EN 60846-2:2018

SLOVENSKI STANDARD
01-junij-2018
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Radiation protection instrumentation - Ambient and/or directional dose equivalent (rate)
meters and/or monitors for beta, X and gamma radiation - Part 2: High range beta and
photon dose and dose rate portable instruments for emergency radiation protection
purposes (IEC 60846-2:2015)
Strahlenschutz-Messgeräte - Umgebungs- und Richtungs-Äquivalentdosis(leistungs)-
Messgeräte und/oder Monitore für Beta-, Röntgen- und Gammastrahlung - Teil 2:
Tragbare Messgeräte mit erweiterten Messbereichen zur Notfall-
Strahlenschutzdosimetrie für Beta- und Photonendosis und -dosisleistung (IEC 60846-
2:2015)
Instrumentation pour la radioprotection - Instruments pour la mesure et/ou la surveillance
de l'équivalent de dose (ou du débit d'équivalent de dose) ambiant et/ou directionnel
pour les rayonnements bêta, X et gamma - Partie 2: Instruments portables de grande
étendue, pour la mesure de la dose et du débit de dose des rayonnements photoniques
et bêta dans des situations d'urgence de radioprotection (IEC 60846-2:2015)
Ta slovenski standard je istoveten z: EN 60846-2:2018
ICS:
13.280 Varstvo pred sevanjem Radiation protection
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 60846-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2018
ICS 13.280
English Version
Radiation protection instrumentation - Ambient and/or directional
dose equivalent (rate) meters and/or monitors for beta, X and
gamma radiation - Part 2: High range beta and photon dose and
dose rate portable instruments for emergency radiation
protection purposes
(IEC 60846-2:2015 , modified)
Instrumentation pour la radioprotection - Instruments pour la Strahlenschutz-Messgeräte - Umgebungs- und Richtungs-
mesure et/ou la surveillance de l'équivalent de dose (ou du Äquivalentdosis(leistungs)-Messgeräte und/oder Monitore
débit d'équivalent de dose) ambiant et/ou directionnel pour für Beta-, Röntgen- und Gammastrahlung - Teil 2: Tragbare
les rayonnements bêta, X et gamma - Partie 2: Instruments Messgeräte mit erweiterten Messbereichen zur Notfall-
portables de grande étendue, pour la mesure de la dose et Strahlenschutzdosimetrie für Beta- und Photonendosis und
du débit de dose des rayonnements photoniques et bêta -dosisleistung
dans des situations d'urgence de radioprotection (IEC 60846-2:2015 , modifiziert)
(IEC 60846-2:2015 , modifiée)
This European Standard was approved by CENELEC on 2017-11-13. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 60846-2:2018 E
European foreword
This document (EN 60846-2:2018) consists of the text of IEC 60846-2:2015 prepared by SC 45B
"Radiation protection instrumentation" of IEC/TC 45 "Nuclear instrumentation", together with the
common modifications prepared by CLC/TC 45B "Radiation protection instrumentation".
The following dates are fixed:
• latest date by which this document has to be implemented (dop) 2018-10-13
at national level by publication of an identical national
standard or by endorsement
• latest date by which the national standards conflicting with (dow) 2021-04-13
this document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Endorsement notice
The text of the International Standard IEC 60846-2:2015 was approved by CENELEC as a
European Standard with agreed common modifications.
COMMON MODIFICATIONS
All over the document
Replace all references to “IEC 60846-1:2009” with references to “EN 60846-1:2014”.
Replace all references to “IEC 60846-1” with references to “EN 60846-1”.
Modification to 8.4.3
Replace 8 times “1,5 MeV” with “1,33 MeV”.
Modification to Table 5
Replace 2 times “1,5 MeV” with “1,33 MeV”.
Modification to Table 6
Replace 3 times “1,5 MeV” with “1,33 MeV”.
Annexes
Add the following new Annex ZA:
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is
available here: www.cenelec.eu.
Annex ZA of EN 60846-1:2014 applies except as follows:
Add
Publication Year Title EN/HD Year
IEC 60325 (mod.) 2002 Radiation protection instrumentation - EN 60325 2004
Alpha, beta and alpha/beta (beta energy
> 60 keV) contamination meters and
monitors
IEC 60846-1 (mod.) 2009 Radiation protection instrumentation - EN 60846-1 2014
Ambient and/or directional dose
equivalent (rate) meters and/or monitors
for beta, X and gamma radiation –
Part 1: Portable workplace and
environmental meters and monitors

IEC 60846-2 ®
Edition 2.0 2015-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Radiation protection instrumentation – Ambient and/or directional dose

equivalent (rate) meters and/or monitors for beta, X and gamma radiation –

Part 2: High range beta and photon dose and dose rate portable instruments for

emergency radiation protection purposes

Instrumentation pour la radioprotection – Instruments pour la mesure et/ou la

surveillance de l’équivalent de dose (ou du débit d’équivalent de dose) ambiant

et/ou directionnel pour les rayonnements bêta, X et gamma –

Partie 2: Instruments portables de grande étendue, pour la mesure de la dose et

du débit de dose des rayonnements photoniques et bêta dans des situations

d’urgence de radioprotection
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.280 ISBN 978-2-8322-3076-3

– 2 – IEC 60846-2:2015 © IEC 2015
CONTENTS
FOREWORD . 4
1 Scope and object . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Units and list of symbols . 7
5 General characteristics of ambient dose equivalent (rate) meters for emergency
purposes . 7
5.2 Read-out . 7
5.3 Dose equivalent and dose equivalent rate range . 7
5.5 Minimum range of measurement . 7
5.15 Portability . 7
5.16 Protection of switches . 8
5.17 Use of extension probe . 8
5.18 Contamination probe . 8
6 General test procedures . 8
7 Additivity of indicated value . 8
8 Radiation performance requirements and tests . 8
8.4 Variation of the response due to photon radiation energy and angle of
incidence . 8
 
8.4.3 Measuring quantity H'(0,07), H'(0,07), H*(10) or H*(10) for telescopic
or remote cylindrical probes . 8
8.5 Variation of the response due to beta radiation energy and angle of
incidence . 10

8.5.1 Measuring quantity H'(0,07) or H ′(0,07) . 10
8.7 Linearity and statistical fluctuations. 10
8.7.2 Requirements . 10
8.14 Extracameral response . 10
8.14.1 Requirements . 10
8.14.2 Method of test. 10
8.15 Response of instrument with extended probe . 10
8.15.1 Requirements . 10
8.15.2 Method of test. 11
9 Electrical characteristics of directional and ambient dose equivalent (rate) meters . 11
9.2 Warm-up time . 11
9.2.1 Requirements . 11
9.2.2 Test method . 11
9.2.3 Interpretation of the results . 11
10 Mechanical characteristics of directional and ambient dose equivalent (rate)
meters . 11
10.4 Drop test . 11
10.4.1 Requirements . 11
10.4.2 Method of test. 12
10.4.3 Interpretation of the results . 12
11 Environmental characteristics, performance requirements and tests . 12
11.2 Ambient temperature. 12
11.2.1 Requirements . 12

IEC 60846-2:2015 © IEC 2015 – 3 –
11.2.2 Test method . 12
11.2.3 Interpretation of the results . 13
11.3 Relative humidity . 13
11.3.1 Requirements .
...