BS 89:1977
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for direct acting indicating electrical measuring instruments and their accessories
Hardcopy , PDF
31-08-1990
English
30-06-1978
Applies to ammeters, voltmeters, single-phase and polyphase wattmeters, varmeters, phasemeters, power factor meters, frequency meters and ohmmeters, for direct and alternating current.
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