EN 61577-4:2014

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 4: Equipment for the production of reference atmospheres containing radon isotopes and their decay products (STAR)Instrumentation pour la radioprotection - Instruments de mesure du radon et des descendants du radon -- Partie 4: Dispositif pour la réalisation d’atmosphères de référence contenant des isotopes du radon et leurs descendants (STAR)Radiation protection instrumentation - Radon and radon decay product measuring instruments -- Part 4: Equipment for the production of reference atmospheres containing radon isotopes and their decay products (STAR)17.240Merjenje sevanjaRadiation measurements13.280Varstvo pred sevanjemRadiation protectionICS:Ta slovenski standard je istoveten z:EN 61577-4:2014SIST EN 61577-4:2015en01-september-2015SIST EN 61577-4:2015SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 61577-4
December 2014 ICS 13.280
English Version
Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 4: Equipment for the production of reference atmospheres containing radon isotopes and their decay products (STAR) (IEC 61577-4:2009 , modified)
Instrumentation pour la radioprotection - Instruments de mesure du radon et des descendants du radon - Partie 4: Dispositif pour la réalisation d'atmosphères de référence contenant des isotopes du radon et leurs descendants (STAR) (CEI 61577-4:2009 , modifiée)
Strahlenschutz-Messgeräte - Geräte für die Messung von Radon und Radon-Folgeprodukten - Teil 4: Einrichtungen für die Herstellung von Referenzatmosphären mit Radonisotopen und ihren Folgeprodukten (STAR) (IEC 61577-4:2009 , modifiziert) This European Standard was approved by CENELEC on 2014-11-17. 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, 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: Avenue Marnix 17,
B-1000 Brussels © 2014 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61577-4:2014 E SIST EN 61577-4:2015

Foreword This document (EN 61577-4:2014) consists of the text of IEC 61577-4:2009 prepared by IEC/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 at national level by publication of an identical national standard or by endorsement (dop) 2015-11-17 • latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2017-11-17 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such patent rights. SIST EN 61577-4:2015

- 3 - EN 61577-4:2014 Endorsement notice The text of the International Standard IEC 61577-4:2009 was approved by CENELEC as a European Standard with agreed common modifications.
COMMON MODIFICATIONS
2 Normative references Replace the title indicated for IEC 61577 (all parts) with “Radiation protection instrumentation – Radon and radon decay product measuring instruments”.
3 Terms, definitions and units 3.2 Specific terms and definitions 3.2.11 unattached fraction of PAEC Delete the note. Add a new note below the entry: NOTE Z1
The particle size concerned is below 10 nm. 3.2.12 attached fraction Replace in the note 0,3 µm with 0,5 µm.
6 Requirements for the reference atmosphere provided by STAR 6.3 Influence quantities 6.3.1 General Add to the paragraph “According to Clause 4, only those influence quantities relevant to the kind of STAR under test need to be considered.”
6.3.2 Temperature In the second paragraph, replace “+18 °C to +22 °C” with “+18 °C to +24 °C”.
6.3.3 Relative humidity In the second paragraph, replace “50 % RH” with “65 % RH” and “40 % RH to 60 % RH” with “40 % RH to 75 % RH”.
Table 1 – Reference and standard test conditions Replace the line for temperature as follows: Temperature 20 °C 18 °C to 24 °C Replace the line for relative humidity as follows: Relative humidity 65 % 40 % to 75 % SIST EN 61577-4:2015

Replace the line for ambient gamma dose rate as follows: Ambient γ dose rate Negligible <0,25 µSv{h–1 Replace the line for unattached fraction as follows: Unattached fraction Negligible <0,25 Replace the line for aerosol size (AMTD or AMAD) as follows: Aerosol size (AMTD or AMAD)* 0,2 µm 0,1 µm to 0,5 µm
Table A.1 – Atmosphere characteristic ranges (typical values) Delete the line of the unattached fraction of RnDP222.
- 5 - EN 61577-4:2014 Annex ZA (normative)
Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. 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.
Publication Year Title EN/HD Year IEC 60050-111 1996
International Electrotechnical Vocabulary - Chapter 111: Physics and chemistry - -
IEC 60050-393 2003
International Electrotechnical Vocabulary - Part 393: Nuclear instrumentation - Physical phenomena and basic concepts - -
IEC 60050-394 2007
International Electrotechnical Vocabulary - Part 394: Nuclear instrumentation - Instruments, systems, equipment and detectors - -
IEC 61577 series
Radiation protection instrumentation - Radon and radon decay product measuring instruments
EN 61577 series
ISO/IEC 17025 -
General requirements for the competence of testing and calibration laboratories EN ISO/IEC 17025 -
ISO/IEC Guide 99 2007
International vocabulary of metrology - Basic and general concepts and associated terms (VIM) - -
ICRP 32 - Annals of the ICRP, Publication N° 32, Limits for inhalation of Radon Daughters by Workers, Vol. 6, N°1, 1981, Pergamon Press - - ICRP 38 - Annals of the ICRP, Publication N° 38, Radionuclide transformations, Energy and Intensity of Emissions, Vol. 11 – 13, 1983, Pergamon Press - - ICRP 65 - Annals of the ICRP, Publication N° 65, ICRP Publication 65: Protection against Radon-222 at Home and at Work, Vol. 23/2, 1994, Pergamon Press - -
IEC 61577-4Edition 1.0 2009-02INTERNATIONAL STANDARD NORME INTERNATIONALERadiation protection instrumentation – Radon and radon decay product measuring instruments –
Part 4: Equipment for the production of reference atmospheres containing radon isotopes and their decay products (STAR)
Instrumentation pour la radioprotection – Instruments de mesure du radon et des descendants du radon –
Partie 4: Dispositif pour la réalisation d’atmosphères de référence contenant des isotopes du radon et leurs descendants (STAR)
INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE UICS 13.280 PRICE CODECODE PRIXISBN 978-2-88910-545-8
– 2 – 61577-4 © IEC:2009 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope and object.7 2 Normative references.7 3 Terms, definitions and units.8 3.1 General terms and definitions.8 3.2 Specific terms and definitions.9 3.3 Units and conversion factors.12 4 General description of a System for Test Atmospheres with Radon (STAR).13 4.1 General.13 4.2 Mode of operation of a STAR.14 4.2.1 Static mode of operation.14 4.2.2 Dynamic mode of operation.14 5 Characteristics of a STAR.15 5.1 General.15 5.2 STAR for radon.16 5.2.1 General.16 5.2.2 Technical characteristics of STAR containers.16 5.2.3 Radon sources.16 5.2.4 222Rn
and 220Rn analysis and control.17 5.2.5 Analysis and control of climatic parameters.18 5.3 STAR for radon and RnDP.18 5.3.1 General.18 5.3.2 Technical characteristics of STAR containers.18 5.3.3 RnDP sources.18 5.3.4 RnDP analysis and control.19 5.3.5 Sampling flow rate of equipment under test.19 5.3.6 Analysis and control of climatic parameters.20 6 Requirements for the reference atmosphere provided by STAR.20 6.1 General.20 6.2 Reference conditions.20 6.3 Influence quantities.21 6.3.1 General.21 6.3.2 Temperature.22 6.3.3 Relative humidity.22 6.3.4 Atmospheric pressure.22 6.3.5 Ambient gamma field.23 6.3.6 Working range for exposure to RnDP.23 6.3.7 Working range for aerosols.23 6.3.8 Exposure time for the instrument under test.23 7 Calibration and traceability of measurement methods and instruments used in a STAR.23 7.1 Traceability chains.23 7.2 Quality assurance.24 Annex A (informative)
Characteristics of atmospheres that can be simulated in a STAR.25 SIST EN 61577-4:2015

61577-4 © IEC:2009 – 3 – Bibliography.27
Figure 1 – Components of a STAR: general case.13 Figure 2 – Minimum requirements for a STAR.14 Figure 3 – Dynamic mode of operation of a STAR.15
Table 1 – Reference and standard test conditions.21 Table 2 – Tests with variation of the influence quantities.21 Table A.1 – Atmosphere characteristic ranges (typical values).26
SIST EN 6157
...