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IEVref:112-01-22ID:
Language:enStatus: Standard
Term: coherent system of units
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Definition: system of units, based on a given system of quantities, in which the unit of measurement for each derived quantity is a coherent derived unit

NOTE 1 – A system of units can be coherent only with respect to a system of quantities and the adopted base units.

NOTE 2 – For a coherent system of units, numerical value equations have the same form, including numerical factors, as the corresponding quantity equations.

NOTE 3 – An example of coherent system of units is the set of coherent SI units with the relations between them.


Publication date:2010-01
Source:ISO/IEC GUIDE 99:2007 1.14
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