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Hydrogen Replacement Sensor for AreaRae / Diffusion MultiRae Lite / ToxiRae Pro

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Genuine Hydrogen Replacement Sensor for AreaRae / Diffusion MultiRae Lite / 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 0-1,000 ppm
Resolution 2 ppm
Bias/Equilibration No bias/10 minutes after installation
Storage Life 6 months in sealed container
Operating Life 1 year in air
Calibration Gas 200 ppm Hydrogen in Air
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

1 ppm
0 ppm
Carbon Monoxide 300 ppm ≤60 ppm
100 ppm
80 ppm
Hydrogen Sulfide
15 ppm
<3 ppm
Hydrogen Chloride
5 ppm
0 ppm
Hydrogen Cyanide 10 ppm 3 ppm
Nitric Oxide
35 ppm
10 ppm
Nitrogen Dioxide 5 ppm 0 ppm
Sulfur Dioxide
5 ppm
0 ppm


Technical Note: TN-114 – Sensor Specifications and Cross Sensitivities for Hydrogen 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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