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why does a transmitter o/o signal starts from 3-15psi or 4-
20mA?

Answers were Sorted based on User's Feedback



why does a transmitter o/o signal starts from 3-15psi or 4- 20mA? ..

Answer / vinit paneriya

bcz 4-0mamp in very liner and give corect veriation in
perameter,what ever instrument like plc,dcs etc not working
bellow 3.9 mamp so

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