Vaisala HMT360 - Manual (Page 5)

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VAISALA ________________________________________________________________________ 3
HTM360 CONNECTED TO A GALVANIC ISOLATOR
HAZARDOUS AREA SAFE AREA
a) current signal controller
I
HAZARDOUS AREA SAFE AREA
b) voltage signal controller
CAUTION If both analog outputs are in use with a galvanic isolator, the Ch 1 (-) and
Ch 2 (-) must be short circuited.
HMT360 CONNECTED TO A ZENER BARRIER
a) current signal controller
HAZARDOUS AREA SAFE AREA
EN