Single-phase 485 electronic energy meter

The single-phase 485 electronic energy meter is manufactured using dedicated large-scale integrated circuits and SMT production technology. It features high accuracy, high reliability, high overload capacity, low power consumption, compact size, and lightweight design. It is suitable for measuring single-phase AC active energy with a rated frequency of 50Hz.
Functions and Features

Capable of bidirectional measurement of active energy, with LCD display;

Equipped with RS-485 and infrared communication (optional), facilitating remote reading of energy consumption;

Supports setting or retrieving parameters such as total energy consumption, meter constant, and meter address;

The chip includes a watchdog system for enhanced data security and reliability, with long-term data retention during power outages;

Isolated power supplies provide reliable operating power for the CPU, metering section, and RS-485 interface respectively;

Communication protocol complies with the DL/T645-1997 "Multifunction Electricity Meter Communication Protocol" standard of the People's Republic of China's power industry;

This meter is suitable for ambient temperatures ranging from 30°C to 70°C and relative humidity not exceeding 85%.