EN 60521 : 95 CORR 97被替代
CLASS 0,5, 1 AND 2 ALTERNATING-CURRENT WATTHOUR METERS
出版：European Committee for Standards - Electrical
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基本信息
標準編號： EN 60521 : 95 CORR 97
標準類別：Standard
出版單位：European Committee for Standards - Electrical
標準頁數：0
標準簡介
Applies to newly manufactured induction-type watthour 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. Applies to the assembly of meters and accessories, including current transformers, when enclosed in the metercase. Does not apply to any kind of measuring device.
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