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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
29 MAY 2026
Supplementary comparison - COOMET
The Final report of the supplementary comparison COOMET.T-S6 has been published in the KCDB. This is a comparison of combustion energy of pure organic substances piloted by D.I. Mendeleyev Institute for Metrology, Rosstandart (VNIIM), Russian Federation with participants from 3 state economies.
29 MAY 2026
Key comparison in volume - SIM
The Final report and results of the key comparison SIM.M.FF-K4.1.2017 have recently been published in the KCDB. This is a comparison of calibration of glassware and volume devices, coordinated by Centro Nacional de Metrologia (CENAM), Mexico with participants from 11 state economies.
29 MAY 2026
Thermometry - APMP
3 new CMCs in temperature and humidity measurements have been published in the KCDB for Hong Kong, China and Singapore via APMP, in the field of Thermometry.
26 MAY 2026
Properties of materials - SIM
2 revised CMCs in properties of materials have been published in the KCDB for Brazil via SIM, in the field of Photometry and Radiometry.
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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
1269 key comparisons
26408 CMCs
770 supplementary comparisons