CO2 sensor for controlling fans depending on the CO2 concentration. Optical sensor using infrared absorption. With 5 LEDs to display the CO2 concentration. With 0 V to 10 V output to display the CO2 concentration. With 0 V to 10 V output to display the temperature. Do not use for safety-relevant gas measurements. Accessories: Safety transformer (230 V / 24 V) to be purchased on site. Article: SKD, Rated voltage: 14 V - 48 V DC / 16 V - 36 V AC, INom: 0.02 A, IMax: 0.1 A, Protection class: IP 20, Installation location: Wall, Installation type: Surface-mounted, Installation position: Any, Housing material: Plastic, Color: pure white, similar to RAL 9010, Weight: 0.1 kg, Weight with packaging: 0.13 kg, Width: 79 mm, Height: 120 mm, Depth: 30 mm, Width with packaging: 100 mm, Height with packaging: 135 mm, Depth with packaging: 40 mm, Ambient temperature: 10 °C to 40 °C, CO2 measuring range: 500 ppm - 2000 ppm