EVOLUTION OF THE ITALIAN NATIONAL STANDARD OF INDUCTANCE

Luca Callegaro, Gian Carlo Bosco, Franco Cabiati, Vincenzo D’Elia

Abstract

The realization of inductance unit and scale at the Istituto Elettrotecnico Nazionale Galileo Ferraris (IEN), the Italian national metrology institution, has evolved during the last 35 years. An historical survey of realization and dissemination methods, and a graphical analysis of the stability of the mantained national inductance standard, is here reported. Results confirm the high stability of artifact standards.

Keywords

inductance, measurement units, impedance measurement, bridge circuits

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PWC-2006-TC4-002u.pdf

DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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