1、BRITISH STANDARD BS EN 13745:2004 Surfaces for sports areas Determination of specular reflectance The European Standard EN 13745:2004 has the status of a British Standard ICS 59.080.60; 97.150; 97.220.10 BS EN 13745:2004 This British Standard was published under the authority of the Standards Policy
2、 and Strategy Committee on 26 February 2004 BSI 26 February 2004 ISBN 0 580 43484 2 National foreword This British Standard is the official English language version of EN 13745:2004. EN 13745:2004 is one of a series of standards being produced by CEN/TC 217. On publication of the entire series of Eu
3、ropean Standards, the BS 7044 series will be withdrawn. The UK participation in its preparation was entrusted to Technical Committee PRI/57, Surfaces for sports areas, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary.
4、Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or
5、 of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text
6、; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cove
7、r, an inside front cover, the EN title page, pages 2 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13745 February2004 I
8、CS59.080.60;97.150;97.220.10 Englishversion SurfacesforsportsareasDeterminationofspecular reflectance SolssportifsDterminationdelarflectancespculaire SportbdenBestimmungdergerichtetenReflexion ThisEuropeanStandardwasapprovedbyCENon10December2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalR
9、egulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialv
10、ersions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Fin
11、land,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ru
12、edeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13745:2004:EEN13745:2004(E) 2 Contents page Foreword. 3 1 Scope . 4 2 Normativereferences . 4 3 Principle. 4 4A p p a r a t u s (seeFigure1) . 4 5 Testpiece . 5 6 Condit
13、ioning 5 7 Procedure 5 8 Expressionofresults . 6 9 Testreport . 6EN13745:2004(E) 3 Foreword Thisdocument(EN13745:2004)hasbeenpreparedbyTechnicalCommitteeCEN/TC217“Surfacesfor sportsarea”,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicatio
14、nofanidentical textorbyendorsement,atthelatestbyAugust2004,andconflictingnationalstandardsshallbewithdrawnat thelatestbyAugust2004. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Cyprus,Cze
15、chRepublic, Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania, Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,Switzerland andUnitedKingdom.EN13745:2004(E) 4 1Scope ThisEuropeanStandardspecifiesamethodforthedeterminationof
16、thespecularreflectanceofcertain surfacesforindoorsportsareas. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelisted hereafter.Fordatedreferences,subs
17、equentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies(includingamendments). ISO/CIE10526, CIEstandardilluminantsforcolorimetry. 3Principle Acollimatedincide
18、ntlightbeamisdirectedontoatestpiecetakenfromthesports surfacewhichismounted inanintegratingsphereandthetotallightreflectedisdetectedbyaphotocell. 4Apparatus (seeFigure1) 4.1 Integratingsphere ,ofanydiameter,havingamattwhiteinteriorsurfaceofsimilarreflectancetothatof thereflectancestandardandbaffles.
19、 4.2 Lightentranceportandsampleport ,bothcentredonthesamegreatcircleofthespherewithatleast 170ofarcbetweenthecentreofthelightentranceportandthecentreofthesampleport.Theaxisofthe irradiatingbeamshallpassthroughthecentresofthelightentranceandsampleports.Thesampleportshall notexceed4%oftheinternalrefle
20、ctingareaofthesphereandshallsubtendanangleof8atthecentreof thelightentranceport. 4.3 Reflectancestandard,designedaspartoftheinteriorwallofthesphereadjacenttothesampleport. Theangleofrotationshallnotexceed10. 4.4 Baffles,designedsothatlightcannotpassdirectlyfromtheentranceporttothephotocellor,inposit
21、ion 2(seeFigure1),fromtheilluminatedareaofthespherewalltothephotocell. 4.5 Mountingsfortestpiece ,suchthattheangleofincidenceofthelightbeamonthetestpieceis between80and85. NOTE Thisavoidslightwhichisspecularlyreflectedbeinglostthroughtheentranceport. 4.6 Lightsourceandfilter ,atungstenortungstenhalo
22、genlampappropriatelyfilteredtogivethecolour temperatureofoneoftheilluminantsA,CorD65inaccordancewithISO/CIE10526.Thelightbeamso providedshallbesubstantiallyunidirectional,toilluminatethetestpiece.Themaximumanglewhichanyrayof thisbeammakeswithitsaxisshallnotexceed3.Thebeamshallnotbevignettedateitherp
23、ortofthesphere. Thecrosssectionofthebeamatthesampleportshallbeapproximatelycircular,sharplydefinedand concentricwithintheport,leavinganannulusof1,30,1subtendedattheentranceport.EN13745:2004(E) 5 4.7 Photoelectriccell(s) ,positionedonthesphere9010fromthelightentranceport,tomeasurethe radiantfluxwithi
24、nthespherewithoutputmeasurementsproportionalwithin1%totheincidentfluxoverthe rangeofintensityused.Thereshallbenoreadingwhenthesphereisdark.Thephotoelectriccellshallhavea spectralresponseapproximatingtothe V(l )responseoftheeye. 4.8 Lighttrap ,suchthatwheninpositionatthesampleportandwhenthereisnotest
25、piecepresent,the lightbeamshallbetotallyabsorbedandthephotoelectriccell(4.7)outputshallbelessthan1%ofthefull scalereading. 5 Testpiece Cutthreetestpiecesfromthesurface,eachhavingadiameterequaltothatofthesampleport. 6Conditioning Conditionthetestpiecesforaminimumof3hatthetesttemperature.Unlessotherwi
26、sespecified,thetest temperatureshallbe23 C3 C. 7Procedure Ensuretheannulusdimensionsarecorrectwheneveraperturesorfocusarechanged. Withthesphereinposition1(seeFigure1)andthelightsourceswitchedoff,checkthatthephotoelectriccell readszero. Withthesphereinposition1(seeFigure1)andalighttrapinthesampleport
27、,switchonthelightsource. Measurethephotoelectriccelloutput 1 I . Withthesphereinposition2(seeFigure1),measurethephotoelectriccelloutput,whichistheincident intensity 2 I . Withthetestpieceinthesampleportandthesphereinposition1(seeFigure1),measurethephotoelectric celloutput 3 I . Repeattheprocedurefor
28、eachoftheothertwotestpieces.EN13745:2004(E) 6 8 Expressionofresults Calculatethereflectance Rofthetestpiecesinpercent(%)asfollows: 100 2 3 = I I R where 2 I isthephotoelectriccelloutputwiththesphereinposition2(seeFigure1); 3 I isthephotoelectriccelloutputwiththetestpieceinthesampleportandthespherein
29、position1(see Figure1). NOTE 1 I shouldbesufficientlysmallthatnocorrectionisrequired. Calculatethemeanofthethreereflectances. 9 Testreport Thetestreportshallincludethefollowinginformation: a) referencetothisEuropeanStandard,i.e.EN13745:2004; b) completeidentificationofthesurfacetestedincludingtype,m
30、anufacturersreferenceandprevious history; c) typeoflightsourceusedandthetypeoffilterused; d) typeofinstrumentused,includingthemakeandmodel; e) temperatureatwhichthetestwascarriedout; f)mean reflectance.EN13745:2004(E) 7 Key 1 Condenser 8 Lighttrap 2 Entrancewindow 9 Lightsource 3 Lens 10 Filter 4 Pi
31、votonwhichsphereisrotated 11 Aperture 5 Photoelectriccell 12 Integratingsphere 6 Tometer 13 Testpiece 7 Baffles Figure1HazemeterBS EN 13745:2004 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards
32、. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant
33、aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +4
34、4 (0)20 8996 9000. Fax: +44 (0)20 8996 7400. BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards. Buying standards Orders for all BSI, international and foreign standards publications should be addressed
35、to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: ordersbsi-. Standards are also available from the BSI website at http:/www.bsi-. In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as
36、British Standards, unless otherwise requested. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which giv
37、e details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: infobsi-. Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For detail
38、s of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membershipbsi-. Information regarding online access to British Standards via British Standards Online can be found at http:/www.bsi- Further information about BSI is available
39、on the BSI website at http:/www.bsi-. Copyright Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, st
40、ored in a retrieval system or transmitted in any form or by any means electronic, photocopying, recording or otherwise without prior written permission from BSI. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or g
41、rade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyrightbsi-.
