GB/T 20919-2007

Abolished

External micrometer with electronic digital display

电子数显外径千分尺

Standard Type
GBT
ICS
17.040.30
CCS
J42
Status
Abolished
Issue Date
2007-04-30
Implementation
2007-10-01
Centralized Committee
中国机械工业联合会
Issuing Authority
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

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 define the accuracy, resolution, and performance criteria for these precision measurement tools used for external dimension inspection.

Related Standards

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.