EN 60861-2008 en Equipment for monitoring of radionuclides in liquid effluents and surface waters《排出废液和地表水中放射性核的监测设备》.pdf
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1、BRITISH STANDARDBS EN 60861:2008Equipment for monitoring of radionuclides in liquid effluents and surface watersICS 13.280g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g
2、44g42g43g55g3g47g36g58BS EN 60861:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 September 2006 BSI 2008ISBN 978 0 580 62861 0National forewordThis British Standard is the UK implementation of EN 60861:2008. It is derived from IEC 608
3、61:2006. It supersedes BS IEC 60861:2006 which is withdrawn.The CENELEC common modifications have been implemented at the appropriate places in the text. The start and finish of each common modification is indicated in the text by tags .The UK participation in its preparation was entrusted to Techni
4、cal Committee NCE/2, Radiation protection and measurement.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compl
5、iance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate Comments31 July 2008 This corrigendum renumbers BS IEC 60861:2006 as BS EN 60861:2008, and introduces CENELECs common modificationsEUROPEAN STANDARD EN 60861 NORME EUROPENNE
6、 EUROPISCHE NORM March 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitation in any for
7、m and by any means reserved worldwide for CENELEC members. Ref. No. EN 60861:2008 E ICS 13.280 English version Equipment for monitoring of radionuclides in liquid effluents and surface waters (IEC 60861:2006, modified) Equipements pour la surveillance des radionuclides dans les effluents liquides et
8、 les eaux de surface (CEI 60861:2006, modifie) Einrichtungen zur berwachung von Radionukliden in flssigen Ableitungen und Oberflchengewssern (IEC 60861:2006, modifiziert) This European Standard was approved by CENELEC on 2008-02-01. CENELEC members are bound to comply with the CEN/CENELEC Internal R
9、egulations 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 Central Secretariat or to any CENELEC member.
10、 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 Central Secretariat has the same status as the official versions. CENELEC me
11、mbers are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slov
12、enia, Spain, Sweden, Switzerland and the United Kingdom. Foreword The text of the International Standard IEC 60861:2006, prepared by SC 45B, Radiation protection instrumentation, of IEC TC 45, Nuclear instrumentation, together with the common modifications prepared by the Technical Committee CENELEC
13、 TC 45B, Radiation protection instrumentation, was submitted to the formal vote and was approved by CENELEC as EN 60861 on 2008-02-01. The following dates were fixed : latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorseme
14、nt (dop) 2009-02-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2011-02-01 Clauses, subclauses, notes, tables and figures which are additional to those in IEC 60861 are prefixed “Z”. Annex ZA has been added by CENELEC. _ Endorsement notice The text
15、of International Standard IEC 60861:2006 was approved by CENELEC as a European Standard with agreed common modifications. _ BS EN 60861:2008 2 CONTENTS 1 Scope 5 2 Normative references .6 3 Terms and definitions .7 4 Classification of equipment .12 5 Equipment design.12 5.1 Measurement and indicatio
16、n characteristics .12 5.2 Reliability 13 5.3 Sampling assembly13 5.4 Detection assembly .14 5.5 Control assembly.15 5.6 Measurement assembly .15 5.7 Alarm assembly.15 5.8 Indication facilities.16 5.9 Facilities for operational testing .16 5.10 Installation and maintenance facilities 16 5.11 Ambient
17、ionizing radiation protection devices .17 5.12 User safety17 5.13 Electromagnetic compatibility.17 5.14 Power supply.18 6 Test procedures .18 6.1 General .18 6.2 Tests performed under standard test conditions .18 6.3 Tests performed with variation of influence quantities.19 6.4 Metrological characte
18、ristics19 6.5 Test sources19 7 Radiation performance tests .20 7.1 Reference response 20 7.2 Sensitivity and relative response of the equipment for a solid source 21 7.3 Linearity 21 7.4 Repeatability of the equipment.22 7.5 Reproducibility of results of measurements 23 7.6 Response time 23 7.7 Unif
19、ormity of the protective screens for the beta detector .24 7.8 Overload test.25 7.9 Response to other artificial radionuclides .25 7.10 Response to 222Rn progeny dissolved in water.25 7.11 Response to ambient gamma radiation.26 7.12 Influence of materials in suspension in liquid on activity measurem
20、ent27 8 Liquid circuit performance tests 28 8.1 General .28 8.2 Flow-rate stability 28 8.3 Cleaning efficiency .28 BS EN 60861:2008 3 9 Electrical performance tests29 9.1 Warm-up time Detection and measurement assemblies .29 9.2 Power-supply variations.29 9.3 Power-supply transient effects .30 9.4 A
21、larm-trip stability30 9.5 Alarm-trip range.30 9.6 Fault alarm31 10 Environmental performance test31 10.1 Ambient temperature .31 10.2 Relative humidity .32 10.3 External electromagnetic immunity and electrostatic discharge .32 10.4 Electromagnetic emission 32 11 Type test report32 12 Certificate 33
22、13 Operation and maintenance manual 33 Annex A (informative) Guidance for use with radioactive water monitors .38 Annex B (informative) Realization of an artificial effluent for testing 40 Table 1 Reference and standard test conditions .34 Table 2 Tests performed under standard test conditions .35 T
23、able 3 Tests performed with variation of influence quantities.36 Table 4 Tests of liquid circuit37 BS EN 60861:2008 4 Annex ZA (normative) Normative references to international publications with their41corresponding European publicationsEQUIPMENT FOR MONITORING OF RADIONUCLIDES IN LIQUID EFFLUENTS A
24、ND SURFACE WATERS 1 Scope This International Standard defines technical requirements for equipment for monitoring of alpha-, beta- or gamma-emitting radionuclides in liquid effluents and surface waters, provides some general guidance as to the possible detection capability of such equipment and indi
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