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Hydrogen Cyanide Replacement Sensor for QRae 3 4R Format

Ships directly from the manufacturer, shipping times may vary.


SKU 032-0127-000 Categories , Tag



Genuine Hydrogen Cyanide 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 0-30 ppm
Resolution <0.2 ppm
Bias/Equilibration No bias/10 minutes after installation
Filter To remove Hydrogen Sulfide
Storage Life 8 weeks in sealed container
Operating Life >18 months in air
Calibration Gas 10 ppm Hydrogen Cyanide in Nitrogen
Temperature Range -40°F to 104°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

1,000 ppm
0 ppm
Carbon Dioxide 5,000 ppm 0 ppm
Carbon Monoxide
100 ppm
0 ppm
% range
0 ppm
10,000 ppm
0 ppm
Hydrogen Sulfide 20 ppm 0 ppm*
Nitric Oxide
10 ppm
-5 ppm
Nitrogen Dioxide 10 ppm -7 ppm

*Short gas exposure in minute range; after filter saturation; about 40ppm reading

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


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