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CIPM MRA PARTICIPANTS
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CIPM MRA PARTICIPANTS
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.

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News
11 JUNE 2026
Supplementary Comparison in time scale difference - GULFMET
The final report of the comparison GULFMET.TF-S2 has been published in the KCDB. This is a comparison of time scale difference in the field of Time and Frequency, piloted by SASO-NMCC, Saudi Arabia in which 6 state economies participated.
10 JUNE 2026
METROLOGY AREA - RMO
3 new CMCs in fluid flow measurements have been published in the KCDB for Czechia via EURAMET, in the field of Mass and related quantities.
9 JUNE 2026
Density - SIM
The first CMC in density measurements has been published in the KCDB for Costa Rica via SIM, in the field of Mass and related quantities.
9 JUNE 2026
Key comparison in dimensional metrology - EURAMET
The Final report of the key comparison EURAMET.L-K3.n01 has been published in the KCDB. This is a comparison on angle measurements in the field of Length piloted by Istituto Nazionale di Ricerca Metrologica (INRIM), Italy in which 21 state economies participated.
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Statistics
AFRIMETS APMP COOMET EURAMET GULFMET SIM
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Currently in the KCDB there are
259 CIPM MRA participants
1274 key comparisons
26281 CMCs
771 supplementary comparisons