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GB/T 4833.1-2007: Multichannel analyzers -- Part 1: Main technical requirements and test methods
Status: Valid GB/T 4833.1: Evolution and historical versions
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Multichannel analyzers -- Part 1: Main technical requirements and test methods
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GB/T 4833.1-2007
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| GB/T 4833-1997 | English | RFQ |
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Multichannel pulse height analyzers--Main characteristics, technical requirements and test methods
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Test methods for multichannel amplitude analyzers
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GB/T 4833-1989
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Basic data | Standard ID | GB/T 4833.1-2007 (GB/T4833.1-2007) | | Description (Translated English) | Multichannel analyzers -- Part 1: Main technical requirements and test methods | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F81 | | Classification of International Standard | 27.120.99 | | Word Count Estimation | 45,475 | | Date of Issue | 2007-07-13 | | Date of Implementation | 2008-03-01 | | Older Standard (superseded by this standard) | GB/T 4833-1997 | | Quoted Standard | GB/T 8993-1998 | | Adopted Standard | IEC 61342-1995, MOD | | Regulation (derived from) | China Announcement of Newly Approved National Standards No. 8, 2007 (No. 108 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 multi-channel analyzer in the pulse amplitude analysis is mostly technical requirements and test methods, but also gives the corresponding terms and definitions. This section applies to a linear pulse amplitude response of the multi-channel analyzer. | GB/T 4833.1-2007: Multichannel analyzers -- Part 1: Main technical requirements and test methods---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.
Multichannel analyzers Part 1. Main technical requirements and test methods
ICS 27.120.99
F81
National Standards of People's Republic of China
Replacing GB/T 4833-1997
Multi-channel analyzer
Part 1. Technical requirements and test methods
(IEC 61342.1995, Nuclearinstumentation-Multichannelpulseheight
analyzers-Maincharacteristics, technicalrequirementsandtest
methods, MOD)
Posted 2007-07-13 2008-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Symbols and abbreviations 5
5 The main technical requirements 7
5.1 Basic performance 7
5.2 Technical Specifications 8
6 8 test requirements
6.1 Test Instruments 8
Preheat 8 6.2
6.3 Test conditions 9
6.4 additional error test 9
7 Test methods 9
7.1 Minimum and maximum measurable signal pulse amplitude 9
7.2 Width (conversion factor) 11
7.3 0.13
7.4 14 integral nonlinearity
15 7.5 Differential nonlinearity
Non-rectangular coefficient 7.6 profile (election test) 17
7.7 deadtime 18
7.8 The maximum pulse frequency measurement 19
7.9 dead time count loss of correcting errors (election test) 20
7.10 Capacity (election test) 20
7.11 Changes channel address count rate due to drift and the relative energy resolution of 21
Appendix A (informative) Multi-channel analyzer performance parameters and technical indicators --- multi-channel analyzer Selection Guide 28
Annex B (informative) peak position (modal path) Calculation 30
Annex C (normative) Measurement of nonlinear partial differential complementary approaches 31
Annex D (informative) differential nonlinearity rapid detection method 32
Appendix E (normative) Test method for average dead time assistance 33
Channel address Annex F (normative) count rate changes caused by the relative drift 34
Relations Appendix G (informative) and IEC 61342 Part 36
A block diagram of a multi-channel analyzer measuring the minimum detectable pulse amplitude and pulse amplitude maximum measurable 22
Figure 2 measuring multi-channel analyzer channel width, the zero block diagrams and integral nonlinearity 22
Figure 3 zero offset and amplitude fitting line 23
Figure 4 Measurement of nonlinear partial differential slip pulse amplitude versus time diagram 23
5 multi-channel analyzer of nonlinear differential block diagram of the test equipment 24
Figure 6 is used to determine the differential nonlinearity of the spectral shape 24
Error function E (m1) 25 Figure 7 when measured integral nonlinearity
8 multi-channel analyzer measured differential nonlinearity scintillation counting 25
9 dead time measurement block diagram of FIG. 26
Figure 10 measures the maximum pulse frequency measurement block diagram 26
27 block diagram of FIG. 11 test dead time correction error
Test channel address block diagram in Figure 12 count rate due to drift and the relative change in energy resolution 27
Table 1 basic performance multi-channel analyzer 7
Table A. 1 performance parameters and technical indicators 28
Foreword
GB/T 4833 "Multi-channel analyzer" is divided into three parts.
--- Part 1. Technical requirements and test methods;
--- Part 2. Test methods as a multi-channel scaler fixed;
--- Part 3. nuclear spectroscopy histogram data interchange format.
This section GB/T 14833 Part of.
The partial modification of the use of IEC 61342.1995 "Nuclear Instruments multi-channel pulse height analyzers Main characteristics, technical requirements and test methods
Law ", but it has been several additions and deletions (see Appendix G).
a) added some definitions, symbols and abbreviations, according to statements of individual rationality reg been adjusted;
b) an increase of 12, and an increase in the measured spectrum curve in Figures 6 and 7;
c) increasing the basic performance of multi-channel analyzer, and adjusted the technical indicators, revised the classification;
d) In some of the parameters measured in this part of the increase it has been adopted, proven both simple and universally applicable a feasible
These test methods, modify, or delete some auxiliary test methods and repeated terms.
This Part replaces GB/T 4833-1997 "multi-channel pulse height analyzers Main characteristics, technical requirements and test methods" (hereinafter
Said the original standard).
This part of the main changes to the original standard.
--- According to GB/T 1.2-2002 "work of standardization Part 2. Standard method for determining normative technical elements" to
Seeking to modify the name of this section;
--- Increase "the amount of storage spectrum," "spectrometer analog - digital converter" and "ADC resolution" three terms and related symbols;
--- Increase "the amount of storage spectrum," "refuse accumulation (pileup) function" and other basic properties;
--- Increase the "channel address count rate changes caused by the relative drift" in measuring its appendix F;
--- Increase 12 "channel address count rate due to the relative shift of a block diagram of the test"; and in FIG. 6 "is used to determine the spectral shape of the differential nonlinearity
Like "and 7" measured integral nonlinearity error function E when (m1) "to increase the measured spectral curve;
--- The multi-channel analyzer to use classification, "according to the requirements (for example, with the type of detector, the field conditions) into
1 to 4 ", and modify, adjust Table A.1 content and indicators to reflect technological advances in multi-channel analyzer;
--- According to GB/T 1.1-2000 "Standardization Guide Part 1. Standard structure and write rules" requirement, amend this
Part format (including section added to a suspension of the title, in front of the column item plus omnibus language, etc.), unified, standardized form of presentation;
--- This section will be different from all integrated into the IEC 61342 Appendix G (including the structure of control clauses), and adjust the Appendix G
order.
This section of the Appendix A, Appendix B, Appendix C, Appendix D, Appendix E, Appendix G is informative appendix, Appendix F is a normative appendix.
This part of the National Nuclear Instrument Standardization Technical Committee.
This part of the jurisdiction of the Institute of Nuclear Industry Standardization.
Drafting this Part. Nuclear Industry Standardization Institute, Tsinghua University, China Institute of Atomic Energy.
The main drafters of this section. WANG Jing Jin, Xiong Zhenglong, Pan Daikin, agriculture Liu, Xiao Chen.
Of this Part replaces the previous release is. GB 4833-1984, GB 4833-1989,
GB/T 4833-1997.
Introduction
In the field of nuclear physics on many occasions, measuring the distribution of certain types of parameters are very important, such as. energy particle mass of the particle, the particle
Time appeared, the particles in a scattering angle, and so on. In modern measurement practice, common multi-channel pulse amplitude analyzer analysis
(Multi-channel pulse amplitude analyzer) to complete the measurement of the above parameters. Multi-channel pulse amplitude analyzer will represent the first physical quantity signal pulse width
Degree digital, then digital digitized after classify storage, such a period can be stored with the original pulse amplitude distribution measurements
Similar histograms. This distribution reflects the probability density α or β particles, γ and X photons and other particles in certain quantities. With these letters
Information, data processing, to determine particle or ray flux density and dose (rate), and the concentration of radionuclides content. Today, multi-channel analyzer
It has been widely used in various fields of science and industry.
Multi-channel pulse amplitude analyzer typically includes analog to digital converter (ADC), data acquisition interfaces, general purpose computer (or a dedicated processor, memory
Storage, display and input/output units) as well as printers, plotters and other external devices. It can do the following.
--- Accepts pulses from the detection device, or other sources;
--- The pulse amplitude D converting the information (the ADC);
--- Predetermined parameter D converting the resulting digital form the storage address;
--- Storing count information (histogram, spectrum);
--- According to a predetermined algorithm and pulse amplitude is provided externally stored information processing spectrum;
--- Data input and output functions (eg. driving monitors, printers, floppy disk drives, plotters, etc.).
Multi-channel analyzer can also have a variety of additional analytical methods, these methods are not directly linked to the pulse amplitude analysis, for example.
--- To improve the signal to noise ratio of the signal repeated demand statistical average;
---related analysis;
--- Continuous sampling an analog signal;
Time --- signal characteristic distribution analysis;
--- Flight time spectrum analysis;
--- In a continuous interval pulse count (recording radiation intensity Mossbauer effect and radioactive decay) or scaler;
--- The pulse count from multiple detectors deposit to a different partition memory.
Multi-channel analyzer
Part 1. Technical requirements and test methods
1 Scope
This section provides multi-channel analyzer main technical requirements and test methods for pulse amplitude analysis in a way, and also gives corresponding term
definition.
This section applies to multi-channel pulse amplitude analyzer with a linear response.
2 Normative references
The following documents contain provisions which, through reference to GB/T 4833 this section, constitute provisions of this part. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 8993-1998 nuclear instruments - Environmental conditions and testing procedures
3 Terms and Definitions
This section uses the following terms and definitions.
3.1
Road address where the input signal is multi-channel analyzer ADC should be given deposit (not including additional multi-channel analyzer hardware, software
Indexed).
3.2
Multi-channel analyzer can be used to track the total count of the number of storage site.
3.3
Multi-channel analyzer can be predetermined or pre-programmed instruction set, respectively, the number of memory can store data.
3.4
In the partition, the number of addressable channels and store count.
3.5
Analog to digital converter at equal intervals on the pulse amplitude level of the input signal level maximum number of discrete time quantization has. Usually a
Quantization level interval corresponds to a channel in multi-channel analyzer.
3.6
Multi-channel analyzer per channel maximum number of events that can be stored (count).
3.7
Multi-channel analyzer can store the number of the spectrum.
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