difference between null and deflecting instrument.

5 Answers   ONGC,

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How to measure Flow of air line,what is the procedure of creating DP in line to measure Flow!

3 Answers  

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what is working principle of vibration prob

3 Answers  

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what is difference between RTD , thermo couple and thermistor in general ?? (except temperature co-efficient )

5 Answers   Bilt,

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WHICH INSTRUMENT USED TO CALIBRATE CONTROL VALVE?

23 Answers   Exxon Mobil, Honeywell,

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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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which type of signal used in instrument?

3 Answers   Emco, Makson, Sail, TATA,

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Distributed control system

1 Answers   CCIE,

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How can we calibrate pressure and flow transmitter in the field(online)?

3 Answers   Aramco, Reddy Labs,

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what is the diffrence between pressure safety valve & pressure relief valve....pls

0 Answers   Oil India,

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when we are using HART COMMUNICATOR why we are using 250 ohm resistance while using HART COMMUNICATOR.

7 Answers  

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how feedback signal frm rtd can be use for 2 purpose, i.e. 1for local monitoring and 2nd for controlling in dcs.so how many wired RTD can be used

1 Answers  

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