in a electronic controller why we are using 250 ohm resistance in input signal?is i/p is necessary in control valve when we are using electronic controller give details?

3 Answers   IOCL,

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field bus transmitter calibration procedure tell me

0 Answers   BAP,

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how can you set a zero and span of transmitter?

1 Answers   Rockwell,

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Why mmwc unit is used?

0 Answers  

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Explain about SOURCING & SINKING concepts in PLC to field sensor wiring ?

4 Answers   GATE,

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Which standard is used for calibration of Control Valves ?

2 Answers  

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why we are using drum level control valve air to close?

0 Answers  

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what is the different between deflection type measurement and null type measurement in RTD?

0 Answers   SHR Solutions,

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What are three main programming in PLC

5 Answers  

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WHICH IS BEST INSTRUMENTATION OR ELECTRICAL ENGG?

3 Answers   SAS,

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how to calibrate displacer type level transmitter by dry weight method please mention formula for weight calculation

1 Answers  

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How to ensure vibration sensor functioning accordingly.With out using an other sensor.

3 Answers   ACC, Oil India,

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