This part of GB/T 22264 specifies the terminology, product classification, classification and compliance, technical requirements, packaging, storage and transportation, information, general signs and symbols, signs and symbols of terminals for mounted digital display ammeters and voltmeters ,testing regulations. This section applies to mounted ammeters and voltmeters with digital display, and also applies to the digital display part of ammeters and voltmeters with analog/digital dual displays. This section does not apply to: — Ammeters and voltmeters that only have direct acting analog indications. ——Portable digital display ammeter and voltmeter. ——There are other special-purpose instruments with national standards (or industry standards).
GB/T 22264.2-2008 Referenced Document
GB/T 22264.1-2008 Fixed digital electric measuring instruments—Part 1:Definitions and general requirements common to all parts*, 2009-03-01 Update
GB/T 22264.2-2008 history
2022GB/T 22264.2-2022 Mounted digital display electric measuring instruments—Part 2:Special requirements for ammeters and voltmeters
2008GB/T 22264.2-2008 Mounted digital display electric measuring instruments.Part2:Special requirements for ammeters and voltmeters