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Verification of low-μ indicator standard inserts Cover

Verification of low-μ indicator standard inserts

By: Michal Ulvr and  Josef Kupec  
Open Access
|Dec 2018

Abstract

The low-μ indicator is used for testing the relative magnetic permeability of weights. This paper presents a simple method for verifying the Low-Mu indicator standard inserts value, using a simulation of the weights by a coil standard of magnetic flux density of known length, number of turns and current value through the coil. The results of measurements of the set of standard inserts and the measurement uncertainty are also discussed. The method presented here can be used for standard inserts with a susceptibility value of up to 0.2 with expanded uncertainty of 8%.

DOI: https://doi.org/10.2478/jee-2018-0068 | Journal eISSN: 1339-309X | Journal ISSN: 1335-3632
Language: English
Page range: 435 - 437
Submitted on: Feb 13, 2018
Published on: Dec 31, 2018
Published by: Slovak University of Technology in Bratislava
In partnership with: Paradigm Publishing Services
Publication frequency: 6 issues per year

© 2018 Michal Ulvr, Josef Kupec, published by Slovak University of Technology in Bratislava
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.