适用范围Application

DDSY8777系列单相电子式预付费电能表各项性能指标符合GB/T18460.3-2001《预付费电度表》、GB/T17215.321-2008《1级和2级静止式交流有功电度表》标准中对单相电子式电能表的全部技术要求。

Each performance index of DDSY8777 series single phase electronic prepaid watt-hour meter conforms to standard GBfT18460.3-2001 Prepaid Watt-hour Meters, all technical requirements for single-phase electronic watt-hour meters within standard GBrr 17215.321-2008 Alternating Current Static Watt-hour Meters for Active Energy (Classes 1 and 2)