Three phase three wire multifunctional energy meter

How to wire a three-phase three wire multifunctional electric meter? How to read a three-phase three wire multifunctional electricity meter? What are the brands of three-phase three wire multifunctional electric meters?

The Qingdao Electric Energy Meter DTSD2026 electronic three-phase four wire all electronic multifunctional electric energy meter of Qingdu brand is a modern and advanced instrument designed and manufactured using large-scale integrated circuits, digital sampling processing technology, and SMT technology according to the actual electricity consumption of industrial users. The performance indicators of this table comply with GB/T