why 4 to 20 ma used at 0 set

2 Answers   Borouge, Yokogawa,

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I want to know if flowrate increases in 16' pipe line what will happen to upstream pressure and why?

1 Answers  

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how to calibrate absolute pressure transmitter

7 Answers   ABB,

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Why we are using reverse action in displacer types level transmitters on some Vessels?

0 Answers  

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What is the purpose of valve positioner. Explain 4 uses.

2 Answers   SRACO,

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Explain operation of Haskel pump.

0 Answers   CCIE,

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what is IEC code in cables & how to selecting cables?

0 Answers   ROS,

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What is surge in compressors? How to detect and control it?

1 Answers   DEWA,

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what is DCS and SCADA?

2 Answers   APL,

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Before erect the instrument what should you do?

3 Answers   L&T,

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why 4 to 20 ma ,why not 0 to 20 or 3 to 15 or anything

19 Answers   Honeywell, TCS, TN,

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what is the reason for flow fluctuations happen on differential flow transmitter during in service

2 Answers  

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