DDSY277 Single-phase electronic electronic prepayment energy meter
The DDSY277 Series Single-Phase Electronic Prepayment Energy Meter adopts a dedicated integrated circuit for energy measurement, and a CPU microprocessing circuit for data processing, storage, display, and electricity consumption control. Its main features include reliable performance, high accuracy, and low power consumption, along with RS485 communication, wireless communication, and prepayment functions. The product complies with the technical requirements for Class 1 energy meters specified in the standards GB/T18460.3-2001 and GB/T17215.321-2008.
It is suitable for prepayment scenarios and remote centralized meter reading & billing applications, and is designed for measuring single-phase AC active energy in power grids with a rated frequency of 50Hz. The meter is equipped with a 7-digit LCD display with backlight; the backlight turns on when the meter is powered on or a card is inserted, and remains on during the first cycle of parameter scrolling display.