Multifunction sensor for measuring ambient temperature and humidity. Equipped with 4 analog inputs and 4 optoisolated digital inputs with separate common. The inputs can be used for status checking and / or counting. The input and output circuits require an external power supply (eg 12Vdc or 24Vdc). BUS port for the connection of Sensor Bus environmental sensors (various combinations of sensors up to 8 measurements). It can be connected via the RS485 port to an Electrex network. 12Vdc power supply which can be supplied through the switching power supply cod. PFTP100-P2 (not included). Gray box size: 125x40x85 mm.