– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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The Swiss Confederation / CIPM MRA
Lindenweg 50
CH-3003 Bern-Wabern
Tel.: + 41 58 387 01 11
Fax: + 41 58 387 02 10
Web: http://www.metas.ch/
Participating in the CIPM MRA since: 14 October 1999

Signed by: Wolfgang SCHWITZ (then Director, OFMET*)
* now METAS
  • Federal Institute of Metrology (METAS), Bern-Wabern

  • Designated institute(s):
  • For ionizing radiation: radioactivity; activity, units Bq and Bq/g: Institut Universitaire de Radiophysique Appliquée (IRA), Lausanne (from 20 September 2002)
  • For absolute humidity: dew point from –90 °C to +95 °C: MBW Calibration AG (MBW), Wettingen (from 2 May 2014)
  • For photometry and radiometry: solar irradiance, responsivity: Physikalisch-Meteorologisches Observatorium Davos and World Radiation Center (PMOD/WRC(CH)), Davos Dorf (from 20 September 2002)

  • click to go to the KCDB

    The following institutes are authorized to use the CIPM MRA logo, for the fields of measurement supported by CMCs published in the KCDB:

    METAS from 7 September 2006
    PMOD/WRC(CH) from 6 October 2008

    Member States
    Related articles
    Notice of Contributions
    Calculating Member State contributions
    List of Member States
    Signatories of the MRA
    Participation in
    keychart and supplementary comparisonschart
    Number of CMCs published per domaintable
    NMI Directors and State Representatives