JJG 580-2005
Focimeters (English Version)
- Standard No.
- JJG 580-2005
- Language
- Chinese, Available in English version
- Release Date
- 2005
- Published By
- National Metrological Verification Regulations of the People's Republic of China
- Latest
- JJG 580-2005
- Replace
- JJG 580-1996
- Scope
- This procedure is applicable to the initial calibration, subsequent calibration and in-use inspection of focimeters used for measuring eyeglass lenses and measuring contact lenses. The requirements for measurement performance in the type evaluation of focimeters can be implemented with reference to this procedure.
JJG 580-2005 Referenced Document
- GB 17341-1998 Optics and optical instruments--Focimeters
- ISO 9342-2:2005 Optics and optical instruments - Test lenses for calibration of focimeters - Part 2: Test lenses for focimeters used for measuring contact lenses
- JJG 2090-1994 Verification Scheme of Measuring Instruments for Vertex Power
JJG 580-2005 history
- 2005 JJG 580-2005 Focimeters
- 1996 JJG 580-1996 Verification Regulation of Focimeters
