适用范围 Application

DDSY8777-Z型单相远程费控智能电能表（以下简称电能表）是采用大规模集成电路，应用数字采样技术，根据智能电网“信息化、 自动化、 互动化” 建设对电能表的要求而设计制造。

DDSY8777-ZSingle -phase remote cost control intelligent energy meter (here in after referred to as Energy meter) is the use of large-scaleintegrated circuits, the applicat-ion of digital sampling technology, According to the smart grid "information, automation, interactive" to build electricity To the require-ments of the design and manufacture.