Extech CO220 Air Quality Monitor Desktop Indoor

Radwell UK

NATURAL GAS, CARBON MONOXIDE & REFRIGERANT DETECTORS; TYPE: CO2 DETECTOR; FUNCTION: CARBON DIOXIDE MONITOR; ALARM TYPE: AUDIBLE; MINIMUM TEMPERATURE: -10 °C; 14 °F; MAXIMUM TEMPERATURE: 60 °C; 140 °F; STANDARDS: CE; HEIGHT (DECIMAL INCH): 6.1 IN; 155 MM;

Test-meter.co.uk

Precise desktop CO2 monitor measuring carbon dioxide (0-5000 ppm), humidity, and temperature. Non-dispersive infrared sensor with audible alarm, data logging, TWA/STEL calculation, and easy-to-read LED display. Ideal for indoor air quality monitoring.

Amazon

Automatic Baseline Calibration (minimum CO2 level over 7.5 days) or manual calibration in fresh air Checks for Carbon Dioxide concentrations CO2 displayed in ppm with six icons indicating indoor quality levels