1、BRITISH STANDARD BS EN 13763-20:2003 Explosives for civil uses Detonators and relays Part 20: Determination of total electrical resistance of electric detonators The European Standard EN 13763-20:2003 has the status of a British Standard ICS 71.100.30 BS EN 13763-20:2003 This British Standard, was p
2、ublished under the authority of the Standards Policy and Strategy Committee on 19 November 2003 BSI 19 November 2003 ISBN 0 580 42941 5 National foreword This British Standard is the official English language version of EN 13763-20:2003. The UK participation in its preparation was entrusted to Techn
3、ical Committee CII/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 docu
4、ment 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 of British Standards Online. This publication does not purport to include all the necessary provisions of a contract.
5、 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; present to the responsible international/European committee any enquiries on the interpretation, or proposals for ch
6、ange, 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 cover, an inside front cover, the EN title page, pages 2 to 8, an inside back cover and a back cover. The BSI copyright no
7、tice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1376320 November2003 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart20: Determinationoftot
8、alelectricalresistanceofelectricdetonators ExplosifsusagecivilDtonateursetrelaisPartie20: Dterminationdelarsistanceglobaledesdtonateurs lectriques ExplosivstoffefrzivileZweckeZnderund VerzgerungselementeTeil20:Bestimmungdes GesamtwiderstandeselektrischerZnder ThisEuropeanStandardwasapprovedbyCENon1S
9、eptember2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementC
10、entreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsb
11、odiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG Mana
12、gementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1376320:2003EEN1376320:2003(E) 2 Contents page Foreword3 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Principle5 5 Apparatus .5 6 TestPie
13、ces . 5 7 Procedure .6 8 Testreport . .6 AnnexA (informative) Rangeofapplicabilityofthetestmethod.7 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives. . 8EN1376320:2003(E) 3 Foreword Thisdocument(EN1376320:2003)hasbeenpreparedbytheTech
14、nicalCommitteeCEN/TC321“Explosivesfor civiluses“,thesecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMay2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby May2004. Thisdocume
15、nthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsoftheEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisstandard. ThisEuropeanStandardisoneofaseriesofstandardswiththegen
16、erictitle ExplosivesforcivilusesDetonators andrelays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1:Requirements EN137632 Part2:Determinationofthermalstability EN137633 Part3:Determinationofsensitivenesstoimpact EN137634 Part4:Determinationofresistancetoabrasionofleadingwiresandshocktube
17、s EN137635 Part5:Determinationofresistancetocuttingdamageofleadingwiresandshocktubes EN137636 Part6:Determinationofresistancetocrackingatlowtemperaturesofleadingwires EN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures EN137638 Part8:Determinat
18、ionofresistancetovibrationofplaindetonators EN137639 Part9:Determinationofresistancetobendingofdetonators EN1376311 Part11:Determinationofresistancetodamagebydroppingofdetonatorsandrelays EN1376312 Part12:Determinationofresistancetohydrostaticpressure prEN1376313 Part13:Determinationofresistanceofel
19、ectricdetonatorsagainstelectrostaticdischarge prEN1376315 Part15:Determinationofequivalentinitiatingcapability prEN1376316 Part16:Determinationofdelayaccuracy prEN1376317 Part17:Determinationofnofirecurrentofelectricdetonators prEN1376318 Part18:Determinationofseriesfiringcurrentofelectricdetonators
20、 prEN1376319 Part19:Determinationoffiringimpulseofelectricdetonators prEN1376321 Part21:Determinationofflashovervoltageofelectricdetonators prEN1376322 Part22:Determinationofcapacitance,insulationresistanceandinsulationbreakdownofleading wiresEN1376320:2003(E) 4 EN1376323 Part23:Determinationofthesh
21、ockwavevelocityofshocktubes EN1376324 Part24:Determinationoftheelectricalnonconductivityofshocktubes prEN1376325 Part25:Determinationoftransfercapabilityofsurfaceconnectorsandcouplingaccessories prEN1376326 Part26:Definitions,methodsandrequirementsfordevicesandaccessoriesforreliableandsafe functiono
22、fdetonatorsandrelays CEN/TS1376327 Part27:Definitions,methodsandrequirementsforelectronicinitiationsystems AnnexAisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,
23、Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN1376320:2003(E) 5 1Scope ThisEuropeanStandardspecifiesamethodfordeterminingtheelectricalresistanceofelectricdetonators. 2 Normativ
24、ereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean
25、 Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN138571:2003; ExplosivesforcivilusesPart1:Terminology. ENISO/IEC17025;Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO/IEC 17
26、025:1999). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN138571:2003apply. 4Principle Thetotalelectricalresistanceofanelectricdetonatorismeasuredattheendsoftheleadingwiresusingan ohmmeter. 5Apparatus 5.1 Ohmmeter, capableofmeasuringtoanaccuracyof+0,05 with
27、amaximummeasuringcurrentnogreater than15mA. Note:Thelimitonthemaximummeasuringcurrentisanimportantsafetyfeature,inordertoeliminatetheriskofinitiationo fa detonatorduringthetest. 6 TestPieces Select50detonatorsofaspecifictype,havingthesamelengthofleadingwiresandthesamedesignand constructionoftheleadi
28、ngwiresandthefusehead.EN1376320:2003(E) 6 7Procedure Transformercouplingunitsofmagneticallycoupleddetonatorsshallberemovedbeforetesting. Conditionthedetonatorsfor2hat(20 2) o Cimmediatelypriortotestingandcarryoutthetestat (20 2) o C. Testeachdetonatorseparately. Placethedetonatorinasafetyblockandmea
29、suretheelectricalresistanceatthestrippedendsoftheleadingwires usingtheohmeter. Recordtheelectricalresistanceinohmsforeachdetonatortested. 8 Testreport ThetestreportshallconformtoENISO/IEC17025.Inaddition,theindividualtestresultsforthetotalresistance,in ohms,shallbegiven.EN1376320:2003(E) 7 Annex A (
30、informative) Rangeofapplicabilityofthetestmethod Rangeofapplicabilityofthetestmethod:30 Cto+80 C.EN1376320:2003(E) 8 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives. ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEur
31、opeanCommissionandthe EuropeanFreeTradeAssociationandsupportstheessentialsafetyrequirementsofEUDirective93/15/EEC. WARNING:OtherrequirementsandotherEUDirectivesmaybeapplicabletotheproduct(s)fallingwithinthe scopeofthisstandard. TheclausesofthisstandardarelikelytosupportrequirementsI.1,I.2,II.1(a)ofD
32、irective93/15/EEC. Compliancewiththisstandardprovidesonemeansofconformingwiththespecificessentialrequirementsofthe DirectiveconcernedandassociatedEFTAregulations.blankBS EN 13763-20:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body r
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