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Methyl Mercaptan Replacement Sensor for MultiRae / ToxiRae Pro

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SKU C03-0980-000 Categories , Tags ,



Genuine Methyl Mercaptan Replacement Sensor for 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 0-10 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 1 year in air
Calibration Gas 5 ppm Methyl Mercaptan 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

Carbon Monoxide
100 ppm
<0.2 ppm
Hydrogen 20,000 ppm <1 ppm
Hydrogen Sulfide
15 ppm
33 ppm
Nitric Oxide
35 ppm
<0.5 ppm
Nitrogen Dioxide 5 ppm <-3 ppm1
Sulfur Dioxide
5 ppm
<2.5 ppm

1 – CAUTION! Negative cross sensitivities may cause the sensor to produce lower readings than the true concentration of gas in ambient air


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