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Establishing traceability
for a high-performance
ac/dc transfer standard
Application Note

Abstract
Introduction of new, high-accuracy alter- communicate a credible calibration system
nating voltage DMMs and calibrators in to support this product. Rigorous applica-
the past few years has presented the tion of statistical principles to successive
electronics test equipment industry with intercomparisons of nearly identical arti-
the challenge of supporting their accuracy. facts had already been proven capable
A group at Fluke was tasked with devel- of maintaining a Direct Voltage Standard
oping an ac/dc transfer standard having within a few parts in 100 million of the
uncertainties of about