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Additional Tasks
Additional Activities Included in Proof Testing Procedure
Typical additional activities that may be included in a proof testing procedure
are:
•
Visual inspection (IEC 61511-1/2 / 16.3.2.).
•
Testing diagnostic mechanisms e.g. open/short circuit, over/under range.
•
Loss of motive power e.g. removal of air supply to valves.
•
Calibration of sensors.