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Hydrogen Sulfide Replacement Sensor for AreaRae / MultiRae / ToxiRae Pro

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Genuine Hydrogen Sulfide 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 0-100 ppm
Resolution 0.1 ppm
Drift <2% signal/month
Bias/Equilibration No bias/10 minutes after installation
Storage Life 6 months in sealed container
Operating Life 2 years in air
Calibration Gas 10 ppm Hydrogen Sulfide in Nitrogen
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 2 years from date of shipment

Cross Sensitivities

Carbon Monoxide
300 ppm
≤1.5 ppm
Carbon Disulfide 100 ppm 0 ppm
Ethyl Sulfide
100 ppm
10 ppm2
100 ppm
≤0.2 ppm
Hydrogen 3,000 ppm 0 ppm
Hydrogen Chloride
10 ppm
0 ppm
Hydrogen Cyanide
10 ppm
0 ppm
Isobutylene 100 ppm 0 ppm
Methyl Mercaptan
5 ppm
about 2 ppm
Methyl Sulfide
100 ppm
9 ppm
Ammonia 50 ppm 0 ppm
Nitric Oxide
35 ppm
<0.7 ppm
Nitrogen Dioxide
5 ppm
about -1 ppm1
Phosphine 5 ppm about 4 ppm
Sulfur Dioxide
5 ppm
about 1 ppm
10,000 ppm
0 ppm2
Turpentine 3,000 ppm about 70 ppm2

NOTE: High levels of polar organic compounds including alcohols, ketones and amines give a negative response.
1 – CAUTION! Negative cross sensitivities may cause the sensor to produce lower readings than the true concentration of gas in ambient air
2 – Estimated based on date from similar sensors


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