[VIM3] 5.5 secondary measurement standard

secondary standard
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measurement standard established through calibration with respect to a primary measurement standard for a quantity of the same kind


NOTE 1 Calibration may be obtained directly between a primary measurement standard and a secondary measurement standard, or involve an intermediate measuring system calibrated by the primary measurement standard and assigning a measurement result to the secondary measurement standard.

NOTE 2 A measurement standard having its quantity value assigned by a ratio primary reference measurement procedure is a secondary measurement standard.



2 Measurement