User login
Welcome to the COOMET Communication Platform!
www.coomet.net provides general information on metrology within the region, news, events, contacts, documents, country profiles, photos, videos, and online training.
You may also visit our database website for COOMET members, with thousands of documents, in particular CIPM MRA related databases: DB CMC and DB Comparisons and Calibrations www.coomet.org
Redefinition of SI based units
The International system of Units (SI) includes seven base units: the metre, the kilogram, the second, the ampere, the kelvin, the mole, and the candela, forming a foundation around which cooperation and collaboration on a global scale can take place. The SI units have been under constant improvement since the 17th Century when a committee of the French Academy of Sciences introduced the first unified measurement system based on the artefacts for the metre and the kilogram. Recent advances...
