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Indoor Air Quality, Carbon Dioxide (CO2)

Extech CO240

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The CO240 measures Carbon Dioxide (CO2), Air Temperature and Humidity, as well as Dew Point and Wet Bulb calculations. The user settable high alarm with audible beeper is perfect for conducting a quick check of CO2 level to help adjust the environmental conditions in an enclosed area, such as a greenhouse or nursery, to insure optimal plant grown. Complete with six AAA batteries, USB cable, PC software and soft case.

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General Specifications
Carbon Dioxide (CO?)
0 to 9,999ppm
Carbon Dioxide (CO?) Basic Accuracy
±(5% of reading + 75ppm)
Carbon Dioxide (CO?) Max Resolution
Dew Point
-99.2 to 118°F (-72.9 to 47°C)
Dew Point Max Resolution
Relative Humidity
10 to 90%
Relative Humidity Basic Accuracy
Relative Humidity Max Resolution
Temperature (Air)
14 to 122°F (-10 to 50°C)
Temperature (Air) Basic Accuracy
±2.0°F (1.0°C)
Temperature (Air) Max Resolution
Wet Bulb
12.2 to 118.8°F (-11 to 48.2°C)
Wet Bulb Max Resolution
Additional Details
8.3 × 2.4 × 1.6" (211 × 60 × 40mm)
6 × AAA (1.5V) batteries
2 years
6.4oz (181.4g)
Related Documents
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 CO240