Except where otherwise indicated, all the contents of this site are copyright © 2019 of COOMET. The information contained on this website may be freely used and copied for personal use and for educational or non-commercial purposes, provided that any reproduction of data is accompanied by an acknowledgement of the COOMET web portal as source. Any other use, reproduction or modification of the content is not permitted.


The above does not apply to the pages and images with a copyright explicitly reserved by another legal owner. Reproduction of such material requires prior authorization from the author.


The COOMET logo and other logos available on this site may not be used to falsely indicate or imply a connection or association with the organizations or companies they relate to. No use of any of these logos may be made without the prior, written authorization of the owners of the site.




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By entering this site you acknowledge and agree to all terms and conditions stated herein. This website is the joint property of COOMET.

This website has been developed with the financial support of the Physikalisch-Technische Bundesanstalt (PTB), the German Federal Metrology Institute, Braunschweig, Germany, in the year of

2010. The content of this website is the sole responsibility of COOMET and does not necessarily reflect the views of PTB, nor does it involve any responsibility on their part.




The contents of this website are for general information purposes only and are not intended to be relied on by any user for any purpose. The information on this website is provided on an ‘as is’ basis. Changes may be made to the information at any time, without notice. To the fullest extent permitted by law, the Euro-Asian Cooperation of National Metrology Institutions (COOMET)


  • excludes all representations and warranties relating to this website and its content, including in relation to any inaccuracies or omissions in this website;
  • excludes all liability for any loss, damage or injury arising out of or in connection with your use of this website.


This website provides hyperlinks or references to other sites or servers. Such links imply, on behalf of the Euro-Asian Cooperation of National Metrology Institutions (COOMET), neither responsibility for, nor approval of, the information contained in those other websites.

Last Update: 08.04.2024 | Disclaimer & Copyright | Print-Version
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