1. Metrology organization and connection chain

When setting up an electrical metrology reference laboratory as part of a connection chain, it is essential, as in other fields, to comply with rules and requirements that demonstrate the traceability of its references to the International System of Units (SI). Upstream of this connection chain, the national metrology institutes (NMIs) are responsible for establishing national measurement standards and disseminating them to users by means of successive calibrations as part of this connection chain. The NMI is also responsible for carrying out the international comparisons required to demonstrate the international equivalence of these national standards. Dissemination at national level is carried out within the framework of a strictly regulated accreditation system.

The following paragraphs set out the general framework within which a metrology laboratory must operate:...

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Metrology organization and connection chain

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Metrology laboratory infrastructure

Bibliography

(1) - TAYLOR (B.N.) - Guide for the Use of the International System of Units (SI) - NIST Special Publication 811 (1995).
(2) - BESSASON (B.) et al - Vibration criteria for metrology laboratories - Meas. Sci. Technol. 10, 1009-1014 (1999)....

Standards and norms

Installations électriques à basse tension. Règles. - NF C 15-100 - 1991
Enceintes et conditions d'essai. Températures préférentielles d'essai. - X 15-050 - 1991
Métrologie. La fonction métrologique dans l'entreprise. - NF X 07-010 - 1986
Atmosphères normales de conditionnement et/ou d'essai. Spécifications. - ISO 554 - 1976
Conception des Installations électriques. - EN 50160 - 2000

Regulations

European Electromagnetic Compatibility Directive 89/336/EEC.

Directives concerning personal safety: Low Voltage 73/23/EEC and Machinery 93/44/EC and 93/68/EC.

Mutual recognition of national measurement standards and of calibration and measurement certificates issued by national metrology institutes Paris, October 14, 1999. Technical supplement revised in October 2003,...