where using the 0-20ma in feiled instrumentation? why its using?

4 Answers  

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How d.p. Transmitter can be applied to open tank?

0 Answers  

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hydrogen purity meter calibrating and commissioning procedure can be explained?

1 Answers  

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why the derivative in PID is always set to zero?

3 Answers  

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how bolometer is used in temperature measurement ??

1 Answers  

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In bimetallic temp. Gauges why does metal strip bend? Why do we use low expansion factor metal and high expansion factor metal in bimetaliv strip?

1 Answers   Process Control Technologies,

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how to derive kg/cm2 to mmwc? complete derivation.

11 Answers   L&T,

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When cryogenic control valve will be applied?

1 Answers  

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i want interview questions about PROCESS CONTROL INSTRUMENTATION , SENSORS AND TRANSDUCERS IF ANY BADY KNOW ABOUT THAT PLEASE SEND TO MY MAIL karumudi1003@gmail.com

8 Answers   Honeywell, Reliance,

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What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

0 Answers   ADMA OPCO,

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why we use 4-20 mA to do calibration of the instruments.why we cant use 0-20 mA?

8 Answers   Emerson, IEM,

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Anybody know how to create a ladder programme for power switch in TV remote without using counter... ie TV can be turn on and turn off using single push button switch... on pressing the switch first time TV turn on and hold the on state till i press the switch again, and after TV turn off.

2 Answers  

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