For presence detection in room and office spaces, specially for ceiling installation. Designed for connection to control and display systems.

 Infrared presence detector for semi recess mounting in ceiling by Perry Electric, Italy,  The presence detector in AUTO mode, memorises the brightness level to which it is asked to turn on the lights. When this level is exceeded, the presence detector automaticallyswitches off the lights, avoiding unnecessary costs.

The ceiling multi sensor MDS by Thermokon, Germany is designed for motion and light detection in room and office spaces. The measured quantity can be used for a fixed light control by means of downstreamed dimming resistances.

Due to the flat construction, the device is specially suitable for an inconspicuous installation in ceilings. Depending on the type, the MDS offers different output interfaces for coupling to a building control system.