why we used for range in pnumatic 3-15 psi and current 4-20 ma?

11 Answers   Jindal,

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why pneumatic control signal output is use 0.2 to 1 kg/cm2

3 Answers   Jindal,

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Hello-I know this not an engineering question,I am working in gulf & i want to do correspondence diploma in instrumentation,can any one give me the address of any university in which this courses are available.

2 Answers  

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Exapain Deatails of the PID controlller

4 Answers  

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what is the diffrence between mmwc and kg/cm2 for pressure measurment when we are using mmwc and when kg/cm2 and why????? ?? what is the reason

19 Answers   Ecoboard, Jindal, Sepco,

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Explain the difference between plc and cnc?

0 Answers  

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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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What is diffrent profibus & OFC Communication

1 Answers   Priya Cement,

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What is the Main principle and formula for the steam flow compensation?

2 Answers  

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What is Cavitation in a control valve?

0 Answers   CCIE, KN,

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what is cems analyzer explain with principle and drawing ?

0 Answers  

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how to calibate level transmiter ?range -150 to +150.what is the zero and span?

1 Answers  

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