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CIPM MRA PARTICIPANTS
All data listed in the KCDB have been reviewed and approved within the CIPM Mutual Recognition Arrangement
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CIPM MRA PARTICIPANTS
CMC statistics
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
28 JULY 2025
Key comparison in Thermometry - Realizations of local scales of dew-point temperature
The final report and results of the key comparison CCT-K8 have been published in the KCDB. This is a comparison of realizations of local scales of dew-point temperature piloted by Instituto Nacional de Técnica Aeroespacial (INTA), Spain, in which 9 state economies participated.
25 JULY 2025
Temperature - APMP
5 revised CMCs in temperature measurements have recently been published in the KCDB for South Korea via APMP, in the field of Thermometry.
23 JULY 2025
Temperature - APMP
6 new CMCs in temperature measurements have been published in the KCDB for Malaysia via APMP, in the field of Thermometry.
23 JULY 2025
Radio frequency measurements - APMP
1 revised CMC in radio frequency measurements has been published in the KCDB for South Korea via APMP, in the field of Electricity and Magnetism.
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Statistics
AFRIMETS APMP COOMET EURAMET GULFMET SIM
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Currently in the KCDB there are
257 CIPM MRA participants
1232 key comparisons
26341 CMCs
742 supplementary comparisons