GB/T 22520-2008
ActiveDial thickness gauges
厚度指示表
Application Summary AI generated
GB/T 22520-2008 specifies the technical requirements, inspection methods, and accuracy grades for dial thickness gauges used in mechanical manufacturing and quality inspection. It applies to instruments designed for measuring the thickness of sheet materials, such as metal plates, plastic films, and paper, in production environments and metrology laboratories. The standard ensures consistency in measurement performance, including repeatability and error limits, for gauges with a measuring range up to 30 mm.
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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.