Glossary · definition
CMC (Calibration and Measurement Capability)
The smallest uncertainty a laboratory can achieve within its accredited scope when performing a routine calibration of a near-ideal device. A CMC is a laboratory capability statement, not the accuracy of any particular instrument.
See also:Measurement uncertaintyAccuracyISO/IEC 17025
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Articles on CMC
What is CMC in calibration?
Calibration and Measurement Capability is a laboratory's best-case uncertainty, not the accuracy of your instrument.
How to read a scope of accreditation
A scope lists, per quantity, the range, the calibration and measurement capability (CMC) and the method. Reading it tells you whether the laboratory can certify what you need — and at what uncertainty.