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
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.
8 OCTOBER 2026
Dimensional metrology - EURAMET
A revised CMC in dimensional metrology has been published in the KCDB for the United Kingdom via EURAMET, in the field of Length.
8 OCTOBER 2026
Organic analysis - COOMET
A revised CMC in organic analysis has been published in the KCDB for the Russian Federation via COOMET, in the field of Chemistry and Biology.
8 OCTOBER 2026
Dimensional metrology - EURAMET
A new CMC in dimentional metrology has been published in the KCDB for Serbia via EURAMET, in the field of Length.
Statistics
Currently in the KCDB there are
262 CIPM MRA participants
1285 key comparisons
26403 CMCs
782 supplementary comparisons