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Sulfur Dioxide Replacement Sensor for AreaRae / MultiRae / ToxiRae Pro

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Genuine Sulfur Dioxide 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 0-20 ppm
Resolution 0.1 ppm
Drift <2% signal/month
Maximum Overload 150 ppm
Storage Life 6 months in sealed container
Operating Life 2 years in air
Calibration Gas 5 ppm Sulfur Dioxide in Nitrogen
Temperature Range -4°F to 122°F
Storage Temperature Range 32°F to 68°F
Pressure Range Atmospheric ±20%
Operating Humidity 15 to 90% rH non-condensing
Warranty 1 year from date of shipment

Cross Sensitivities

Carbon Monoxide
300 ppm
<1 ppm
Ethylene 50 ppm <45 ppm
400 ppm
<1 ppm
Hydrogen Sulfide
25 ppm
0.1 ppm
Ammonia 20 ppm 0 ppm
Nitric Oxide
50 ppm
0-5 ppm
Nitrogen Dioxide
6 ppm
<-10 ppm
Hydrogen Cyanide
10 ppm
<5 ppm
Acetylene 10 ppm <30 ppm

Note: The table above is not exclusive and other gases not included in the table may still cause a sensor to react. The figures in this table are typical values and should not be used as a basis for cross calibration. Cross sensitivities may not be linear and should not be scaled. All data based on a 5 minute gassing. For some cross interferents break through will occur if gas is applied for a linger time period.


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