to BIPM.org
CIPM MRA PARTICIPANTS
All data listed in the KCDB have been reviewed and approved within the CIPM Mutual Recognition Arrangement
Menu
Login
CIPM MRA PARTICIPANTS
Calibration and Measurement Capabilities – CMCs
?
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.
Advanced search
Key and supplementary comparisons
?
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.
Advanced search
News
28 NOVEMBER 2025
Radioactivity - APMP
4 first CMCs in radioactivity measurements have been published in the KCDB for India, via APMP in the filed of Ionizing Radiation.
28 NOVEMBER 2025
Electricity - APMP
6 revised CMCs in electricity measurements have been published in the KCDB for the Republic of Korea, via APMP in the field of Electricity and Magnetism.
28 NOVEMBER 2025
Temperature - APMP
2 new and 1 revised CMCs in temperature measurements have been published in the KCDB for Singapore via APMP, in the field of Thermometry.
26 NOVEMBER 2025
Key Comparison of Mass standards - SIM
The Final report and results of the key comparison SIM.M.M-K6 have recently been published in the KCDB. This is a comparison of mass standards in the field of Mass and related quantities, piloted by Centro Nacional de Metrologia (CENAM) Mexico, with participants from 8 state economies.
See all news
Statistics
AFRIMETS APMP COOMET EURAMET GULFMET SIM
No content
Currently in the KCDB there are
259 CIPM MRA participants
1255 key comparisons
26524 CMCs
765 supplementary comparisons