CO2 monitor for monitoring CO2 concentration in buildings. Displays CO2 concentration and room temperature alternately. CO2 measurement range: 0 to 3000 ppm. Temperature measurement range: 0 °C to 50 °C. LED display (green/yellow/red) next to the screen. Powered via USB cable (included). With the Airco2ntrol Mini CO2 measuring device from TFA, you can check how consumed and polluted the air is in spaces where people gather, such as schools, offices, and public facilities. By ventilating in a timely and energy-efficient manner, you ensure a healthy indoor climate. The monitor alternately displays the CO2 level of the indoor air along with the temperature. A colored traffic light display next to the screen changes from green to yellow to red depending on air quality. TFA Dostmann is one of the leading companies in the industry in Europe, offering over 1000 weather and measuring instruments. The product range is characterized by its own innovative technologies and exclusive designs, and is continuously developed in collaboration with meteorologists, IT specialists, and designers.