Wall-mounted programmable controller and transmitter (X2 OS) with internal temperature and humidity sensor and optional CO2-sensor, color display, PIR sensor. 2 control loops, 2 universal analog inputs (RT/DI/VDC/mA) and 2 universal outputs (VDC/mA)

Wall-mounted programmable controller and transmitter (X2 OS) with internal temperature and humidity sensor and optional CO2, VOC air quality, dust particle sensor, color display, PIR sensor. 4 control loops, 1 active input, 1 relays (SPDT) and 3 VDC outputs. This product replaces SRD2-220.103.

Wall-mounted programmable pressure controller and transmitter (X2 OS) with internal temperature and humidity sensor and optional color display, PIR sensor. It contains up to 4 control loops, 1 active input, 1 relays (SPDT) and 3 VDC outputs.

Wall-mounted programmable controller and transmitter (X2 OS) with internal temperature and humidity sensor and optional CO2, VOC air quality, dust particle sensor, color display, PIR sensor. 2 control loops, 1 passive input, 1 relays (SPDT) and 3 VDC outputs. This product is replaced by SRD2-411.103