Temperature measuring amplifier, 1-channel, ATEX, IECEx, C, FM, US, UL, TR CU, INMETRO, CCOE, NEPSI, KOSHA, Installation in zone 2, Input for Pt100/ Ni100 resistors, thermocouples and millivolt signals in 2, 3 or 4-wire technology, Output circuit: 0/4…20 mA, limit value relay, Upper and lower limit adjustable via rotary coding switch, Complete galvanic isolation, Input reverse-polarity protected