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Ammonia Replacement Sensor for QRae 3

Ships directly from the manufacturer, shipping times may vary.


SKU 032-0207-000 Categories , Tag



Genuine Ammonia 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 0-100 ppm
Resolution <1 ppm
Bias/Equilibration No bias/10 minutes after installation
Storage Life 12 weeks in sealed container
Operating Life >24 months in air
Calibration Gas 50 ppm Ammonia in Nitrogen
Temperature Range -4°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 Monoxide (CO) 100 ppm 0 ppm
Carbon Dioxide (CO2)
5,000 ppm
0 ppm*
Hydrogen (H2)
10,000 ppm
0 ppm
Hydrogen Sulfide (H2S)
20 ppm
about 2 ppm1
Hydrocarbons % range 0 ppm

1 – Short exposure of less than few minutes
*At higher carbon dioxide concentrations (about >5%) there can be a negative reading


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