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
23 JANUARY 2026
Key Comparison in Thermometry - Realization of the ITS-90
The results of the bilateral key comparison CCT-K9.2 linked to CCT-K9 have been published in the KCDB. This is a comparison of the realization of the ITS-90 from 234.315 6 K to 692.677 K between Centro Español de Metrologia (CEM), Spain and Servicio Ecuatoriano de Normalización (INEN), Ecuador.
23 JANUARY 2026
Supplementary comparison in torque - EURAMET
The Final report of the supplementary comparison EURAMET.M.T-S6 has been published in the KCDB. This is a bilateral comparison on torque measurements between Laboratoire national de métrologie et d'essais (LNE), France and Physikalisch-Technische Bundesanstalt (PTB), Germany.
20 JANUARY 2026
Chemistry - EURAMET
9 new and revised CMCs in inorganic measurement analysis have recently been published in the KCDB for Türkiye via EURAMET, in the field of Chemistry and biology
20 JANUARY 2026
Electricity and Magnetism - APMP
5 new and revised CMCs in AC and DC power, DC resistance and high voltage and current have recently been published in the KCDB for Korea and Chinese Taipei via APMP, in the field of Electricity and magnetism.
Statistics
Currently in the KCDB there are
258 CIPM MRA participants
1262 key comparisons
26504 CMCs
766 supplementary comparisons