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Answer Posted / visakh
D ifferential pressure transmitter has two ports,
ie high pressure port and low pressure port , these two
ports connects to the pipeline or tank..etc by a metal
tube.the difference in pressure from the two port strikes
on the diaghpraghm inside the transmitter,then the
dighpragm get a little movement , the transducer in the
transmitter converts the mechanical movemeet to electrical
signal, ie 4-20ma
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