Definitions of Metrology terms & phrases.
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Calibration history, measuring equipment
Time interval between two consecutive calibrations of a measuring instrument.
Result(s) of a calibration can be registered in a document sometimes called a calibration certificate or a calibration report.
Consultative Committee for Acoustics, Ultrasound and Vibrations. Established 1998.
Consultative Committee for Electricity and Magnetism. Established 1927.
Consultative Committee for Length. Established 1952.
Consultative Committee for Mass and related quantities. Established 1980.
Consultative Committee for Photometry and Radiometry. Established 1933.
Consultative Committee for Amount of Substance - Metrology in chemistry. Established 1993.
Consultative Committee for Ionising Radiation. Established 1958.
Consultative Committee for Thermometry. Established 1937.
Consultative Committee for Time and Frequency. Established 1956.
Consultative Committee for Units. Established 1964.
Centro Español de Metrología, the national metrological institute of Spain.
Comité Européene de Normalisation. European standardisation organisation.
Conférence Générale des Poids et Mesures. Held for the first time in 1889. Meeting every 4th year.
Working standard routinely used to ensure that measurements are made correctly.
Comité Internationale des Poids et Mesures.
Calibration and Measurement Capabilities
Czech Metrology Institute, the national metrological institute of the Czech Republic.
Set of similar material measures or measuring instruments that, through their combined use, constitutes a standard.
An activity that provides demonstration that specified requirements relating to a product, process, system, person or body are fulfilled, i.e. testing, inspection, certification of products, personnel and management systems.
Conventional true value (of a quantity)
Value attributed to a particular quantity and accepted, sometimes by convention, as having an uncertainty appropriate for a given purpose. Sometimes called “assigned value”, “best estimate of the value”, “conventional value”, or “reference value”.
Euro-Asian cooperation of national metrological institutions.
Value which added algebraically to the uncorrected result of a measurement compensates for a systematic error.
See Reference material, certified.
CSIR - NML
National Metrology Laboratory, the national metrological instituteSouth Africa.
The national metrological institute of Australia. The National Measurement Laboratory NML is a National Facility within the Commonwealth Scientific and Industrial Research Organisation CSIRO.