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WHICH INSTRUMENT USED TO CALIBRATE CONTROL VALVE?
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Answer Posted / mustafa ahmad
mA SOURCE & HART COMMUNICATOR WILL USE FOR THE CALIBRATION
OF CONTROL VALVE .WHEN U CALIBRATE THE CONTROL VALVE THAT
TIME U FOUND ANY ERROR . YOU DO AUTO CALIBRATION BY HART
COMMUNICATOR . WHEN AUTO CALIBRATION WILL FINISH , YOU DO
THE STROKE CHEK BY HART COMMUNICATOR OR mA SOURCE
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