Calibration and Measurement

Verification

Verification is the confirmation, using objective evidence, that specified requirements have been fulfilled.

What this term means in maintenance

Verification is the confirmation, using objective evidence, that specified requirements have been fulfilled.

Verification in maintenance

Verification may confirm that:

  • A repair meets acceptance criteria
  • A safety device operates correctly
  • An instrument meets tolerance
  • An installation matches the drawing
  • Required evidence is present
  • Work was performed as specified

Practical example

After replacing a pump seal, the technician runs the pump, checks pressure, vibration, leakage, and temperature, and records that acceptance criteria were met.

Verification versus calibration

Calibration determines measurement error by comparison with a reference. Verification confirms that the instrument or result meets specified requirements.

Verification versus validation

Verification asks whether requirements were met. Validation asks whether the result is suitable for its intended use.

Common mistake

Closing a work order without documented testing or acceptance evidence may show completion but not successful restoration.

How this term differs

Verification is confirmation that specified requirements were met. It is related to Validation, but these terms describe different records, measures, roles, strategies, or decisions and should not be used interchangeably.

Related maintenance terms

Keep exploring connected CMMS, reliability, and maintenance planning terms.

Verification FAQs

What is verification?

Confirmation using objective evidence that specified requirements have been fulfilled.

How is verification different from calibration?

Calibration determines measurement error. Verification confirms that requirements are met.

What is repair verification?

Testing and evidence showing that the repaired asset meets defined acceptance criteria.

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