GB/T 6321-2004
Spring-optical measuring heads (English Version)
- Standard No.
- GB/T 6321-2004
- Language
- Chinese, Available in English version
- Release Date
- 2004
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 6321-2004
- Replace
- GB/T 6321-1986
- Scope
- This standard specifies the terms and definitions, types and basic parameters, requirements, inspection methods, marking and packaging of optical torsion spring micrometers (hereinafter referred to as "micrometers"). This standard applies to micrometers with division values of 0.1 μm, 0.2 μm, 0.5 μm and 1 μm, indication range of ±100 scale divisions, and clamping sleeve diameter of 28 mm.
GB/T 6321-2004 history
- 2004 GB/T 6321-2004 Spring-optical measuring heads
- 1986 GB/T 6321-1986 Spring-optical measuring heads,opticators
