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Describe secondary workings, primary standards, secondary standards and and international units

Describe secondary workings, secondary standards, primary standards and international units

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International units: are units researched on and agreed upon by the international bureau of weights and measurements

Primary standards: These are fundamental units that can stand on their own without depending on others eg mass, time,length

Secondary standards: These are the basic reference standards used in industrial measurement labs

Working standards: Are standards used to check and calibrate general laboratory instrument for their accuracy and performance
23454 answered the question on June 28, 2018 at 10:35

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