GB/T 23903-2009Resolution indicators for ray image (English PDF)
射线图像分辨力测试计
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 26, 2009
Implementation date
December 1, 2009
Scope
GB/T 23903-2009 is the English-translated version of 射线图像分辨力测试计.
GB/T 23903-2009 is the Chinese standard "Resolution indicators for ray image". Its scope clause reads: This standard specifies the test meter ray image resolution of classification, technical requirements and test methods.
This standard applies to its density of lead alloy or equivalent metal resolving power tester. This standard applies to the resolution of the test meter type test and factory inspection.
This standard can also be ordered as a user acceptance basis. Its clauses include terms and definitions.
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Document preview — GB/T 23903-2009
National Standard of the People's Republic of China
- ICS
- 19.100
- Classification
- J 04
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Category
- 5 2 Technical Requirements
- 6 Test Method
- 7 Inspection rules
- 8 marks
- 9 logo and tag
- 10 packaging, transportation and storage
- Appendix A (informative) resolution test meter structure type Example
- References
1 Scope
This standard specifies the test meter ray image resolution of classification, technical requirements and test methods.
This standard applies to its density of lead alloy or equivalent metal resolving power tester.
This standard applies to the resolution of the test meter type test and factory inspection. This standard can also be ordered as a user acceptance basis.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
GB/T 1470 lead and lead-antimony alloy plate
GB/T 12604.2 Terminology for nondestructive testing radiographic testing (GB/T 12604.2-2005, ISO 5576.1997,
Non-destructivetesting-IndustrialX-rayandgamma-rayradiology-Vocabulary, IDT)
GB/T 19001 quality management system requirements (GB/T 19001-2008, ISO 9001.2008, IDT)
GB/T 27025 testing and calibration laboratories General requirements (GB/T 27025-2008, ISO /IEC 17025.2005,
IDT)
3 Terms and Definitions
GB/T 12604.2 and established the following terms and definitions apply to this standard.
3.1
Resolution test meter in length and a predetermined width of the metal wire, usually made of lead, tungsten or other heavy metals.
3.2
It consists of a line and its width equal to the distance between adjacent (space) components.
3.3
Line within the width direction of the total number of lines per unit length, unit LP/mm.
3.4
The length and width of the same root-like lines and its width is located in the same shape - 1 pitch (space) between lines of the composition.
Category 4
This standard applies resolution test meter types can be classified as follows.
a) beam arrangement according to the law of the line can be divided into.
1) arithmetic arrangement;
2) geometric arrangement.
b) by line of beam arrangement can be divided into.
1) are arranged in parallel;
GB/T 23901.2-2019 | GB/T 23901.3-2019 | GB/T 23901.4-2019 | GB/T 23904-2025 | GB/T 23902-2021 | GB/T 23901.1-2019 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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