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If a differential pressure transmitter is calibrated for
0~2500 mmH2o and transmits a 4~20mA dc signal. The
transmitter is placed across an orifice plate which is sized
to create 2500 mmH2o differential at 5000m3/Hr
a) what is the flow rate when the transmitter signal is
13.0mA DC?
b) what is the signal output of the transmitter when flow
rate is 2500 m3/Hr ?

Answers were Sorted based on User's Feedback



If a differential pressure transmitter is calibrated for 0~2500 mmH2o and transmits a 4~20mA dc si..

Answer / nani babu

a) flow rate for 13mA is 2812.5 m3/hr
b) 12 mA to 2500 m3/hr

Is This Answer Correct ?    24 Yes 6 No

If a differential pressure transmitter is calibrated for 0~2500 mmH2o and transmits a 4~20mA dc si..

Answer / nabil amrani

a) Y=(20-4)/(5000-0)*x + b=16/5000*x + 4
when y = 13 mA x = (13-4)* 5000/12 = 2812.5 m3/Hr

b) Y=16/5000 * x + 4
when x= 2500 y= 16/5000 * 2500 +4 = 12 mA

Is This Answer Correct ?    8 Yes 3 No

If a differential pressure transmitter is calibrated for 0~2500 mmH2o and transmits a 4~20mA dc si..

Answer / rajaravindra

A)1581.25m3/h
B)15.31mA

Is This Answer Correct ?    1 Yes 0 No

If a differential pressure transmitter is calibrated for 0~2500 mmH2o and transmits a 4~20mA dc si..

Answer / raju

ans a)=&#8730;(13-4/16)×5000=3750 m3/hr
b)=(2500/5000)×(2500/5000)×16+4= 8 mA

Is This Answer Correct ?    13 Yes 13 No

If a differential pressure transmitter is calibrated for 0~2500 mmH2o and transmits a 4~20mA dc si..

Answer / mani

a)Ans 4062 m3/hr

b)Ans 8 mA

Is This Answer Correct ?    6 Yes 11 No

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