Extech CO220 Desktop Indoor Air Quality, CO2

Product Highlights

• Desktop Indoor Air Quality CO2 Monitor
• 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

Each Unit Includes

• AC adaptor