标准摘要
[中文适用范围]： 仅适用于新制造的感应式无功电度表，用于测量频率在 40 至 60 Hz 之间的无功电能，普通使用精度等级为 3.0。包含定义、机械和电气要求以及c [外文原描述]： Applicable to newly manufactured induction type var-hour meters for the measurement of reactive energy of frequency between 40 Hz and 60 Hz, of an accuracy class of 3.0 for ordinary usage, and to their type tests.
英文名称Var-hour (reactive energy) meters