ELSNER 70681 KNX presence detector | brightness, temperature, humidity | white

![CDATA[The Intra-Sewi KNX L-Pr sensor is an integrated solution for the KNX building bus system that detects both the brightness and the presence of people in the room. An extended variant, the Intra-Sewi KNX TH-L-Pr, offers additional functions by measuring temperature and humidity and calculating the dew point. This sensor can receive external temperature and humidity values via the bus and combine them with its own data to create total values such as room average. Thanks to integrated PI controllers, it controls ventilation (humidification and dehumidification) and heating/cooling based on the measured temperature and humidity values. Another useful feature is the ability to send warning messages to the bus when the comfort field according to DIN 1946 is exceeded. The sensor also offers the function of manipulated variable comparisons to compare received values and trigger corresponding actions.]]>