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
7 MAY 2026
Temperature - APMP
A new CMC in temperature measurements has been published in the KCDB for China via APMP, in the field of Thermometry.
6 MAY 2026
Supplementary comparison in temperature scale realisation - EURAMET
The Final report of the supplementary comparison EURAMET.T-S7 has been published in the KCDB. This is a comparison of measurement parameters required in radiance temperature scale realisation, between Istituto Nazionale di Ricerca Metrologica (INRIM), Italy and TÜBITAK Ulusal Metroloji Enstitüsü (UME), Türkiye.
5 MAY 2026
Vibration - SIM
4 new CMCs in vibration measurements have been published in the KCDB for the United States via SIM, in the field of Acoustics, Ultrasound and Vibration.
5 MAY 2026
Properties of materials - SIM
A new CMC in the measurement of properties of materials has been published in the KCDB for Brazil via SIM, in the field of Photometry and Radiometry.
Statistics
Currently in the KCDB there are
258 CIPM MRA participants
1268 key comparisons
26398 CMCs
770 supplementary comparisons