Definitions of Metrology terms & phrases.
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see Mutual Recognition Arrangement.
Mutual Recognition Arrangement, CIPM
MRA for national measurement standards and for calibration and measurement certificates issued by NMIs.
National measurement standard
Standard recognised by a national decision to serve in a country as the basis for assigning values to other standards of the quantity concerned.
National Institute of Standards and Technology, the national metrological institute of the USA.
Often-used English abbreviation for the national metrological institute of a country.
Nederlands Meetinstituut - Van Swinden Laboratorium, the national metrological institute of the Netherlands.
See value, nominal.
National Physical Laboratory, the national metrological institute of UK.
National Research Council, Institute for National Measurement Standards, the national metrological institute of Canada.
Organization of American States.