Using AC sampling technology, it can directly or indirectly measure the power, power, voltage, current and frequency of a single-phase or three-phase power grid. It can be used for local display, and can be connected with industrial control equipment to form a measurement and control system.

The instrument can have RS-485 communication interface and adopt Modbus-RTU protocol, with analog output, relay alarm output and switch input/output.

According to different requirements, through the instrument panel button, set and control parameters such as ratio, alarm, communication.