IEC 62387:2020

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

IEC 62387:2020

Name:IEC 62387:2020   Standard name:Radiation protection instrumentation - Dosimetry systems with integrating passive detectors for individual, workplace and environmental monitoring of photon and beta radiation
Standard number:IEC 62387:2020   language:English language
Release Date:30-Jan-2020   technical committee:SC 45B - Radiation protection instrumentation
Drafting committee:WG 8 - TC 45/SC 45B/WG 8   ICS number:01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION

IEC 62387
Edition 2.0 2020-01
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Radiation protection instrumentation – Passive integrating Dosimetry systems
with integrating passive detectors for personal individual, workplace and
environmental monitoring of photon and beta radiation





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IEC 62387
Edition 2.0 2020-01
REDLINE VERSION
INTERNATIONAL
STANDARD
colourcolour
insinsiidede
Radiation protection instrumentation – Passive integrating Dosimetry systems
with integrating passive detectors for personal individual, workplace and
environmental monitoring of photon and beta radiation
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 13.280 ISBN 978-2-8322-5317-5

– 2 – IEC 62387:2020 RLV © IEC 2020
CONTENTS
FOREWORD . 8
INTRODUCTION . 10
1 Scope . 11
2 Normative references . 12
3 Terms and definitions . 13
4 Units and symbols . 24
5 General test procedures . 24
5.1 Basic test procedures . 24
5.1.1 Instructions for use . 24
5.1.2 Nature of tests . 24
5.1.3 Reference conditions and standard test conditions . 25
5.1.4 Production of reference radiation . 25
5.1.5 Choice of phantom for the purpose of testing . 25
5.1.6 Position of dosemeter for the purpose of testing . 25
5.2 Test procedures to be considered for every test . 25
5.2.1 Number of dosemeters used for each test . 25
5.2.2 Consideration of the uncertainty of the conventional quantity value . 25
5.2.3 Consideration of non-linearity . 25
5.2.4 Consideration of natural background radiation . 26
5.2.5 Consideration of several detectors or signals in a dosemeter . 26
5.2.6 Performing the tests efficiently . 26
6 Performance requirements: summary . 26
7 Capability of a dosimetry system . 28
7.1 General . 28
7.2 Measuring range and type of radiation . 28
7.3 Rated ranges of the influence quantities . 28
7.4 Maximum rated measurement time t . 28
max
7.5 Reusability . 28
7.6 Model function . 28
7.7 Example for the capabilities of a dosimetry system . 29
8 Requirements for the design of the dosimetry system . 29
8.1 General . 29
8.2 Indication of the dose value (dosimetry system) . 29
8.3 Assignment of the dose value to the dosemeter (dosimetry system) . 30
8.4 Information given on the devices (reader and dosemeter) . 30
8.5 Retention and removal of radioactive contamination (dosemeter) . 30
8.6 Algorithm to evaluate the indicated value (dosimetry system). 30
8.7 Use of dosemeters in mixed radiation fields (dosimetry system) . 31
9 Instruction manual . 31
9.1 General . 31
9.2 Specification of the technical data . 31
10 Software, data and interfaces of the dosimetry system . 32
10.1 General . 32
10.2 Design and structure of the software . 33
10.2.1 Requirements . 33

10.2.2 Method of test. 33
10.3 Identification of the software . 33
10.3.1 Requirements . 33
10.3.2 Method of test. 33
10.4 Authenticity of the software and the presentation of results . 33
10.4.1 Requirements . 33
10.4.2 Method of test. 34
10.5 Alarm and stop of system operation under abnormal operating conditions . 34
10.5.1 Requirements . 34
10.5.2 Method of test. 34
10.6 Control of input data by the dosimetry system . 35
10.6.1 Requirements . 35
10.6.2 Method of test. 35
10.7 Storage of data . 35
10.7.1 Requirements . 35
10.7.2 Method of test. 36
10.8 Transmission of data . 36
10.8.1 Requirements . 36
10.8.2 Method of test. 36
10.9 Hardware interfaces and software interfaces . 37
10.9.1 Requirements . 37
10.9.2 Method of test. 37
10.10 Documentation for the software test . 37
10.10.1 Requirements . 37
10.10.2 Method of test. 38
11 Radiation performance requirements and tests (dosimetry system) . 38
11.1 General . 38
11.2 Coefficient of variation . 39
11.3 Non-linearity . 39
11.3.1 Requirements . 39
11.3.2 Method of test. 39
11.3.3 Interpretation of results . 39
11.4 Overload characteristics, after-effects, and reusability . 41
11.4.1 Requirements . 41
11.4.2 Method of test. 41
11.4.3 Interpretation of the results . 41
11.5 Radiation energy and angle of incidence for H (10) or H*(10) dosemeters . 42
p
11.5.1 Photon radiation . 42
11.5.2 Beta radiation . 44
11.6 Radiation energy and angle of incidence for H (3) or H'(3) dosemeters . 44
p
11.6.1 Photon radiation . 44
11.6.2 Beta radiation . 46
11.7 Radiation energy and angle of incidence for H (0,07) or H'(0,07) dosemeters . 47
p
11.7.1 Photon radiation . 47
11.7.2 Beta radiation . 49
11.8 Over response indication due to radiation incidence incident from the side of
an H (10), H (3) or H (0,07) dosemeter . 50
p p p
11.8.1 Requirements . 50
11.8.2 Method of test. 50

– 4 – IEC 62387:2020 RLV © IEC 2020
11.8.3 Interpretation of the results . 51
11.9 Indication of the presence of beta dose for H (0,07) whole body dosemeters . 51
p
12 Response to mixed irradiations (dosimetry system) .
...

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