The "Haosheng" three-phase electronic LCD display energy meter, hereinafter referred to as the energy meter, is a new type of smart meter developed and produced by our company using advanced international microelectronic chips. The electric energy meter uses the PL3000 series microprocessor as its core, with carrier communication and relay control functions; The measurement adopts a dedicated three-phase energy metering chip; Electric energy meters have the characteristics of high integration, accurate measurement, fast speed, and low power consumption. The performance indicators of the electric energy meter comply with the requirements of GB/T 17215-2002 (IEC61036) and GB/T 15284-2002, and the carrier performance indicators comply with the power industry standard DL/T 698-1999. The electric energy meter is stable and reliable, with high measurement accuracy, LCD display, easy installation and many other characteristics, especially suitable for three-phase electricity users' electric energy measurement; Equipped with a built-in three-phase magnetic holding relay for direct power-off control.