26th General Conference on Weights and Measures redefines standard definition of Kg

The 26th meeting of the General Conference on Weights and Measures (CGPM) was held from November 13-16, 2018 at Palais des Congrés, Versailles, France. The CGPM is the highest international body of the world for accurate and precise measurements.

Key Highlights

1. The International Bureau of Weights and Measures (BIPM), the main executive body of CGPM has the responsibility of defining the International System of Units (SI).
2. The revision of the SI is the culmination of many years of intensive scientific cooperation between the National Metrology Institutes (The National Physical Laboratory for India) and the BIPM.
3. The dissemination of SI units for the welfare of society and industries in the country is the responsibility of Legal Metrology, Department of Consumer Affairs, Government of India.
4. Out of five draft resolutions, the revision of the International System of Units and the definition of timescales are important.
5. The most important is the resolution on the revision of the International System of Units.
6. The definition of the seven base units namely, second, metre, kilogram, ampere, Kelvin, mole and candela has been changed from being linked to artefacts to being based on the fundamental constants on nature.

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