适用范围Application

D0S8777系列单相电子式电能表采用超大规模专用数字电能计量芯片及SMT技术，关键元器件选用工业级元器件，大大提高了产品的可靠性和使用寿命。 产品外型端庄、稳重、结构坚固、性能优良、运行寿命长，该表还具有防窃电功能，适用于计量参比频率为50Hz或60Hz交流单相有功电能。

DDS8777 series single-phase electronic watt hour meter adopts ultra-large digital energy measurement chip and SMT technology, its key components selects that of international brand industrial class, to greatly improve the reliability and service life of product The product presents graceful appearance, firm structure,  good performance and long service life, besides, it has the function of anti-electricity theft, is suitable for measuring AC single-phase active energy of reference frequency 50Hz or 60Hz