Can we use mov instead of esdv Explain the reason

1 Answers   KOC,

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What is the reason for not giving very High Proportional Gain Kp in PID Controller?

2 Answers   ABB,

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I am applied 100 % pressure on to the air to open control valve,but the valve is not fully closed..and 10-15% is open the valve. how to calibrate the control valve?

3 Answers   OPaL,

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A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?

0 Answers  

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how to design orifice plate?what is the equation?

0 Answers   REL,

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why we set -10 volt in vibration sensor output,why not +10 volt

3 Answers   Sabic, TVS,

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Instrumentation Safe Guarding test. How to determine the interval time of the test. eg:Halfyearly,Every year,Every three years etc.

0 Answers  

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Why only negative 24 vdc supply give in vibration measuring system.

6 Answers  

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What is the exact output of eddy current proximity probe? For vibration mesurment?

2 Answers  

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What are all the type of vibration measurement measuring in turbine, what is the output of vibration sensor.

3 Answers  

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What is the difference between precision and repeatability of any instrument. Why it is measured always in percentage

2 Answers  

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instrumentation

1 Answers   Tata Steel Limited,

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