The CO2 sensor can be used to control the ventilation system according to the measured CO2 value. The measuring range of the sensor is 0 - 2000 ppm. The control range is factory-set at 600 - 1300 ppm.Article: Trio CO2 I, Sensor: internal, Color: gray, Weight: 0.03 kg, Weight with packaging: 0.1 kg, Width: 44.5 mm, Height: 18 mm, Depth: 70 mm, Width with packaging: 50 mm, Height with packaging: 20 mm, Depth with packaging: 75 mm, Ambient temperature: -40 °C to 70 °C, Suitable for box fans: no, Suitable for roof fans: no, Suitable for pipe fans: no, Suitable for heat recovery systems: yes, Suitable for wall-mounted fans: no, Suitable for wall-mounted fans: no, Suitable for residential fans: yes, Suitable for centrifugal fans: no, Suitable for circulation fans: no