Instrumentation and Control Training- Control Valve Positioner Calibration

Instrumentation and Control Training- Control Valve Positioner Calibration

POSITIONER CALIBRATION
CALIBRATION.
The goal of calibration, or alignment, is to ensure that the positioner is functioning correctly with in design tolerances.
The basic calibration process consists of three steps:
I. Bench set confirmation
II. Feedback linkage alignment, including cam alignment
III. Zero and span adjustment
IV. Inline or Online Calibration.

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Instrumentation and Control Training- Control Valve Positioner Calibration



Instrumentation and Control Training- Control Valve Positioner Calibration