适用范围 Application

D0S8777系列单相电子式RS485通讯电能表采用微处理器、低功耗大规模集成电路技术和SMT制造工艺设计制造的，具有测量精度准确、性能稳定可靠、显示直观等优点，设计采用专用液晶LCD, 具有正、反双向计量电能，有一 定防窃电能力，适用于测量参比电压为220V参比频率为50Hz单相有功电能。

DDS8777 series single-phase electronic watt-hour meter adopts the latest MPU and low-power consumption large-scale integrated circuit technology as well as SMT technology, it has many features such as high accuracy, high stability, visible display, adopts LCD, can measure electric energy positively and negatively, and has ab山ty of anti-electricity theft, is suitable for measuring AC single-phase active energy of reference voltage 220V and reference frequency 50Hz.