1、NORMEINTERNATIONALEINTERNATIONALSTANDARDCEIIEC468Premire ditionFirst edition1974Mthode de mesure de la rsistivitdes matriaux mtalliquesMethod of measurement of resistivityof metallic materialsIECNumro de rfrenceReference numberCEI/IEC 468:1974LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL U
2、SE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Numros des publicationsDepuis le ter janvier 1997,les publications de la CEIsont numrotes partir de 60000.Publications consolidesLes versions consolides de certaines publications dela CEI incorporant les amendements sont disponibles.Par exemple
3、,les numros ddition 1.0,1.1 et 1.2indiquent respectivement la publication de base,lapublication de base incorporant lamendement 1,et lapublication de base incorporant les amendements 1et 2.Validit de la prsente publicationLe contenu technique des publications de la CEI estconstamment revu par la CEI
4、 afin quil reflte ltatactuel de la technique.Des renseignements relatifs la date dereconfirmation de la publication sont disponibles dansle Catalogue de la CEI.Les renseignements relatifs des questions ltude etdes travaux en cours entrepris par le comit techniquequi a tabli cette publication,ainsi q
5、ue la liste despublications tablies,se trouvent dans les documents ci-dessous:Site web de la CEI*Catalogue des publications de la CEIPubli annuellement et mis jour rgulirement(Catalogue en ligne)*Bulletin de la CEIDisponible la fois au site web de la CEI*etcomme priodique imprimTerminologie,symboles
6、 graphiqueset littrauxEn ce qui concerne la terminologie gnrale,le lecteurse reportera la CEI 60050:Vocabulaire lectro-technique International(VEI).Pour les symboles graphiques,les symboles littrauxet les signes dusage gnral approuvs par la CEI,lelecteur consultera la CEI 60027:Symboles littraux uti
7、liser en lectrotechnique,la CEI 60417:Symbolesgraphiques utilisables sur le matriel.Index,relev etcompilation des feuilles individuelles,et la CEI 60617:Symboles graphiques pour schmas.NumberingAs from 1 January 1997 all IEC publications areissued with a designation in the 60000 series.Consolidated
8、publicationsConsolidated versions of some IEC publicationsincluding amendments are available.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,tothe base publication,the base publicationincorporating amendment 1 and the base publicationincorporating amendments 1 and 2.Validity of this p
9、ublicationThe technical content of IEC publications is kept underconstant review by the IEC,thus ensuring that thecontent reflects current technology.Information relating to the date of the reconfirmation ofthe publication is available in the IEC catalogue.Information on the subjects under considera
10、tion andwork in progress undertaken by the technicalcommittee which has prepared this publication,as wellas the list of publications issued,is to be found at thefollowing IEC sources:IEC web site*Catalogue of IEC publicationsPublished yearly with regular updates(On-line catalogue)*IEC BulletinAvaila
11、ble both at the IEC web site*and as aprinted periodicalTerminology,graphical and lettersymbolsFor general terminology,readers are referred toIEC 60050:International Electrotechnical Vocabulary(IEV).For graphical symbols,and letter symbols and signsapproved by the IEC for general use,readers arerefer
12、red to publications IEC 60027:Letter symbols tobe used in electrical technology,IEC 60417:Graphicalsymbols for use on equipment.Index,survey andcompilation of the single sheets and IEC 60617:Graphical symbols for diagrams.*Voir adresse site web sur la page de titre.?*See web site address on title pa
13、ge.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.IECCODE PRIXPRICE CODEPNORMEINTERNATIONALEINTERNATIONALSTANDARDCEIIEC468Premire ditionFirst edition1974Mthode de mesure de la rsistivitdes matriaux mtalliquesMethod of measurement of r
14、esistivityof metallic materials CEI 1974 Droits de reproduction rservs Copyright-all rights reservedAucune partie de cette publication ne peut tre reproduite ni?No part of this publication may be reproduced or utilized inutilise sous quelque forme que ce soit et par aucun pro-?any form or by any mea
15、ns,electronic or mechanical,cd,lectronique ou mcanique,y compris la photocopie et?including photocopying and microfilm,without permissionles microfilms,sans laccord crit de lditeur.?in writing from the publisher.Bureau Central de la Commission Electrotechnique Internationale 3,rue de Varemb Genve,Su
16、isseCommission Electrotechnique InternationaleInternational Electrotechnical CommissionMcH+ayHapoaHaa 3neKrporexHH4ecKaa HOMHCCHR?Pour prix,voir catalogue en vigueurFor price,see current catalogueLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 SOMMAIREPagesPRAMBULE 4PRFACE 4Articles1.Domaine dapplication 62.Objet 63.Mthode64.Dfinitions 64.1 Rsistivit(volumique)64.2 Densirsistivit 84.3 Rsistance linique 84.4 Conductivit relative d
