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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.

In case of multiple search, please use ADVANCED SEARCH.
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News
22 MAY 2026
Key Comparison of Air Kerma for Cs-137 – BIPM
New results issued from the continuous key comparison BIPM.RI(I)-K5 have been published in the KCDB, including results obtained with Government Office of the Capital City Budapest (BFKH), Hungary. This is a comparison of the measurement of air kerma for Cs-137.
21 MAY 2026
Chemistry - APMP
2 new CMCs in organic and electrochemical analysis have been published in the KCDB for Hong Kong, China and Singapore via APMP, in the field of Chemistry and Biology.
20 MAY 2026
Sound in air - EURAMET
A new CMC in the measurement of sound in air has been published in the KCDB for France via EURAMET, in the field of Acoustics, Ultrasound and Vibtration.
20 MAY 2026
Temperature - APMP
4 new CMCs in temperature measurements have been published in the KCDB for China, via APMP, in the fied of Thermometry.
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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
1268 key comparisons
26405 CMCs
770 supplementary comparisons