BS-EN-60861-2008.pdf
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1、BRITISH STANDARD BS EN 60861:2008 Equipment for monitoring of radionuclides in liquid effluents and surface waters ICS 13.280 ? Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:15:33 MDTNo r
2、eproduction or networking permitted without license from IHS -,-,- BS EN 60861:2008 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 September 2006 BSI 2008 ISBN 978 0 580 62861 0 National foreword This British Standard is the UK implementa
3、tion of EN 60861:2008. It is derived from IEC 60861:2006. It supersedes BS IEC 60861:2006 which is withdrawn.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 parti
4、cipation in its preparation was entrusted to Technical 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. Us
5、ers are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComments 31 July 2008This corrigendum renumbers BS IEC 60861:2006 as BS EN 60861:2008, and introduces CENELECs common
6、modifications Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:15:33 MDTNo reproduction or networking permitted without license from IHS -,-,- EUROPEAN STANDARD EN 60861 NORME EUROPENNE EURO
7、PISCHE 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 form and
8、 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 les
9、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 Regula
10、tions 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. This
11、 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 members
12、 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, Slovenia,
13、 Spain, Sweden, Switzerland and the United Kingdom. Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:15:33 MDTNo reproduction or networking permitted without license from IHS -,-,- Foreword
14、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 TC 45B, Radiation protection instrumentation, was submitted to th
15、e 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 endorsement (dop) 2009-02-01 latest date by which the national standards co
16、nflicting 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 of International Standard IEC 60861:2006 was approved by CENELEC a
17、s a European Standard with agreed common modifications. _ BS EN 60861:2008 2 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:15:33 MDTNo reproduction or networking permitted without license
18、 from IHS -,-,- 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 indication characteristics .12 5.2 Reliability 13 5.3 Sampling assembly13 5.4 Detection assembly .14 5.5 Control assembly.15 5.6 Measurem
19、ent 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 ionizing radiation protection devices .17 5.12 User safety17 5.13 Electromagnetic compatibility.17 5.14 Power supply.18 6 Test p
20、rocedures .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 characteristics19 6.5 Test sources19 7 Radiation performance tests .20 7.1 Reference response 20 7.2 Sensitivity and relative response of
21、 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 Uniformity of the protective screens for the beta detector .24 7.8 Overload test.25 7.9 Response to other artificial radionuclides .2
22、5 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 measurement27 8 Liquid circuit performance tests 28 8.1 General.28 8.2 Flow-rate stability 28 8.3 Cleaning efficiency .28 BS EN 60861:200
23、8 3 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 21:15:33 MDTNo reproduction or networking permitted without license from IHS -,-,- 9 Electrical performance tests29 9.1 Warm-up time Detecti
24、on and measurement assemblies .29 9.2 Power-supply variations.29 9.3 Power-supply transient effects .30 9.4 Alarm-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 immuni
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