1、NORMEINTERNATIONALEINTERNATIONALSTANDARDCEIIEC60068-2-71983AMENDEMENT 1AMENDMENT 11986-06Amendement 1Essais fondamentaux climatiqueset de robustesse mcanique Deuxime partie:Essais Essai Ga et guide:Acclration constanteAmendment 1Basic environmental testing procedures Part 2:Tests Test Ga and guidanc
2、e:Acceleration,steady state IEC 1986 Droits de reproduction rservs Copyright-all rights reservedInternational Electrotechnical Commission?3,rue de Varemb Geneva,SwitzerlandTelefax:+41 22 919 0300?e-mail:inmailiec.ch?IEC web site http:/www.iec.chIECCommission Electrotechnique.InternationaleInternatio
3、nal Electrotechnical CommissionMeruyHapogHaR 3neKTpoTeXHH4ecHaR HOMHCCHA?CODE PRIXPRICE CODEPour 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.Rapport de voteRgle des Six M
4、ois50A(BC)17250A(BC)167Acclrationm/s230501002005001 0002 0005 00010 00020 00050 000100 000200 000300 000500 000 2 68-2-7 C E I 1986PRFACELa prsente modification a t tablie par le Sous-Comit 50A:Essais de chocs et de vibrations,du Comit dEtudes n 50 de la C E I:Essais climatiques et mcaniques.Le text
5、e de cette modification est issu des documents suivants:Pour de plus amples renseignements,consulter le rapport de vote mentionn dans le tableauci-dessus.Page 104.SvritsSupprimer la totalit du deuxime alina existant et le remplacer par le suivant:Les niveaux dessai normaliss sont les suivants:Note.C
6、ette note est destine ceux qui voudraient toujours donner des valeurs dacclration en go ou,ce quiest dconseill,en g.g est dfini comme lacclration normalise de la pesanteur(variable en fonction de laltitude et de lalatitude).Dans le cadre de la prsente norme,la valeur de go est arrondie lunit la plus
7、 proche,cest-dire 10 m/s2.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Report on VotingSix Months Rule50A(CO)17250A(CO)167Accelerationm/s2305010020050010002 0005 00010 00020 00050 000100 000200 000300 000500 00068-2-7 I E C 1986 3 P
8、REFACEThis amendment has been prepared by Sub-Committee 50A:Shock and Vibration Tests,ofI E C Technical Committee No.50:Environmental Testing.The text of this amendment is based on the following documents:Further information can be found in the Report on Voting indicated in the table above.Page 114.
9、SeverityDelete the whole of the existing second paragraph and substitute the following:The standard levels of test are:Note.This note is included for the benefit of those who might still wish to give values of acceleration in terms ofg or the deprecated g.g is defined as the standard acceleration du
10、e to the earths gravity which itself varies with altitude andgeographical latitude.For the purposes of this standard,the value of gn is rounded up to the nearest unity,that is 10 m/s2.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Acc
11、lration,am/s230 5 a 10050 a 5 200100 5 a 1 000a 5 00068-2-7 C E I 1986 4 Page 22Tableau I:Exemples de svrits dessai typiquesSupprimer les deux premires colonnes et les remplacer par ce qui suit:LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY
12、BUREAU.Acceleration,am/s230 5 a 5 10050 5 a 200100 5 a 1 000a 5 00068-2-7 I E C 1986 5 Page 23Table I:Examples of test severities typically employed for various applicationsDelete the first two columns of the table and substitute the following:LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.ICS 19.080Typeset and printed by the IEC Central OfficeGENEVA,SWITZERLANDLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.