![CDATA[KNX CO2 / VOC combination sensor 55, matt black. Version with 2 sensors. Suitable for 55 mm switch ranges e.g. MDT range 55 or GIRA E2 or BERKER B3, B7 or JUNG A 550 or Merten M-Pure. Combination sensor for measuring CO2 and mixed gas concentration (VOC), room temperature and relative humidity. Upper and lower threshold values can be set for each measured value. Integrated room temperature controller (2-point, PI, PWM). Function for air quality control can be set as a step/PI controller for CO2 or VOC sensor. 4-step controller with 1-bit outputs or 1-byte output with adjustable thresholds. Adjustable PI controller, external setpoint shift. Air quality traffic light for CO2 or VOC concentration with 4 color channels and adjustable output objects (1-bit/scenes/RGB/HSV). Day/night function. Installation in a windproof flush-mounted box with the included support ring. Supply voltage via KNX bus, no auxiliary voltage required. Integrated bus coupler.]]>
