Humidity-Sensor for operating temperatures -80...200°C transmitter box from aluminium-die casting no display sensor tube high-grade steel 1.4301/special plastics, Ø 15mm length: aprox. 243 mm duct mounting Output 1: relative humidity Output range 1: 0...100 % rh Output signal 1: 4...20 mA Output 2: not Supply voltage: 10...30 VDC outputs digital adjustable with push-buttons operation temperature range transmitter: -40...85°C operation temperature range sensor tube: -80...200°C please note the assembly instructions! Filter: : sintered filter made of high-grade steel, ZE13