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Answer Posted / sree
first give the 20 psi working pressure on inlet port . then give the input of 4 to 20 mA . first give 4 ma then check the out put in out let if nt get the 3 psi adjust the zero adjustement, then give 8 ,12 , 16,and 20MA,THEN WE GET Correspondent outm put of 6 , 9 , 12,15 psi,if not get the 15 psi adjust the span adjustment.(test equipment: pressure generating instrument,mA Source,regulator, pressure indicator)
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