GB/T 22264.4-2022
Mounted digital display electric measuring instruments Part 4: Special requirements for frequency meters (English Version)

Standard No.

GB/T 22264.4-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 22264.4-2022

Replace

GB/T 22264.4-2008

Scope

This document specifies the product classification, grading and compliance, technical requirements, information, general signs and symbols, inspection rules, packaging, storage and transportation of mounted digital display frequency meters. This document applies to newly manufactured frequency meters with digital display for installation in power distribution systems with a nominal frequency of 50 Hz or 60 Hz up to 690 V a.c., and for frequency meters with analog/digital dual display. part. This document is not applicable to: -- frequency meters with direct analog indication only; -- portable frequency meters with digital display; -- special-purpose frequency meters with other national standards (or industry standards)

GB/T 22264.4-2022 Referenced Document

• GB/T 22264.1-2022 Mounted digital display electric measuring instruments—Part 1：Definitions and general requirements common to all parts

GB/T 22264.4-2022 history

• 2022 GB/T 22264.4-2022 Mounted digital display electric measuring instruments Part 4: Special requirements for frequency meters
• 2008 GB/T 22264.4-2008 Mounted digital display electric measuring instruments.Part4:Special requirements for frequency meters

GB/T 22264.4-2022 -All Parts