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WHICH INSTRUMENT USED TO CALIBRATE CONTROL VALVE?
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Answer Posted / shan
It is simply by using a source meter or loop calibrator.
Inject 4-20mA to the current-pneumatic converter and check
the response of the valve. If you notice that an error
occurs,you can adjust zero or span at the control
positioner...
| Is This Answer Correct ? | 74 Yes | 6 No |
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