Sensor for measuring temperature and relative humidity. It transmits data via radio waves at 868MHz to the Deca Coordinator RS485 E-WI 868. Typical temperature accuracy 0.2 ° C, humidity 1.8% RH. Sampling frequency can be set from 1 to 60 minutes. Wall installation. Dimensions: 80x80x25 mm. 12Vdc power supply that can be supplied through the switching power supply cod. PFTP100-P2 or via the RS485 cable if connected to a Libra.