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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
10 MARCH 2026
Key comparison in dimensional metrology - APMP
The Final report of the key comparison APMP.L-K1.n01 has been approved and published in the KCDB. This is a comparison on length measurement using gauge blocks as the transfer standard with participants from 11 state economies.
10 MARCH 2026
Key comparison in voltage - BIPM
The most recent results of the continuous key comparison BIPM.EM-K11 have been published in the KCDB including the first results obtained with the Center for Physical Sciences and Technology (FTMC), Lithuania. This is a continuous bi-lateral comparison of voltage measurements at 1 V and 10 V in the field of Electricity and Magnetism in which 28 state economies have participated.
9 MARCH 2026
Temperature - EURAMET
1 new CMC in temperature has been published in the KCDB for Bosnia and Herzegovina via EURAMET, in the field of Thermometry.
6 MARCH 2026
Temperature - APMP
2 new CMCs in temperature have been published in the KCDB for China via APMP, in the field of Thermometry.
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Statistics
AFRIMETS APMP COOMET EURAMET GULFMET SIM
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Currently in the KCDB there are
258 CIPM MRA participants
1263 key comparisons
26431 CMCs
767 supplementary comparisons