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Calibration system for AC measurement standards using a pulse-driven Josephson voltage standard and an inductive voltage divider

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4 Author(s)
Thomas Hagen ; National Measurement Institute, Australia, Bradfield Rd, Lindfield, NSW 2070, Australia ; Ilya Budovsky ; Samuel P. Benz ; Charles J. Burroughs

A pulse-driven ac Josephson voltage standard (ACJVS) has been set up at the National Measurement Institute, Australia (NMIA) with the assistance from the National Institute of Standards and Technology (NIST). The ACJVS forms the basis of a high precision calibration setup for ac measurement standards at audio frequencies. The ACJVS can presently produce up to 100 mV. A precision inductive voltage divider increases the measurement range to 100 V at frequencies from 57 Hz to 1 kHz. Preliminary measurements conducted on a thermal transfer standard and a voltmeter show agreement with the conventional calibration within its uncertainties.

Published in:

Precision Electromagnetic Measurements (CPEM), 2012 Conference on

Date of Conference:

1-6 July 2012