Answer / raj

yes.HART use for on line calibtration

Answer / haparmar

Yes we can calibrate through Hart But care should be taken
that Drum level should be controlled

Answer / deepan

HART MEANS ITS NOT A CALIBRATOR.ITS A COMMUNICATION DEVICE USED ONLY IN SMART TX.
FIRST CONFORM IT GIVES ERROR READING.
IF LEVEL TX IN DRUM GIVE SOME EROTIC READING WE CAN JUST CHECK WHETHER THE TX RANGE & CONFIGURATION.SENSOR TRIM.

Answer / arinjoy dasgupta

Yes we can do online calibration using HART calibrator on
level t/x but we must see the level in the drum through the
gauge glass and also communcate the same with the operator
sitting in the DCS.

what is the principal of coriolis mass flowmeter

1 Answers  

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the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)

0 Answers   GNFC,

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why dead weight tester called dead weight tester.

5 Answers   QAFCO,

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How can i test procedure grounding for CAT-7 cable? Or How can we test procedure CAT-7 Cable Electrically safe?

0 Answers   Tecnimont,

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1 Answers   HCL,

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find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

0 Answers  

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Can anyone help me with the Question bank(objective type) for complete Instrumentation engineering,either a soft copy or a Hard copy(Book),or the name of the author ,or publisher.

1 Answers   Reliance,

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admittance level sensor meaning?

2 Answers   CGL,

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what is purpose of three way manifold valve using for dp transmitter

1 Answers  

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What is the difference between floating and fixed voltage?

1 Answers  

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if i want buy a pressure gauge then witch parameter i look

2 Answers  

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How much voltage we get between two wire of 4 to 20 ma output? Is this voltage up or down respectvice to 4 - 20 ma ?

9 Answers  

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