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GB/T 22062-2020 PDF in English


GB/T 22062-2020 (GB/T22062-2020, GBT 22062-2020, GBT22062-2020)
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Standards related to: GB/T 22062-2020

GB/T 22062-2020: PDF in English (GBT 22062-2020)

GB/T 22062-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 37.020
N 32
Replacing GB/T 22062-2008
Microscopes - Graticules for eyepieces
(ISO 9344:2016, NEQ)
ISSUED ON: NOVEMBER 19, 2020
IMPLEMENTED ON: JUNE 01, 2021
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Requirements ... 4 
4 Marks ... 6 
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces GB/T 22062-2008 “Microscopes - Graticules for
oculars”. Compared with GB/T 22062-2008, the main technical changes in this
Standard are as follows:
- added the dimensions of Type I graticule in Table 1 (see 3.1 of this Edition);
- added the content of reference standard in Table 2 (see 3.2 of this Edition);
- deleted the footnote f in Table 2 (see 3.2 of Edition 2008).
his Part uses redrafting method to modify and adopt ISO 9344:2016
“Microscopes - Graticules for eyepieces”. The degree of consistency with ISO
9344:2016 is non-equivalent.
This Standard was proposed by China Machinery Industry Federation.
This Standard shall be under the jurisdiction of National Technical Committee
on Optics and Photonics of Standardization Administration of China (SAC/TC
103).
The drafting organizations of this Standard: Ningbo Zhanjing Optical Instrument
Co., Ltd., Wuzhou Oka Optical Instrument Co., Ltd., Nanjing Donglilai
Photoelectric Industrial Co., Ltd., University of Shanghai for Science and
Technology, Ningbo Yongxin Optical Co., Ltd., Ningbo Teaching Instrument Co.,
Ltd., McAudi Industrial Group, Guangzhou Yuexian Optical Instrument Co., Ltd.,
Ningbo Sunny Instrument Co., Ltd., Nanjing Jiangnan Yongxin Optical Co., Ltd.,
Ningbo Huaguang Precision Instrument Co., Ltd.
Main drafters of this Standard: Xiong Shouyu, Zhang Tao, Hong Yiping, Huang
Weijia, Zhang Huixian, Mao Lei, Wang Guorui, Zhang Guangwei, Xu Tao, Hu
Senhu, Li Xi, Xu Liming.
Version of standard substituted by this Standard is:
- GB/T 22062-2008.
Microscopes - Graticules for eyepieces
1 Scope
This Standard specifies the dimensions of cross graticule used for
measurement and comparison in microscopes, inspection of allowable material
defects and faults, marking requirements as well as marks.
This Standard is applicable to changeable various types of graticule glass
plates in microscopes.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 1185-2006, Surface imperfections of optical elements
GB/T 11162, General specification of optical components for the scale and
surface defects
3 Requirements
3.1 Dimensions
See Table 1 for the dimensions of Type I and Type II graticules.
......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.