You are here:

Formaldehyde Replacement Sensor for MultiRae / ToxiRae Pro

Ships directly from the manufacturer, shipping times may vary.


SKU C03-0982-000 Categories , Tags ,



Genuine Formaldehyde 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 0.01 ppm
Bias/Equilibration No bias/10 minutes after installation
Operating Life 1 year in air
Storage Life 6 months in sealed container
Calibration Gas 9 ppm HCHO or equivalent of 50 ppm Carbon Monoxide 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

Cross Interfering Compound Concentration
HCHO Sensor Cross-Sensitivity Level
HCHO Sensor Cross Sensitivity Approximate Value
Carbon Monoxide
50 ppm
Moderate Positive
Hydrogen 200 ppm Minimal 1 to 2%
Hydrogen Cyanide
10 ppm
Moderate Positive
Hydrogen Sulfide
10 ppm
High Positive
100 ppm
High Positive 100%+
Nitric Oxide 25 ppm Slight Positive 10%
5 ppm
High Positive
Sulfur Dioxide 5 ppm Moderate Positive 30%
1 ppm
Moderate Negative
Nitrogen Dioxide 5 ppm Moderate Negative -20%


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

Product Enquiry