BS 89:1977被替代

Applies to ammeters, voltmeters, single-phase and polyphase wattmeters, varmeters , phasemeters, power factor meters, frequency meters and ohmmeters, for direct and alternating current.

© British Standards Institution 2013

Replaced by notes:
Replaced by Parts 1-9 of the new edition.

Amendment notes:
AMD 2630

BS 89-3:1990

BS 89-4:1990

BS 89-2:1990

BS 89-5:1990

BS 89-7:1990

BS 89-8:1990

BS 89-9:1990

BS 89-1:1990

IEC 60051-2 Ed. 4.0 - Similar

IEC 60051-3 Ed. 4.0 - Similar

IEC 60051-4 Ed. 4.0 - Similar

IEC 60051-5 Ed. 4.0 - Similar

IEC 60051-6 Ed. 4.0 - Similar

IEC 60051-7 Ed. 4.0 - Similar

IEC 60051-8 Ed. 4.0 - Similar

IEC 51-1 - Similar

IEC 60051 - Identical