Extech Desktop Air Quality CO2 Data Logger - CO210

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This instrument monitors and displays the CO2 content of the air, the air temperature, humidity and overall air quality. With data logging capabilities to record and download data to a PC.

Extech Desktop Air Quality CO2 Data Logger - CO210

Measures Carbon Dioxide (CO2), Air Temperature and Humidity and data logs up to 5,333 points for each parameter for download to a PC


  • Visible and Audible CO2 warning alarm with relay output for ventilation control
  • Data logs up to 5,333 points for each parameter and can be downloaded to a PC using included Windows compatible software
  • Checks for Carbon Dioxide (CO2) concentrations (0 to 9,999ppm)
  • Displays Temperature 14 to 140°F (-10 to 60°C)
  • Displays Relative Humidity (0.1 to 99.9%) readings
  • Maintenance free NDIR (non-dispersive infrared) CO2 sensor
  • Indoor Air Quality displayed in ppm with Good (380 to 420ppm), Normal (1000ppm) indication
  • Displays year, month, date and time
  • Max/Min CO2 value recall function
  • Automatic baseline calibration (minimum CO2 level over 7.5 days) of manual calibration in fresh air
  • 1 year warranty
  • Comes complete with a universal AC adaptor

Indoor air quality is important for a healthy and efficient work environment. With high CO2 levels people work less efficiently, are in a more drowsy state and can experience headaches. Humidity control is also important, where low humidity can cause dry skin and high humidity can cause the growth of mold or mildew. Temperature can also affect how people work and is the most important factor in over all comfort.

The Desktop Indoor Air Quality CO2 monitor tests all of these factors and displays readings on a large LCD screen. This instrument features a data logging capability which records up to 5,333 data points for each parameter with the ability to download the information to a PC with the included Windows compatible software. With a visible and audible CO2 warning alarm with relay ouput for ventilation control. This instrument is great for monitoring offices, homes, warehouses, barns or greenhouses. The CO210 Desktop Air Quality CO2 Data Logger User Manual is attached to this page to answer any further questions.


  • Carbon Dioxide (CO2): 0 to 9,999ppm
  • Resolution: 1ppm
  • Temperature: 14 to 140°F (-10 to 60°C)
  • Resolution: 0.1°F/°C
  • Humidity: 0.1 to 99.9%
  • Resolution: 0.1%
  • Memory: 5,333 readings per parameter
  • Dimensions: 4.6 x 4 x 4" (117 x 102 x 102mm)
  • Weight: 7.2oz (204g)

Unit Ship Weight: 1.5 lbs

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