Extech CO220 Desktop Indoor Air Quality CO2 Monitor

This meter measures CO2 concentration, air temperature, and relative humidity. The CO200 includes a 99 Memory Datalogger for storing and retrieving readings with date and time stamping. The audible alarms make this is an ideal instrument for indoor air quality (IAQ) diagnostics.

Features:

- Measures Carbon Dioxide (CO2), Air Temperature and Humidity, plus calculates Dew Point and Wet Bulb
- Maintenance free NDIR (non-dispersive infrared) CO2 sensor
- Carbon Dioxide reading displayed in ppm with six facial icons indicating indoor quality levels
- Calculates Dew Point and Wet Bulb values
- Calculates statistical weighted averages of TWA (8 hour Time Weighted Average) and STEL (15 minute Short Term Exposure Limit)
- Automatic Baseline Calibration function
- Audible High/Low alarm
- Displays Year, Month, Day, and Time
- Manually store/recall 99 readings
- Complete with AC adaptor

Specifications

Carbon Dioxide:

- Range: 0 to 9,999 ppm
- Resolution: 1 ppm

Temperature:

- Range: -10 to 60 C
- Resolution: 0.1

Humidity:

- Range: 0.1 to 99%RH
- Resolution: 0.1%RH

Dewpoint:

- Range: -70 to 60 C (-94 to 140 F)
- Resolution: 0.1

Wetbulb:

- Range: -10 to 60 C (14 to 140 F)
- Resolution: 0.1

lps%:

- Range: -1428 to 51 lps% (calculated from 0 to 1000 ppm)
- Resolution: 1%

cfm/p:

- Range: -30 to 1 cmmf/p (calculated from 0 to 1000 ppm)
- Resolution: 1 cfm/p