NIST publishes 2001 Edition of SP 330. (News Briefs).The 2001 Edition of NIST Special Publication 330, The International System of Units International System of Units, officially called the Système International d'Unités, or SI, system of units adopted by the 11th General Conference on Weights and Measures (1960). It is based on the metric system. (SI), is now available. SP 330 is the U.S. version of the English text of the seventh edition (the most recent) of the definitive international reference on the SI, the modem metric system, published in 1998 by the International Bureau of Weights and Measures The International Bureau of Weights and Measures is the English translation of the name of the Bureau international des poids et mesures (BIPM), a standards organisation, one of the three organisations established to maintain the International System of Units (SI) (BIPM). The 2001 Edition of SP 330 also incorporates Supplement 2000: Additions and Corrections to the 7th Edition published by the BIPM in June 2000. The main body of NIST SP 330 gives the essentials of the current form of the SI. However, Appendix 1 provides the resolutions, recommendations, and declarations put forward on units of measurement Units of measurement Values, quantities, or magnitudes in terms of which other such are expressed. Units are grouped into systems, suitable for use in the measurement of physical quantities and in the convenient statement of laws relating physical quantities. and on the SI since 1889 by the General Conference on Weights and Measures The General Conference on Weights and Measures is the English name of the Conférence générale des poids et mesures (CGPM, never GCWM). It is one of the three organizations established to maintain the International System of Units (SI) under the terms of the Convention and the International Committee for Weights and Measures The International Committee for Weights and Measures is the English name of the Comité international des poids et mesures (CIPM, sometimes written in English Comité International des Poids et Mesures). . Further, Appendix 2 summarizes the current state of the practical realization of some important SI units. Appendix 3 gives a brief description of the governing bodies established by the Meter Convention, which was signed in Paris on May 20, 1875, by 17 nations including the United States. Single copies of NIST SP 330 may be obtained from the NIST Metric Program, (301) 975-3690; email: metric_prg@nist.gov. NIST SP 330 is also available online at http://physics.nist.gov/cuu. CONTACT: Barry Taylor, (301) 975-4220; barry.taylor@nist.gov. |
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