GB/T 20919-2018
ActiveExternal micrometer with electronic digital display
电子数显外径千分尺
Application Summary AI generated
This standard specifies the terminology, requirements, testing methods, and marking for electronic digital display external micrometers. It is applied in manufacturing and quality control settings to ensure the accuracy and reliability of these precision measuring instruments used for external dimension measurement of mechanical parts.
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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.