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Sulfur Dioxide Replacement Sensor for QRae 3

Ships directly from the manufacturer, shipping times may vary.


SKU 032-0204-000 Categories , Tag



Genuine Sulfur Dioxide Replacement Sensor for QRae 3 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 0.2 ppm
Filter No
Bias/Equilibration 0 V
Storage Life 3 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
<3 ppm
Hydrogen Sulfide 15 ppm 0 ppm
Nitric Oxide
35 ppm
0 ppm
Nitrogen Dioxide
5 ppm
~-5 ppm

Poisoning – Sensors are designed for operation in a wide range of environments and harsh conditions. However, it is important that eposure to high concentrations of solvent vapors is avoided, both during storage, fitting into instruments and operation.


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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