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Welcome to the BIPM website

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Forthcoming meeting

From 21 to 25 May 2012
26th meeting of the CCT
[ Full list of meetings ]

Databases

Direct access

• BIPM METROLOGY PORTAL
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FUNDAMENTAL CONSTANTS

Introduction

Sèvres,

The task of the BIPM is to ensure world-wide uniformity of measurements and their traceability to the International System of Units (SI).

It does this with the authority of the Convention of the Metre, a diplomatic treaty between fifty-six nations, and it operates through a series of Consultative Committees, whose members are the national metrology laboratories of the signatory States, and through its own laboratory work.

The BIPM carries out measurement-related research. It takes part in, and organizes, international comparisons of national measurement standards, and it carries out calibrations for Member States.

BIPM Events

CODATA Task Group on Fundamental Constants (TGFC)

Highlights


	Sunday 20 May is World Metrology Day! : This year, the theme is "Metrology for Safety" – a wide-ranging topic but one which concerns everyone in a multitude of situations. We invite you to download the promotional poster and other material from the World Metrology Day website, and to register your own event. – See www.worldmetrologyday.org New Associate of the CGPM: Oman : As of 8 May 2012, Oman is an Associate of the CGPM. – See also: How to become an Associate New Member State: Tunisia : The BIPM is pleased to announce that the Republic of Tunisia, which has been an Associate of the CGPM since October 2007, acceded to the BIPM on 1 February 2012, bringing the number of Member States to 56. – How to become a Member of the BIPM Two-year secondment: Executive Secretary of the JCRB : Note that formal applications should be addressed to the Director of the BIPM through the applicant's NMI Director. – Closing date for applications: 15 May 2012 Publication of JCGM 200:2012 : This corrected version of the 3rd edition of the VIM cancels and replaces JCGM 200:2008. – International Vocabulary of Metrology – Basic and General Concepts and Associated Terms International School of Physics "Enrico Fermi": Metrology and Physical Constants : Applications for the Varenna Summer Schools are now open. Course CLXXXV – "Metrology and Physical Constants", co-directed by E. Bava (INRIM) and M. Kühne (BIPM) – will run from 17-27 July 2012. – Closing date for applications: 5 May 2012 [ See more highlights ]

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