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India adopts new standards for measuring units kilogram, kelvin, mole & ampere

India adopts new standards for measuring units kilogram, kelvin, mole & ampere

India on May 20 adopted a global resolution to redefine four of the seven base units -- kilogramme, kelvin, mole and ampere.

A resolution to redefine four of the seven base units was passed by representatives of 60 countries at the General Conference on Weights and Measures (CGPM) of the International Bureau of Weights and Measures (BIPM), Paris on November 16 last year.

The other base units are -- second, metre and candela.

Background:

Over 100 countries have adopted the metric system of measurements, also known as the International System of Units (SI), which has been in practice since 1889.

The purpose of a system units is to enable worldwide coherence of measurements. The International System of Units (SI) was formalised in 1960 and has been updated several times to account for development in measurement technology.

Impact

An updated kilogram doesn’t mean that weights everywhere will be thrown off balance.

For everyday measurements, consumers wanting to calibrate their instruments — whether it’s for high-precision drug manufacturing or retail weighing machines — will continue doing it the same way.

The National Physical Laboratory itself will be relying on the kilogram maintained in the U.S.-based National Institutes of Standards and Technology to calibrate its one-kilogram weight.

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