Calibration and Measurement Capabilities – CMCs
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Key and supplementary comparisons
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Added keywords act as an additional filter. Keywords separated by a space will be treated by the logical function AND automatically. You may also use OR. Keyword searches also find close matches. Placing quotation marks (") before and after the search word, e.g. "word", will allow for exact matches.

In case of multiple search, please use ADVANCED SEARCH.
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News
12 OCTOBER 2026
DC voltage - GULFMET
A new CMC in DC voltage has been published in the KCDB for Saudi Arabia via GULFMET, in the field of Electricity and Magnetism.
12 OCTOBER 2026
Inorganic analysis - SIM
2 new CMCs in inorganic analysis of food contaminants have been published in the KCDB for Mexico via SIM, in the field of Chemistry and Biology.
12 OCTOBER 2026
Supplementary comparison in dimensional metrology - EURAMET
The Final report of the supplementary comparison EURAMET.L-S2.2.n01 has been published in the KCDB. This is a comparison on gauge block calibration by mechanical comparison, piloted by the Central Office of Metrology (AS METROSERT), Estonia in which 11 state economies participated.
8 OCTOBER 2026
Frequency - COOMET
3 new CMCs in frequency have been published in the KCDB for Uzbekistan via COOMET, in the field of Time and Frequency.
Statistics
Currently in the KCDB there are
262 CIPM MRA participants
1286 key comparisons
26406 CMCs
782 supplementary comparisons