What is the difference between Error and Offset.

1 Answers  

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how far the two wire transmission (loop power) maximum distance suitable?

2 Answers   PCIL,

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WHICH IS BEST INSTRUMENTATION OR ELECTRICAL ENGG?

3 Answers   SAS,

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What is PID tunning

2 Answers   EID Parry, MFL,

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hey any one got the papers of SAIL and HPCL plz do help me by posting them to my mail ID's naren07_87@yaho.co.in, surenarendra@gmail.com

0 Answers  

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Somebody ask me how many size of control valve what is mean of control valve size?

2 Answers  

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what is difference between DO and DI

6 Answers  

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Explain Three way boiler.

2 Answers   L&T,

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which is type of thermocouple is used to measure 1000deg?

9 Answers  

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why is not useing in boiler skin thermocople

1 Answers   KNPC,

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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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An electronic p controller has an input range of 1-5v, and output range of 4-20mA, while testing a step change of 0.4 was applied at the input , the PB setting was 50% ,what should be the change in the output ?

1 Answers   Reliance,

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