CO2 room transmitter, Modbus

The CO2 transmitter SAC series measures air quality through the presence of carbon dioxide in the room in the range between 0...2000 or 0...5000 ppm. The measurement of CO2 concentration happens through a NDIR sensor that operates on an infrared basis and which compensates the presence of any impurity. The product can be provided with humidity or humidity/temperature sensor. Output 0 ... 10 V DC or 4 ... 20 mA outputs.