QIMT Glossary
Definitions of Metrology terms & phrases.
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Calibration Set of operations that establish, under specified conditions, the relationship between values of quantities indicated by a measuring instrument or measuring system, or values represented by a material measure or a reference material and the corresponding values realised by standards. | |
Calibration certificate Result(s) of a calibration can be registered in a document sometimes called a calibration certificate or a calibration report. | |
Calibration history, measuring equipment | |
Calibration interval Time interval between two consecutive calibrations of a measuring instrument. | |
Calibration report Result(s) of a calibration can be registered in a document sometimes called a calibration certificate or a calibration report. | |
CCAUV Consultative Committee for Acoustics, Ultrasound and Vibrations. Established 1998. | |
CCEM Consultative Committee for Electricity and Magnetism. Established 1927. | |
CCL Consultative Committee for Length. Established 1952. | |
CCM Consultative Committee for Mass and related quantities. Established 1980. | |
CCPR Consultative Committee for Photometry and Radiometry. Established 1933. | |
CCQM Consultative Committee for Amount of Substance - Metrology in chemistry. Established 1993. | |
CCRI Consultative Committee for Ionising Radiation. Established 1958. | |
CCT Consultative Committee for Thermometry. Established 1937. | |
CCTF Consultative Committee for Time and Frequency. Established 1956. | |
CCU Consultative Committee for Units. Established 1964. | |
CEM Centro Español de Metrología, the national metrological institute of Spain. | |
CEN Comité Européene de Normalisation. European standardisation organisation. | |
CGPM Conférence Générale des Poids et Mesures. Held for the first time in 1889. Meeting every 4th year. | |
Check standard Working standard routinely used to ensure that measurements are made correctly. | |
CIPM Comité Internationale des Poids et Mesures. | |
CIPM MRA | |
CMC Calibration and Measurement Capabilities | |
CMI Czech Metrology Institute, the national metrological institute of the Czech Republic. | |
Compound standard Set of similar material measures or measuring instruments that, through their combined use, constitutes a standard. | |
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”. | |
COOMET Euro-Asian cooperation of national metrological institutions. | |
Correction factor Factor by which the uncorrected measuring result is multiplied to compensate for a systematic error. | |
Correction value Value which added algebraically to the uncorrected result of a measurement compensates for a systematic error. | |
CRM See Reference material, certified. | |
CSIR - NML National Metrology Laboratory, the national metrological instituteSouth Africa. | |
CSIRO NML The national metrological institute of Australia. The National Measurement Laboratory NML is a National Facility within the Commonwealth Scientific and Industrial Research Organisation CSIRO. | |