The intelligent three‑phase multi‑function power meter features programmable measurement, display, digital communication and energy pulse transmitter output. It can complete electrical quantity measurement, energy metering, data display, acquisition and transmission. It is widely applied in substation automation, distribution automation, intelligent buildings, as well as internal power measurement, management and assessment for enterprises. With measurement accuracy of Class 0.2, it supports on‑site LCD display and remote RS‑485 digital communication interface adopting the MODBUS‑RTU communication protocol.