EXTECH CO220 Desktop Indoor Air Quality CO2
Quantity
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
