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IEC 62438:2010

(Main)

Radiation protection instrumentation - Mobile instrumentation for the measurement of photon and neutron radiation in the environment

Radiation protection instrumentation - Mobile instrumentation for the measurement of photon and neutron radiation in the environment

IEC 62438:2010 is applicable to mobile radiation detection systems used for the detection, quantification and identification of photon and/or neutron emitters in the environment. This includes point and distributed radiation sources. The object of this standard is to:
- establish minimum requirements for the instrumentation;
- establish requirements for deployment and operations;
- provide test and calibration methods; and
- provide guidance to procurement for appropriate equipment. This standard cancels and replaces IEC 61134, issued in 1992. The scope of IEC 61134 was restricted to exploration for geological deposits of potassium, uranium and thorium. IEC 62438:2010 incorporates the range of currently available detector technologies and incorporates neutron monitoring. This standard also relates to a wide range of mobile platform applications including environmental, emergency response, security in addition to geological.

Instrumentation pour la radioprotection - Instrumentation mobile pour la mesure des rayonnements gamma et neutroniques dans l'environnement

La CEI 62438:2010 est applicable aux systèmes mobiles de détection de rayonnement utilisés pour la détection, la quantification et l'identification des émetteurs de photons et/ou de neutrons dans l'environnement. Ceci inclut les sources de rayonnement ponctuelles ou dispersées. L'objet de la présente norme est:
- d'établir des exigences minimales pour l'instrumentation;
- d'établir des exigences pour le déploiement et l'exploitation;
- de fournir des méthodes d'essais et d'étalonnage;
- et de fournir des recommandations pour l'approvisionnement des équipements. La présente norme annule et remplace la CEI 61134, publiée en 1992. Le domaine d'application de la CEI 61134 était restreint à la prospection pour les gisements de potassium, d'uranium et de thorium. La CEI 62438:2010 inclut l'ensemble des technologies de détecteur actuellement disponibles, et intègre le contrôle neutronique. Cette norme traite aussi d'une grande étendue des applications des plateformes mobiles, incluant des réponses environnementales, d'urgence et de sécurité en plus des applications géologiques.

General Information

Status
Published
Publication Date
17-Mar-2010
ICS
01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
13.280 - Radiation protection
Technical Committee
SC 45B - Radiation protection instrumentation
Drafting Committee
WG 5 - TC 45/SC 45B/WG 5
Current Stage
PPUB - Publication issued
Start Date
15-Apr-2010
Completion Date
18-Mar-2010
Ref Project

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IEC 62438:2010 - Radiation protection instrumentation - Mobile instrumentation for the measurement of photon and neutron radiation in the environmentIEC 62438:2010 - Radiation protection instrumentation - Mobile instrumentation for the measurement of photon and neutron radiation in the environment
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IEC 62438:2010 - Radiation protection instrumentation - Mobile instrumentation for the measurement of photon and neutron radiation in the environment
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IEC 62438 ®
Edition 1.0 2010-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Radiation protection instrumentation – Mobile instrumentation for the
measurement of photon and neutron radiation in the environment

Instrumentation pour la radioprotection – Instrumentation mobile pour la
mesure des rayonnements gamma et neutroniques dans l'environnement

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by
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IEC 62438 ®
Edition 1.0 2010-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Radiation protection instrumentation – Mobile instrumentation for the
measurement of photon and neutron radiation in the environment

Instrumentation pour la radioprotection – Instrumentation mobile pour la
mesure des rayonnements gamma et neutroniques dans l'environnement

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
W
CODE PRIX
ICS 13.280 ISBN 978-2-88910-703-2
– 2 – 62438 © IEC:2010
CONTENTS
FOREWORD.6
1 Scope and object.8
2 Normative references .8
3 Terms, definitions and nomenclature .9
3.1 Definitions .9
3.1.1 mobile detection system .9
3.1.2 energy resolution.9
3.1.3 background (intrinsic, platform and cosmic) .9
3.1.4 positional reference .9
3.1.5 area of investigation .9
3.1.6 sampling interval .9
3.1.7 reference soil or surface .10
3.1.8 platform .10
3.2 Test nomenclature.10
3.2.1 qualification tests .10
3.2.2 acceptance test .10
4 General system configuration .10
5 General requirements .11
5.1 Power supply.11
5.2 Battery power supply.12
5.3 Cabling and connections .12
5.4 Shock (operating) .12
5.5 Vibration (operating).12
5.6 Vibration (non-operating).12
5.7 Water resistance .12
5.8 Spectrometric systems .12
6 Classification of the performance characteristics .12
7 General test procedures .12
7.1 Nature of tests.12
7.2 Reference conditions and standard test conditions .13
7.3 Position of assembly for purposes of tests.13
7.4 Statistical fluctuations .13
7.5 Reference radiation .13
8 General performance specification and testing requirement.13
8.1 Power supply.13
8.1.1 Requirements .13
8.1.2 Test method .13
8.2 Battery power supply.14
8.2.1 Requirements .14
8.2.2 Test method .14
8.3 Warm-up time.14
8.3.1 Requirements .14
8.3.2 Test method .14
8.4 Radio frequency (RF) requirements .14
8.4.1 Requirements .14
8.4.2 Test method .15

62438 © IEC:2010 – 3 –
8.5 RF susceptibility.15
8.5.1 Requirements .15
8.5.2 Test method .15
8.6 Temperature.15
8.6.1 Requirements .15
8.6.2 Test method .15
8.7 Relative Humidity .15
8.7.1 Requirements .15
8.7.2 Test method .15
8.8 Shock (operating) .16
8.8.1 Requirements .16
8.8.2 Test method .16
8.9 Vibration (operating).16
8.9.1 Requirements .16
8.9.2 Test method .16
8.10 Vibration (non-operating).16
8.10.1 Requirements .16
8.10.2 Test method .16
8.11 Water resistance .16
8.11.1 Requirements .16
8.11.2 Test method .16
8.12 Temperature effects .17
8.12.1 Requirements .17
8.12.2 Test method .17
8.13 Summed detector resolution .17
8.13.1 Requirements .17
8.13.2 Test method .17
9 Scintillation based detector module requirements .17
9.1 Photomultiplier count rate stability.17
9.1.1 Requirements .17
9.1.2 Test method .17
9.2 Photomultiplier magnetic shielding .
...

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