why we take 4 to 20 mA as out put of every instrument like pressure transmittre ?why we cant take 0 to 20mA as output?

6 Answers   OGDCL,

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what is Instrumentation?

5 Answers   RCL, TCS,

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What is solenoid valve? Where it is used?

0 Answers  

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what is the difference between two wire transmitter and 4- wire transmitter

3 Answers  

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what is sil (safety integrity level

0 Answers   Essar,

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Draw a wheatstone bridge circuit showing supply, meter and 3 wire RTD connection

0 Answers   CCIE,

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Why grounding is necessary? Give example with diagram.

0 Answers   Bright Point, DS Group,

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how to calibrate motorized operated valve?

1 Answers   Bilt, Jubilant, SRF,

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Why even multiple power supplu r used in instrumentation system?

1 Answers   Honeywell,

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Yokogawa dcs nodes advantages?

0 Answers   Petrochemicals,

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What is the meaning of wet leg

0 Answers  

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Explain the mechanism behind the turbine meter.

0 Answers  

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