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Desktop Indoor Air Quality CO2

Extech CO220

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The Extech CO220 air quality CO2 monitor measures carbon dioxide, air temperature, and humidity. The CO220 also calculates dew point and wet bulb. Use in conference rooms, schools, greenhouses, factories, hotels, hospitals, and any place where high levels of carbon dioxide are generated. It calculates statistical weighted averages of TWA (8 hour Time Weighted Average) and STEL (15 minute Short Term Exposure Limit). Maintenance free NDIR (non-dispersive infrared) CO2 sensor. It can manually store/recall 99 readings. Complete with AC adaptor.

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General Specifications
Carbon Dioxide (CO?)
0 to 9,999ppm
Carbon Dioxide (CO?) Max Resolution
Dew Point
-94 to 140 °F (-70 to 60 °C)
Dew Point Max Resolution
0.1 °F/ °C
Relative Humidity
0.1 to 99.9%
Relative Humidity Max Resolution
Temperature (Air)
14 to 140 °F (-10 to 60 °C)
Temperature (Air) Max Resolution
0.1 °F/ °C
Ventilation Rate
-1428 to 51 lps%; -30 to 1 cmf/p
Ventilation Rate Max Resolution
1%; 1 cfm/p
Wet Bulb
14 to 140 °F (-10 to 60 °C)
Wet Bulb Max Resolution
0.1 °F/ °C
Additional Details
6.1 × 3.4 × 3.2" (155 × 87 × 81mm)
2 years
5.8oz (165g)
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Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

Extech CO220