Measures Carbon Dioxide (CO2), Air Temperature and Humidity with useradjustable visual and audible alarm
Checks for Carbon Dioxide (CO2) concentrations (0 to 9,999 ppm) and displays Temperature (14 to 140°F/-10 to 60°C) and Relative Humidity (0.1 to 99.9%) readings
Maintenance free NDIR (non-dispersive infrared) CO2 sensor
Indoor Air Quality displayed in ppm with Good (0 to 800 ppm), Normal (800 to 1200 ppm), Poor (>1200 ppm) indication
Visible and Audible CO2 warning alarm
Displays Year, Month, Date, and Time
Max/Min CO2 value recall function
Complete with Universal AC adaptor;
2-year warranty