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.

can we use a control valve without positioner

19 Answers  

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How does the "as-built" function benefit plant owner/operators?

2 Answers  

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kindly sent some demo question and answer

0 Answers   HPCL,

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what step is taken for ESD ( emergency shut down) in DCS REPLY to hashimka20009@gmail.com

0 Answers   Bosch, Eskom, Sabic,

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Whether the DI, DOs shields can be connected with Analog Input Shield Earthpit?

0 Answers  

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For what Wake Frequency Calculation is used?

3 Answers   Reliance,

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please send me gail format if u have... please help me if u can...

1 Answers  

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Related to control system, What is difference between 4-20 mA active & 4-20 mA pasive signal.

1 Answers  

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How RAL(Rotary air lock)works in cement industry?

0 Answers   Jaypee,

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What is the basic difference between 2 Wire, 3 Wire and 4 Wire RTD

2 Answers  

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Area classification, Equipments, Gas groups, temperature classification, Ingress protection, Fire Extinguishers.

0 Answers   CCIE,

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what is DCS?

24 Answers   Reliance, SWCC,

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