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Title: Establishing Traceability For A High Performance AC/DC Transfer Standard
Author: Les Huntley
Source: 1990 Measurement Science Conference
Year Published: 1990
Abstract: of new, high accuracy alternating voltage DMMs and calibrators in the past few years has presented the electronirs test equipment industry with the challenge of supporting their accuracy. A group at Fluke was tasked with developing an AC/DC Transfer Standard having uncertainties of about +/- 10 ppm at moderate levels and frequencies, an accuracy which results in a ratio of product specification to NIST uncertainty of about 2:l. A major challenge was to develop and communicate a credible calibration system to support this product. Rigorous application of statistical principles to successive intercomparisons of nearly identical artifacts had already been proven capable of maintaining a Direct Voltage Standard within a few parts in 100 million of the 10 volt standard maintained at NIST, a ratio of about 1.2:1. This paper describes the system which was developed to support traceable calibration of this new AC/DC Transfer Standard through application of these proven statistical techniques.

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