Electricity metering equipment (a.c.) - Acceptance inspection - Part 31: Particular requirements for static meters for active energy (classes 0.2 S, 0.5 S, 1 and 2, and class indexes A, B and C) (IEC 62058-31:2008, modified); German version EN 62058-31:2010
电能计量设备(交流).验收检验.第31部分:静态有功电能表的特殊要求(0.2 S、0.5 S、1和2级以及a、B和c级指数)(IEC 62058-31-2008 修改);德文版EN 62058-31:2010