Systemair CO2 traffic light with display - CO2, humidity, temperature, power unit

Maintenance-free, immediately operational multifunction sensor with traffic light display, incl. plug-in power supply. Self-calibrating, in an attractive plastic housing, for determining the CO2 content, humidity and temperature of the room air. Visual display of the CO-2 measured variable via a 3-color traffic light system. - Backlit LCD display - Measurement and display of CO2, humidity, temperature - Recording of the lowest and highest CO2 values of the last 24 hours - Power supply via plug-in power supply unit (included in delivery) - Buzzer when CO2 value exceeded (CO2 threshold adjustable) - Mute button for buzzer - Automatic calibration - Adjustable threshold values for the LEDs