GB/T 21389-2008
ActiveVernier, dial and digital display calipers
游标、带表和数显卡尺
Application Summary AI generated
This standard specifies the terminology, classification, technical requirements, inspection methods, and marking for vernier, dial, and digital display calipers. It is applied in manufacturing and quality control settings for measuring linear dimensions, such as external and internal diameters, depths, and steps, with specified accuracy classes. The standard ensures consistency and reliability in dimensional measurements across industries like machinery, automotive, and aerospace.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.