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Calibration · Glossary

What is a Calibration Certificate?

formal calibration recordCalibration

A calibration certificate is a formal document reporting calibration results, the reference used, uncertainty and traceability.

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Calibration Certificate Explained

ISO/IEC 17025 lists required contents: identification, method, conditions, results with uncertainty, traceability and authorisation.

A pass or fail statement must state the decision rule used.

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Calculators for Calibration Certificate

CalculatorCalibration Error CalculatorFree online calculator with formula and worked example.CalculatorMeasurement Uncertainty CalculatorFree online calculator with formula and worked example.

Free Downloads

Free downloadCalibration Certificate Format in ExcelFree download in Excel and PDF.Free downloadCalibration Master List Format in Excel with Due Date TrackerFree download in Excel and PDF.

Frequently Asked Questions

What is a Calibration Certificate?

A calibration certificate is a formal document reporting calibration results, the reference used, uncertainty and traceability.

Must a certificate give a due date?

Accredited labs normally do not, unless agreed; the user sets the interval.

Is a test report the same?

Not always; test reports may lack uncertainty and traceability.

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Related Terms

Calibration termTraceabilityTraceability links a measurement result to national standards through an unbroken chain of calibrations,…Calibration termISO/IEC 17025ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories.Calibration termDecision RuleA decision rule defines how measurement uncertainty is taken into account when stating that an instrument…

More Calibration Terms

Calibration termCalibrationCalibration is the comparison of an instrument reading with a known reference standard, recording the…Calibration termAccuracyAccuracy is how close a measurement is to the true value; in specifications it is the maximum expected error.Calibration termAccuracy SpecificationAn accuracy specification states how an instrument maker defines its maximum error, such as % of span, %…Calibration termPrecisionPrecision is how closely repeated measurements of the same quantity agree with each other, regardless of…Calibration termRepeatabilityRepeatability is the closeness of successive readings of the same input under the same conditions, same…Calibration termReproducibilityReproducibility is the closeness of results for the same quantity when conditions change, such as…

All calibration terms · Full glossary A to Z

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