GB/T 22058-2008Microscopes -- Marking of stereomicroscopes (English PDF)
显微镜 体视显微镜的标志
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Issued by
Standardization Administration of China
Level / Type
National · Recommended
Issue date
June 20, 2008
Implementation date
January 1, 2009
Scope
GB/T 22058-2008 is the English-translated version of 显微镜 体视显微镜的标志.
GB/T 22058-2008 — This standard specifies the stereomicroscope include operating microscope flag format information of the optical characteristics, etc., are given an additional letter of recommendation Interest flags.
The logo on the microscope 2 Flag microscope body is as follows. a) the manufacturer's name or trademark; b) manufacturing country; c) the model name or type; d) manufacturer's serial number.
3 interchangeable lens or convertible mark on no mandatory flag 1.0 × magnification factor on a fixed lens, but the lens must sign the supplemental magnification factor.
Table 1 The optical properties of the type of mark or sign example shows the contents A 0.5 × magnification factor for the operation of the microscope if the focal length of the flag or working distance and are given in the instructions for use the total magnification table, then this is not the force flag Working distance (WD) free working distance (mm) WD = 185mm for microscope operation, marking the working distance is sufficient Enough A magnification factor additional objective is to change the stereo microscope total magnification factor.
Magnification factor interchangeable objective lens or may be converted or convertible are interchangeable objective lens magnification stereomicroscope with standard stereo microscope objective lens (magnification factor of 1.0 ×) magnification ratio of.
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Document preview — GB/T 22058-2008
National Standard of the People's Republic of China
- ICS
- 37.020
- Classification
- N 32
Issued by: Standardization Administration of China
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the stereomicroscope optical characteristics and other information on the logo format gives the recommended additional information signs.
Document data
International classification (ICS): 37.020.
Chinese classification (CCS): N32.
Estimated length of the Chinese original: 5,590 words.
Adopted international standard: ISO 11883-1997, MOD.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 4 pages — is available in the English PDF.
Referenced standards
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