标准摘要
[中文适用范围]： 仅适用于新制造的精度等级为 0.5、1 和 2 级的感应式电度表，用于测量频率在 45 Hz 至 65 Hz 范围内的交流有功电能，并仅适用于其型式试验。本出版物取代 IEC 43 (1960)、170 (1964) 和 280 (1968)。 [外文原描述]： Applies only to newly manufactured induction type watt-hour meters of accuracy classes 0.5, 1 and 2, for the measurement of alternating current electrical active energy of a frequency in the range 45 Hz to 65 Hz and to their type tests only. This publication supersedes IEC 43 (1960), 170 (1964) and 280 (1968).
英文名称Class 0.5, 1 and 2 alternating-current watt-hour meters