Answer / uddipan sarkar

first of all mass flow transmitters are 4-wire tx. In 4-
wire tx we give a seperate source to power up the Tx and
from its ma terminal we take the 4-20 ma current signal.its
not a loop powered transmitter like the 2 wire.
you should first clear ur concepts about 2-wire tx and 4-
wire tx

sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

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