3. Current measurement traceability
Metrological traceability is defined as the property of a measurement result whereby this result can be related to a reference through an unbroken, documented chain of calibrations, each of which contributes to the uncertainty of measurement.
The expression "traceability to the SI" means metrological traceability to a unit of measurement in the International System of Units, the ampere in this article.
The metrological traceability chain is the succession of standards and calibrations used to link a measurement result to a reference. Figure
21
symbolizes this succession,...
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Current measurement traceability