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US$579.00 · In stock Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 26594-2011: Non-destructive testing instruments -- Properties test methods of industrial X-ray tube Status: Valid
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Non-destructive testing instruments -- Properties test methods of industrial X-ray tube
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GB/T 26594-2011
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Basic data | Standard ID | GB/T 26594-2011 (GB/T26594-2011) | | Description (Translated English) | Non-destructive testing instruments -- Properties test methods of industrial X-ray tube | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N78 | | Classification of International Standard | 19.100 | | Word Count Estimation | 25,232 | | Date of Issue | 2011-06-16 | | Date of Implementation | 2011-11-01 | | Quoted Standard | GB/T 2421-1999; GB/T 25758.5-2010 | | Regulation (derived from) | Announcement of Newly Approved National Standards No. 9 of 2011 | | 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 requirements and test conditions for industrial X- ray tube (hereinafter referred to as X-ray tube) the technical parameters of the test conditions and test methods. This standard applies to all types of industrial X- ray tube (not including pulse). |
GB/T 26594-2011: Non-destructive testing instruments -- Properties test methods of industrial X-ray tube ---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.
Non-destructive testing instruments. Properties test methods of industrial X-ray tube
ICS 19.100
N78
National Standards of People's Republic of China
Nondestructive testing equipment
X-ray tube performance test methods for industrial use
Issued on. 2011-06-16
2011-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Test Conditions 2
4.1 Test Equipment 2
4.2 Test Schematic 3
4.3 Test Rule 3
Test Method 4 5
5.1 filament characteristics Test 4
5.2 X-ray tube maximum working tube voltage test 4
5.3 X-ray tube maximum peak reverse voltage test 4
5.4 X-ray tube overvoltage test 4
Test 5.5 X-ray tube filament emission characteristics of 4
Test 5.6 X-ray tube anode current stability 4
5.7 X-ray tube 5 Maximum Power Test
5.8 X-ray tube effective focal spot size of the test 5
5.9 X-ray tube radiant energy flux density uniformity test 5
Test 5.10 X-ray tube X-ray dose rate of 5
5.11 X-ray tube inherent filtration test 5
5.12 X-ray tube spectral purity test 6
5.13 Test gated X-ray tube anode current cutoff characteristics 8
5.14 gated X-ray tube filament inter-gate voltage test 8
Appendix A (normative) Pinhole radiography 10
Appendix B (normative) Focus slit radiography 14
Annex C (informative) electrical schematic diagram 16
Permissible value Annex D (informative) focus nominal value of 20
Foreword
The Standard Appendix A, Appendix B normative appendix.
The Standard Appendix C, Appendix D is an informative annex.
The standard proposed by China Machinery Industry Federation.
This standard by the National Standardization Technical Committee tester (SAC/TC122) centralized.
This standard is drafted by. Liaoning Instrument Research Institute, Dandong Ronghua ray Instrument Co., Ltd., Shenzhen CTI Detection Technology
CO., LTD.
Participated in the drafting of this standard. Dandong NDT Equipment Co., Ltd., Dandong City NDT Instrument foolproof.
The main drafters of this standard. Xu Bo, Rongji Ping, Qian Feng, Dong Diangang, Zhang.
Nondestructive testing equipment
X-ray tube performance test methods for industrial use
1 Scope
This standard specifies the requirements and test conditions for the technical parameters of industrial X-ray tube (hereinafter referred to as the X-ray tube) of the test strip
Parts and test methods.
This standard applies to all types of industrial X-ray tube (not including pulsed).
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 2421-1999 electric and electronic products environmental testing rules - Part 1. General
GB/T 25758.5-2010 destructive testing of industrial X-ray system focus characteristics - Part 5. Focus small and micro-focus X-ray
Measurement of the effective focal spot size of the pipe line
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Filament characteristics filamentcharacter
Relationship between X-ray tube filament current and filament voltage.
3.2
Maximum operating tube voltage maximumworkingtubevoltage
Since the half-wave rectifier circuit, X-ray tube anode rated current between the anode and cathode of the maximum allowed forward anode voltage
Peak.
3.3
Maximum peak reverse voltage highestreversepeakvoltage
X-ray tube anode current provisions, the maximum allowed withstand peak reverse voltage between the anode and the cathode.
3.4
Overvoltage overvoltage
In the anode current and test time prescribed between the X-ray tube anode and cathode by adding a predetermined overvoltage coefficient determined
Peak voltage.
3.5
Filament emission characteristics filamentemissioncharacter
Under the given conditions of tube voltage, anode current and filament current (voltage) relationship between the X-ray tube.
3.6
Anode current stability stabilityofanodecurrent
X-ray tube under specified operating conditions and within the stipulated time, the amount of the maximum anode current variation of the rated current value of the ratio of the anode.
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