適用范圍Application

DTSF8777、D8S8777系列三相四線、三相三線電子式多費率電能表用于測量三相四線和三相三線的有功電能，它采用微處理器技術和精度寬量程數字化電能計量芯片，設計具有高精度、寬量程、穩定性高、低功耗。結構端莊穩重，采用專用LCD或高亮度專用LED顯示，以及元器件生產，從而電能表使用壽命長，免維護，抄表方便。該產品能正反向雙向計量，具有 定防止反接竊電能力，并提供脈沖輸出，方便用戶檢測，是國家推行分時電價政策的產品。

DTSF8777、DSS8777series three-phase four-wire, three-phase three-wire electronic multi-tariff watt-hour meter can be used for measuring active energy at three-phase four-wire system and three-phase three-wiresystem. It adopts the latest MPU technology and digital energy measurement chip of high accuracy and wide range, it has many features such as high accuracy, wide range, high stability, low power consumption and graceful appearance. Because LCD or LED and military components are used, it is characterized with long service life, free maintenance and convenient meter reading. It can measure positively and negatively, and has ability of anti-electricity theft and pulse output, to take convenience for detecting. It is the first selection product for implementing national time -sharing electricity price policy.