Extech CO220 Desktop Indoor Air Quality Monitor

The CO220 Air quality CO2 monitor measures carbon dioxide, air temperature and humidity. The CO220 also calculates dew point and wet bulb.

Use in conference rooms, schools, greenhouses, factories, hotels, hospitals and anywhere that high levels of carbon dioxide are generated. Calculates statistical weighted averages of TWA (8 hour Time Weighted Average) and STEL (15 minute Short Term Exposure Limit). Maintenance free NDIR (non-dispersive infrared) CO2 sensor. Manually store/recall 99 readings. Complete with AC adaptor.

Key Features:

• Constant monitoring of carbon dioxide (CO2), air temperature and humidity
• Can be used to calculate dew point and wet bulb
• User-settable high/low alarm function with audible indication of low/high CO2 content
• Ideal for use in conference rooms, schools, greenhouses, factories, hotels, hospitals and any other CO2 measurement application
• Maintenance-free NDIR (non-dispersive) infrared CO2 sensor
• Carbon dioxide readings from 0 to 9999ppm with unique facial indication of CO2 levels
• Displays year, month, date and time on the screen
• MIN/MAX CO2 value recall function
• Calculates statistical weighted averages of TWA (8 hour Time Weighted Average) and STEL (15min Short Term Exposure Limit)
• lps% (liters per second per person) and cfm/p (cubic feet per minute per person)
• Automatic baseline calibration function
• Manually store/recall up to 99 readings
• Comes with AC adaptor