1、BRITISH STANDARD BS EN 13763-24:2002 Explosives for civil uses Detonators and relays Part 24: Determination of the electrical non-conductivity of shock tube The European Standard EN 13763-24:2002 has the status of a British Standard ICS 71.100.30 BS EN 13763-24:2002 This British Standard was publish
2、ed under the authority of the Standards Policy and Strategy Committee on 6 June 2003 BSI 6 June 2003 ISBN 0 580 42003 5 National foreword This British Standard is the official English language version of EN 13763-24:2002. The UK participation in its preparation was entrusted to Technical Committee C
3、II/61, Explosives for civil uses, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be foun
4、d in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are respo
5、nsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep t
6、he UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover. The BSI copyright date displayed in this document indicate
7、s when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1376324 September2002 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart24: Determinationoftheelectricalnonconductivityofshocktube Ex
8、plosifsusagecivilDtonateursetrelaisPartie24: Dterminationdelanonconductivitlectriquedutube transmissiondondesdechoc ExplosivestoffefrzivileZweckeZnderund VerzgerungselementeTeil24:Bestimmungder elektrischenNichtleitfhigkeitvonZndschluchen ThisEuropeanStandardwasapprovedbyCENon1August2002. CENmembers
9、areboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. T
10、hisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,C
11、zechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels
12、2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1376324:2002EEN1376324:2002(E) 2 Contents page Foreword3 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Apparatus .5 5 Testpieces. .6 6 Procedure .6 7 Testreport . .7 AnnexA (informa
13、tive) Rangeofapplicabilityofthetestmethod.8 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives. . 9EN1376324:2002(E) 3 Foreword Thisdocument(EN1376324:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,thesecreta
14、riatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMarch2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby March2003. ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEu
15、ropeanCommissionandthe EuropeanFreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). FortherelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisstandard. ThisEuropeanStandardisoneofaseriesofstandardswiththegenerictitle ExplosivesforcivilusesDetonators andr
16、elays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1:Requirements. EN137632 Part2:Determinationofthermalstability. EN137633 Part3:Determinationofsensitivenesstoimpact. prEN137634 Part4:Determinationofresistancetoabrasionofleadingwiresandshocktubes. prEN137635 Part5:Determinationofresista
17、ncetocuttingdamageofleadingwiresandshocktubes. prEN137636 Part6:Determinationofresistancetocrackinginlowtemperaturesofleadingwires. prEN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures. prEN137638 Part8:Determinationofresistancetovibrationofpl
18、aindetonators. prEN137639 Part9:Determinationofresistancetobendingofdetonators. prEN1376310 Part10:Determinationofresistancetotorsionofsealingplugs. prEN1376311 Part11:Determinationofdropresistanceofdetonatorsandrelays. prEN1376312 Part12:Determinationofresistancetohydrostaticpressure. prEN1376313 P
19、art13:Determinationofresistanceofelectricdetonatortoelectrostaticdischarge. prEN1376314 Part14:Determinationofresistanceofelectricdetonatortotheinfluenceofradiofrequency radiation. prEN1376315 Part15:Determinationofequivalentinitiatingcapability. prEN1376316 Part16:Determinationofdelayaccuracy. prEN
20、1376317 Part17:Determinationofnofirecurrentofelectricdetonators. prEN1376318 Part18:Determinationofseriesfiringcurrentofelectricdetonators. prEN1376319 Part19:Determinationoffiringpulseofelectricdetonators.EN1376324:2002(E) 4 prEN1376320 Part20:Determinationoftotalresistanceofelectricdetonators. prE
21、N1376321 Part21:Determinationofflashovervoltageofelectricdetonators. prEN1376322 Part22:Determinationofcapacitance,insulationresistanceandinsulationbreakdownofleading wires. EN1376323 Part23: Determinationoftheshockwavevelocityofshocktube. prEN1376325 Part25:Determinationoftransfercapacityofrelayand
22、couplingaccessories. prEN1376326 Part26:Definitions,methodsandrequirementsfordevicesandaccessoriesforreliableandsafe functionofdetonatorsandrelays. prCEN/TS1376327 Part27:Definitions,methodsandrequirementsforelectronicinitiationsystem. AnnexAisinformative. AccordingtotheCEN/CENELECInternalRegulation
23、s,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom.EN1376324:2002(E) 5
24、1Scope ThisEuropeanStandardspecifiesmethodsofdeterminingtheelectricalinsulationresistance(nonconductivity) andtheelectricalflashoverdistanceofshocktubesforusewithnonelectricdetonators. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.The
25、se normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicat
26、ionreferredtoapplies(includingamendments). prEN138571, ExplosivesforcivilusesPart1:Terminology . ENISO/IEC17025,Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO/IEC 17025:1999). IEC60093:1980, Methodsoftestforvolumeresistivityandsurfaceresistivityofsolidelectricalinsulating
27、materials. IEC60167:1964, Methodsoftestforthedeterminationoftheinsulationresistanceofsolidinsulatingmaterials. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninprEN138571apply. 4Apparatus 4.1 Determinationofelectricalinsulationresistance 4.1.1 Meterformeasuring
28、electricalinsulationresistance ,conformingtotherequirementsinIEC60093:1980, clause5. 4.1.2 Voltagesource ,capableofapplyingatleast500Vd.c.withnomorethan2%deviation. 4.1.3 Conditioningchamber ,capableofbeingmaintainedat(20 2)Cand(50 5)%relativehumidity. 4.2 Determinationofelectricalflashoverdistance
29、4.2.1 Voltagesource,capableofapplying10kVd.c.withnomorethan3%deviationandwiththecurrent outputlimitedtonomorethan5mA. 4.2.2 Sensingdevice ,todetectwhenanelectricalflashoverhasoccurred. 4.2.3 Twoneedleelectrodes ,withadiameterof60%to80%oftheshocktubesinternaldiameter,madefrom stainlesssteelandhavingr
30、oundedends. NOTE Theroundedendsareneededtoavoidcoronadischarges,butdonotneedprecisespecification. 4.2.4 Testrig,comprisinganelectricallyinsulatedmountingarrangementtoholdthetestpieceinposition,a fixedsupportforoneneedleelectrodeandamoveablesupportwithalinearmeasuringscalefortheotherneedle electrode,
31、asshowninFigure1.EN1376324:2002(E) 6 Key 1Fixedelectrode 2Testpiece 3Movableelectrode 4Electrodesupport 5Testpiecesupport 6Movableelectrodesupport Figure1Testrig 5 Testpieces 5.1 Determinationofelectricalinsulationresistance Select30lengthsofshocktubeeachof(100 10)mm.Iftheshocktubesareassembledwithd
32、etonators,the lengthsshallbetakenfrom30detonatorsofthesamespecifictype.Ifthedetonatorsformpartofaserieswith differentdelaytimes,selectthetestpiecesfrom30detonatorswithdelaytimesasevenlydistributedthroughout theseriesaspossible. 5.2 Determinationofelectricalflashoverdistance Select30lengthsofshocktub
33、eeachof(100 10)mm.Iftheshocktubesareassembledwithdetonators,the lengthsshallbetakenfrom30detonatorsofthesamespecifictype.Ifthedetonatorsformpartofaserieswith differentdelaytimes,selectthetestpiecesfrom30detonatorswithdelaytimesasevenlydistributedthroughout theseriesaspossible. NOTE Alternatively,the
34、lengthofthetestpiececanbedeterminedbyapreliminarytesttodeterminethemaximumflash overdistance,inwhichcasethelengthofthetestpieceshouldbeatleast10mmlongerthanthisdistance. 6Procedure 6.1 Preparationoftestpieces Conditionthetestpiecesfor24hat(20 2)Cand(50 5)%relativehumidity.EN1376324:2002(E) 7 6.2 Det
35、erminationofelectricalinsulationresistance MeasuretheinsulationresistanceofthetestpiecesaccordingtoIEC60167:1964byusingconductingpaint electrodesandbyapplyingavoltageofatleast500Vd.c. 6.3 Determinationofelectricalflashoverdistance Placethetestpieceinthemountingarrangementandinsertaneedleelectrodeatl
36、east5mmintoeachendas showninFigure1.Applythetestvoltageof10kVtotheneedleelectrodes.Slowlydecreasethedistancebetween theneedleelectrodesbyinsertingthemovableelectrodefurtherintothetestpiece.Stopmovingtheneedle electrodeassoonaselectricalflashoveroccurs.Recordthe“flashoverdistance“betweentheinserteden
37、dsofthe needleelectrodesinmillimetres. 7 Testreport ThetestreportshallconformtoENISO/IEC17025.Inaddition,thefollowinginformationshallbegiven: a) theinsulationresistance,inohms; b) theflashoverdistance,inmillimetres.EN1376324:2002(E) 8 Annex A (informative) Rangeofapplicabilityofthetestmethod Therang
38、eofapplicabilityofthetestmethod: 30Cto+80C.EN1376324:2002(E) 9 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives. ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandthe EuropeanFreeTradeAssociationands
39、upportsessentialsafetyrequirementsofEUDirective93/15/EEC. WARNING:OtherrequirementsandotherEUDirectivesmaybeapplicabletotheproduct(s)fallingwithinthe scopeofthisstandard. TheclausesofthisstandardarelikelytosupportrequirementsI.1andII.1.(a)ofDirective93/15/EEC. Compliancewiththisstandardprovidesoneme
40、ansofconformingtothespecificessentialrequirementsofthe DirectiveconcernedandassociatedEFTAregulations.BS EN 13763-24:2002 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK vi
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