are for brand new sensors.

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