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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
17 APRIL 2026
Humidity - SIM
The first CMC in humidity measurements has been published in the KCDB for Ecuador via SIM in the field of Thermometry.
17 APRIL 2026
Humidity - EURAMET
A new CMC in humidity measurements has been published in the KCDB for Türkiye via EURAMET in the field of Thermometry.
15 APRIL 2026
Key comparison in fluid flow - APMP
The Final report of the key comparison APMP.M.FF-K3.2020 has been approved and published in the KCDB. This is a comparison on air speed measurements using an ultrasonic anemometer as transfer standard in the field of Mass and related quantities in which seven state economies participated.
15 APRIL 2026
Key comparison in gases - CCQM
The Final report of the key comparison CCQM-K82.2023 has been approved and published in the KCDB. This is a comparison on the determination of amount fraction of methane in air in the field of Chemistry and biology in which 12 state economies participated.
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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
1266 key comparisons
26405 CMCs
769 supplementary comparisons