Humidity measurement in industrial process in ATEX rated (EX) zones, compatible with HygroFlex HTS transmitter. Intrinsically safe probe ATEX 100. Power supply via HygroFlex Transmitter (15VDC) or from 2 wire 4...20mA loop (RH or 'C only) Measures relative humidity and temperature Eletronics operating range -40...40'C . Temperature measurements range -50....200'C (at probe)