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GB/T 22058-2008 English PDF

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GB/T 22058-2008: Microscopes -- Marking of stereomicroscopes
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Basic data

Standard ID GB/T 22058-2008 (GB/T22058-2008)
Description (Translated English) Microscopes -- Marking of stereomicroscopes
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N32
Classification of International Standard 37.020
Word Count Estimation 5,515
Date of Issue 2008-06-20
Date of Implementation 2009-01-01
Adopted Standard ISO 11883-1997, MOD
Regulation (derived from) Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the stereomicroscope optical characteristics and other information on the logo format gives the recommended additional information signs.

GB/T 22058-2008: Microscopes -- Marking of stereomicroscopes

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Microscopes. Marking of stereomicroscopes ICS 37.020 N32 National Standards of People's Republic of China Microscope stereo microscope logo (ISO 11883.1997, MOD) Posted 2008-06-20 2009-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This revised standard adopts ISO 11883.1997 "microscope stereo microscope sign" (in English). This standard and ISO 11883.1997 is the main technical difference. --- With a narrative for representatives 1, and increases the trademark logo, delete the description; --- Deleted tables flag category content; --- Remove the focal length of the flag. For ease of use, this standard also made the following editorial changes. --- "This International Standard" be replaced by "this standard"; --- Delete international standards foreword. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee photon science and optics (SAC/TC103) centralized. This standard is drafted by. Shanghai Polytechnic University, Shanghai Institute of Optics instruments. Participated in the drafting of this standard. Nanjing Jiangnan Yong new Optical Co., Ltd., Guangzhou, Guangdong significantly Optical Instrument Co., Ltd., Ningbo Huaguang fine Dense Instrument Co., Ltd., Zhejiang Jiang Shunyu Group Co., Ltd., Wuzhou Oka optical instrument company, Ningbo Yongxin Optics Co., wheat Keao Di Industrial Group Co., Ltd. and Phoenix Optical Holdings Limited. The main drafters of this standard. Hu Yu, Zhang Hui Yin. This standard is the first release. Microscope stereo microscope logo

1 Scope

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 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.

4 magnification conversion flag

Table 2 The optical properties of form or content flag flag example shows The minimum and maximum magnification magnification Magnification factor or engraved Of R 0.63 × 4 × Gradual transformation of the magnification of each stage must be marked Bright. Fixed lens and a fixed eyepiece situation Under conditions to convert the total available magnification magnification Mark

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