AERASGARD CO2 traffic light

Color: pure white, similar to RAL 9010IP30MB CO2: 0...3000ppm ± (30ppm +3%)optical NDIR sensorvia power supply (included in delivery)power supply: 230V AC (50-60Hz)Mobile CO2-measuring device as tabletop unitSchool-CO2-Sensor w. Traffic light display incl. power supply, with stand baseDescriptionat 2000 ppm: level redat 1000 ppm: level yellowOptical display of the measured variables via a five-color traffic light system:Maintenance-free, immediately operational school CO2 sensor with traffic light display, incl. environmentally friendly plug-in power supply unit. Self-calibrating, in an attractive plastic housing, for determining the CO2 content of the room air (measuring range: 0...3000 ppm).Dimensions: 85x85x27 mmHousing: Baldur 1, plastic, ABSwith traffic light display / bargraph 5 LEDs (1000 ppm = yellow, 2000 ppm = red)