Sensor for the measurement of CO2 Carbon dioxide. Can be used with SIO Deca Sensors, with RS485 SIO Nodes and Lyra HVAC. Measuring range: 0..40.000 ppm. Equipped with 2 RJ45 ports for connection to the BUS. Not addressable. + 3.3Vdc power supply from the SIO bus. Black box size: 39x88x23 mm.