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BS 5765(1979) : 1979 AMD 7913

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

SPECIFICATION FOR D.C. RESISTIVE VOLT RATIO BOXES

Superseded date

15-10-1993

Published date

23-11-2012

Concerns d.c. resistive volt ratio boxes with fixed ratios and rated input voltage up to 1.5 kV and a class index of 1000 parts per million or better. Relates to all equipment which is built in or is supplied by the manufacturer as an essential part of the volt ratio box. Includes sections on nominal and true voltage ratio, circuit insulation voltage, leakage current screen, electrostatic screen, ripple content, common mode voltage, influence quantity, fiducial value, error, accuracy, parasitic voltage, multiple ratio VRBs, permissible variations, effect of self heating, voltage tests and other safety requirements, insulation resistance test, limiting temperature for storage, transport and use, markings, symbols, and documentation. BS AMD 7913 RENUMBERS THIS STANDARD TO BS EN 60524

Committee
PEL/13
DevelopmentNote
Renumbered and superseded by BS EN 60524. Supersedes 78/20680 DC. (11/2005)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
IEC 60524:1975 Identical

IEC 60414:1973 Safety requirements for indicating and recording electrical measuring instruments and their accessories.
IEC 60160:1963 Standard atmospheric conditions for test purposes
IEC 60051:1973 Recommendations for direct acting indicating electrical measuring instruments and their accessories

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