Ethylene Oxide (ETO-C) Replacement Sensor for AreaRae / MultiRae / ToxiRae Pro


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SKU: C03-0923-100 Categories: , Tags: ,


Genuine Ethylene Oxide (ETO-C) 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

Ethylene Oxide (ETO-C) Replacement Sensor Replacement Sensor Specifications

Sensor Type Electrochemical
Range 0-500 ppm
Resolution 10 ppm
Bias/Equilibration Bias on: 6 hours after installation
Drift < 2% signal loss/month
Storage Life 6 months in sealed container
Operating Life 1 year in air
Calibration Gas 40 ppm ETO or equivalent of 10 ppm Carbon Monoxide in Air
Temperature Range -4°F to 122°F
Storage Temperature Range 32°F to 68°F
Pressue Range Atmospheric ±10%
Operating Humigity 15 to 90% rH non-condensing
Warranty 1 year from date of shipment

Correction Factors

Correction Factor
Ethylene Oxide
Carbon Monoxide 2.5
Methanol 0.5
i-Propanol 5
i-Butylene 2.5
Ethylene 0.8
Vinyl Chloride 1.4
Vinyl Acetate
Formic Acid


Technical Note: TN-114 – Sensor Specifications and Cross Sensitivities for Ethylene Oxide (ETO-C) Replacement Sensor 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.

Additional information

Weight .5 lbs

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Ethylene Oxide replacement sensor
Ethylene Oxide (ETO-C) Replacement Sensor for AreaRae / MultiRae / ToxiRae Pro