How hart protocol can be connected with control valves?

0 Answers  

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what is zenier barier and what means zone 1,zone 2,and zone 3

2 Answers   Bapco Bahrain Petroleum Company,

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how the 2.5bar pressure able to control the 40bar steam

8 Answers   IBM, PAFL, Thirumalai Chemicals,

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what is the procedure for auto tune in masoneialn 12300 series displacer type transmitter?

0 Answers  

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Please tell me details about Sox,Nox,SWAS analyser????

0 Answers   Essar,

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What is the differerence between hysterisis and linearity.

0 Answers   CCIE,

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How does pyrometer works?

1 Answers  

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How can we say that accuracy of measurement increases by using 3 or 4 wire RTD? because for example: If resistance of RTD element is say r ohms and Resistance of the cable from transmitter to RTD is R ohms And if 4 wire RTD is used, ____._____________________ R ohms | |_____._____________________ R ohms / \ / r ohms \ \ | |______.__________________ R Ohms | |_______._________________ R ohms Then the actual resistance measured will be: Total = r + R/2 + R/2 = r +R Ohms Note: r+R instead of r ohms. hence error

2 Answers  

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which type of signal used in instrument?

3 Answers   Emco, Makson, Sail, TATA,

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procedure to commission a drum level transmitter

1 Answers  

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please send the sample qustion paper for iocl written test ..

0 Answers   IOCL,

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Explain level troll principle & interface level measurement.

1 Answers   ADMA OPCO,

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