Rotronic - Hf520-Wb4xx1xx
Transmitter for humidity and temperature wall version, horizontal mounting, 2x2-wire version, power supply: 12 ... 28 VDC, 1 M16x1.5 cable gland, output signals: OUT1: 4 ... 20 mA = 0 ... 100% RH, OUT2: 4 ... 20 mA = -30 ... 70 ° C.