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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
13 JANUARY 2026
Chemistry - SIM
16 revised CMCs in gases and inorganic measurement analysis have recently been published in the KCDB for Peru and United States via SIM, in the field of Chemistry and biology.
13 JANUARY 2026
Fluid flow - EURAMET
1 new CMC in fluid flow measurement has recently been published in the KCDB for Slovenia via EURAMET, in the field of Chemistry and biology.
13 JANUARY 2026
Key comparison in automotive emission gases - CCQM
The Final report of the key comparison CCQM-K3.2019.1 has been approved and published in the KCDB. This is a comparison on automotive emission gases in the field of Chemistry and biology linked to CCQM-K3.2019 in which 2 state economies participated.
13 JANUARY 2026
Key comparison for abundance of ozone in dry air - CCQM
The Final report with new results issued from the continuous BIPM.QM-K1 comparison has recently been published in the KCDB, including the results from CHMU/CHMI (Czechia) in September 2025. This comparison underpins the determination of the concentration of ozone in air, a current health issue linked to air pollution.
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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
1262 key comparisons
26505 CMCs
766 supplementary comparisons