GB/T 22264.3-2022 Active

This document specifies the product classification, grading, and compliance of installed digital display power meters and reactive power meters, technical requirements, information, general logos and symbols, inspection rules, and packaging, storage, and transportation. This document applies to newly manufactured installed digital display power meters and reactive power meters used in power distribution systems with a nominal frequency of 50 Hz or 60 Hz, operating at voltages below 750 V DC and 690 V AC, as well as to the digital display sections of power meters and reactive power meters with analog/digital dual displays. This document does not apply to: -- Power meters and reactive power meters with only direct-acting analog indicators; -- Portable digital display power meters and reactive power meters; -- Power meters and reactive power meters for special purposes that are subject to separate national standards (or industry standards). Note: In this document, "meters" refer to digital display power meters and digital display reactive power meters.