Standard

IEC 61788-4:2007 ED2

Apr 2007 Revised

Note: Latest version: IEC 61788-4:2020 ED5

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Abstract

This part of IEC 61788 covers a test method for the determination of the residual resistance ratio (RRR) of a composite superconductor comprised of Nb-Ti filaments and Cu, Cu-Ni or Cu/Cu-Ni matrix. This method is intended for use with superconductors that have a monolithic structure with rectangular or round cross-section, RRR less than 350, and cross-sectional area less than 3 mm2. All measurements are done without an applied magnetic field. This second edition cancels and replaces the first edition published in 2001. It constitutes a technical revision. The main revisions are the replacement of "accuracy" by "uncertainty" and a change in Figure 1, where the relationship between temperature and voltage is changed to the relationship between temperature and resistance.

Products specifications

Standard from IEC
Published: April 24 2007
Withdrawn: July 11 2011
Edition: 2
Document type: IS
Pages
ISBN: 2831890934

Publisher: IEC
Distributor: IEC
ICS: 17.220.20
ICS: 29.050
International TC: TC 90

Product Relations

Revised by: IEC 61788-4:2011 ED3
Revises: IEC 61788-4:2001 ED1

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IEC 61788-4:2001 ED1
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IEC 61788-4:2007 ED2
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IEC 61788-4:2007 ED2

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