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The three-phase four-wire prepaid smart energy meter is a modern and advanced instrument designed and manufactured based on the actual power consumption conditions of industrial users, which adopts large-scale integrated circuits, digital sampling processing technology and SMT process. The performance indicators of this meter comply with GB/T 17215.321-2021 Special Requirements for Electrical Measuring Equipment (AC)-Part 21: Static Active Energy Meters (Class A, Class B, Class C, Class D and Class E), and GB/T17215.323-2022 Special Requirements for Electrical Measuring Equipment (AC)-Part 23: Static Reactive Energy Meters (Class 2 and Class 3). In accordance with the requirements of IEC62053-21 and IEC62053-2 standards, it can be customized according to functional requirements to meet all technical requirements of multi-functional energy meters.
