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BS EN IEC 62387:2022+A11:2022:2023 Edition

BS EN IEC 62387:2022+A11:2022:2023 Edition

$215.11

Radiation protection instrumentation. Dosimetry systems with integrating passive detectors for individual, workplace and environmental monitoring of photon and beta radiation

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BSI 2023 94
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PDF Pages PDF Title
2 undefined
5 Blank Page
6 Annex ZA (normative)Normative references to international publicationswith their corresponding European publications
8 English
CONTENTS
13 FOREWORD
15 INTRODUCTION
16 1 Scope
Table 1 – Mandatory and maximum energy ranges covered by this document
17 2 Normative references
Tables
18 3 Terms and definitions
28 4 Units and symbols
5 General test procedures
5.1 Basic test procedures
5.1.1 Instructions for use
5.1.2 Nature of tests
5.1.3 Reference conditions and standard test conditions
5.1.4 Production of reference radiation
29 5.1.5 Choice of phantom for the purpose of testing
5.1.6 Position of dosemeter for the purpose of testing
5.2 Test procedures to be considered for every test
5.2.1 Number of dosemeters used for each test
5.2.2 Consideration of the uncertainty of the conventional quantity value
5.2.3 Consideration of non-linearity
5.2.4 Consideration of natural background radiation
5.2.5 Consideration of several detectors or signals in a dosemeter
30 5.2.6 Performing the tests efficiently
6 Performance requirements: summary
31 7 Capability of a dosimetry system
7.1 General
7.2 Measuring range and type of radiation
7.3 Rated ranges of the influence quantities
7.4 Maximum rated measurement time tmax
32 7.5 Reusability
7.6 Model function
7.7 Example for the capabilities of a dosimetry system
33 8 Requirements for the design of the dosimetry system
8.1 General
8.2 Indication of the dose value (dosimetry system)
8.3 Assignment of the dose value to the dosemeter (dosimetry system)
8.4 Information given on the devices (reader and dosemeter)
34 8.5 Retention and removal of radioactive contamination (dosemeter)
8.6 Algorithm to evaluate the indicated value (dosimetry system)
8.7 Use of dosemeters in mixed radiation fields (dosimetry system)
9 Instruction manual
9.1 General
9.2 Specification of the technical data
35 10 Software, data and interfaces of the dosimetry system
10.1 General
36 10.2 Design and structure of the software
10.2.1 Requirements
10.2.2 Method of test
10.3 Identification of the software
10.3.1 Requirements
37 10.3.2 Method of test
10.4 Authenticity of the software and the presentation of results
10.4.1 Requirements
10.4.2 Method of test
10.5 Alarm and stop of system operation under abnormal operating conditions
10.5.1 Requirements
38 10.5.2 Method of test
10.6 Control of input data by the dosimetry system
10.6.1 Requirements
10.6.2 Method of test
10.7 Storage of data
10.7.1 Requirements
39 10.7.2 Method of test
10.8 Transmission of data
10.8.1 Requirements
40 10.8.2 Method of test
10.9 Hardware interfaces and software interfaces
10.9.1 Requirements
10.9.2 Method of test
10.10 Documentation for the software test
10.10.1 Requirements
41 10.10.2 Method of test
11 Radiation performance requirements and tests (dosimetry system)
11.1 General
42 11.2 Coefficient of variation
11.3 Non-linearity
11.3.1 Requirements
11.3.2 Method of test
11.3.3 Interpretation of results
43 11.4 Overload characteristics, after-effects, and reusability
11.4.1 Requirements
Table 2 – Values of c1 and c2 for w different dose values and n indications for each dose value
44 11.4.2 Method of test
11.4.3 Interpretation of the results
45 11.5 Radiation energy and angle of incidence for Hp(10) or H*(10) dosemeters
11.5.1 Photon radiation
Table 3 – Angles of incidence of irradiation for Hp(10) and H*(10) dosemeters
46 Figures
Figure 1 – Stepwise irradiation of an H*(10) dosemeter at 90° angle of incidence
47 11.5.2 Beta radiation
11.6 Radiation energy and angle of incidence for Hp(3) or H'(3) dosemeters
11.6.1 Photon radiation
48 Table 4 – Angles of incidence of irradiation for Hp(3) and H'(3) dosemeters
49 11.6.2 Beta radiation
50 11.7 Radiation energy and angle of incidence for Hp(0,07) or H'(0,07) dosemeters
11.7.1 Photon radiation
51 Table 5 – Angles of incidence of irradiation for Hp(0,07) and H'(0,07) dosemeters
52 11.7.2 Beta radiation
53 11.8 Over indication due to radiation incident from the side of an Hp(10), Hp(3) or Hp(0,07) dosemeter
11.8.1 Requirements
11.8.2 Method of test
54 11.8.3 Interpretation of the results
11.9 Indication of the presence of beta dose for Hp(0,07) whole body dosemeters
12 Response to mixed irradiations (dosimetry system)
12.1 Requirements
55 12.2 Method of test
12.2.1 General
12.2.2 Preparation of the test
12.2.3 Practical test
56 12.3 Interpretation of the results
13 Environmental performance requirements and tests
13.1 General
13.1.1 General requirement
13.1.2 General method of test
57 13.2 Ambient temperature and relative humidity (dosemeter)
13.2.1 General
13.2.2 Requirements
13.2.3 Method of test
13.2.4 Interpretation of the results
58 13.3 Light exposure (dosemeter)
13.3.1 General
13.3.2 Requirements
13.3.3 Method of test
13.3.4 Interpretation of the results
13.4 Dose build-up, fading and self-irradiation (dosemeter)
13.4.1 General
59 13.4.2 Requirements
13.4.3 Method of test
13.4.4 Interpretation of the results
13.5 Sealing (dosemeter)
13.6 Reader stability (reader)
13.6.1 General
60 13.6.2 Requirements
13.6.3 Method of test
13.6.4 Interpretation of the results
13.7 Ambient temperature (reader)
13.7.1 General
13.7.2 Requirements
13.7.3 Method of test
61 13.7.4 Interpretation of the results
13.8 Light exposure (reader)
13.8.1 General
13.8.2 Requirements
13.8.3 Method of test
62 13.8.4 Interpretation of the results
13.9 Primary power supply (reader)
13.9.1 General
13.9.2 Requirements
13.9.3 Method of test
63 13.9.4 Interpretation of the results
14 Electromagnetic performance requirements and tests (dosimetry system)
14.1 General
14.2 Requirements
64 14.3 Method of test
14.4 Interpretation of the results
15 Mechanical performance requirements and tests
15.1 General requirement
65 15.2 Drop (dosemeter)
15.2.1 Requirements
15.2.2 Method of test
15.2.3 Interpretation of the results
66 16 Documentation
16.1 Type test report
16.2 Certificate issued by the laboratory performing the type test
67 Table 6 – Symbols
69 Table 7 – Reference conditions and standard test conditions
70 Table 8 – Performance requirements for Hp(10) dosemeters
71 Table 9 – Performance requirements for Hp(3) dosemeters
72 Table 10 – Performance requirements for Hp(0,07) dosemeters
73 Table 11 – Performance requirements for H*(10) dosemeters
74 Table 12 – Performance requirements for H'(3) dosemeters
75 Table 13 – Performance requirements for H'(0,07) dosemeters
76 Table 14 – Environmental performance requirements for dosemeters and readers
77 Table 15 – Electromagnetic disturbance performance requirements for dosimetry systems according to Clause 14
78 Table 16 – Mechanical disturbances performance requirements for dosemeters
Table 17 – List of abbreviations
79 Annexes
Annex A (normative) Confidence limits
Figure A.1 – Test for confidence interval
80 Table A.1 – Student’s t-value for a double sided 95 % confidence interval
82 Annex B (informative) Causal connection between readout signals, indicated value and measured value
Figure B.1 – Data evaluation in dosimetry systems
83 Annex C (informative) Overview of the necessary actions that have to be performed for a type test according to this document
Table C.1 – Schedule for a type test of a dosemeter for Hp(10) fulfilling the requirements within the mandatory ranges
84 Annex D (informative) Uncertainty of dosimetry systems
85 Annex E (informative) Conversion coefficients hpD(0,07;source;α), h’D(0,07;source;α), hpD(3;source;α), and h’D(3;source;α) from personal absorbed dose in 0,07 mm depth, Dp(0,07), to the corresponding dose equivalent quantities for radiation qualities defined in ISO 6980-1
Table E.1 – Conversion coefficients hpD(0,07;source;α) slab from personal absorbed dose in 0,07 mm depth, Dp(0,07), to the dose equivalent Hp(0,07) for the slab phantom for radiation qualities defined in ISO 6980-1
86 Table E.2 – Conversion coefficients hpD(0,07;source;α) rod from personal absorbed dose in 0,07 mm depth, Dp(0,07), to the dose equivalent Hp(0,07) for the rod phantom for radiation qualities defined in ISO 6980-1
87 Table E.3 – Conversion coefficients h’D(0,07;source;α) from personal absorbed dose in 0,07 mm depth, Dp(0,07), to the dose equivalent H'(0,07) for the ICRU sphere for radiation qualities defined in ISO 6980-1
88 Table E.4 – Conversion coefficients hpD(3;source;α) cylinder from personal absorbed dose in 0,07 mm depth, Dp(0,07), to the dose equivalent Hp(3) for the cylinder phantom for radiation qualities defined in ISO 6980-1
Table E.5 – Conversion coefficients h’D (3;source;α) from personal absorbed dose in 0,07 mm depth, Dp(0,07), to the dose equivalent H'(3) for the ICRU sphere for radiation qualities defined in ISO 6980-1
89 Annex F (informative) Computational method of test for mixed irradiations
Table F.1 – Example of dosemeter response table and range limits
90 Figure F.1 – Flow chart of a computer program to perform tests according to 12.2
91 Bibliography

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BS EN IEC 62387:2022+A11:2022
$215.11