Answer Posted / shakti prada khadanga

transmitter is a signal conditioning element in the loop
itmeans it provides a signal which is standrad and suitable
for controller like DCS or PLC.For example megnetic flow tx
inputs induced mv signal from element(sensor) and gives 4-
20ma output depends upon the range of flow.No a days
transmiitter used are smart tranmitter wich is programed to
convert input signal to standard electrical signl.
Tansmitter type varies depending upon input signal from
sensor.

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