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SAETECHNICALSTANDARDSBOARDRULESPROVIDETHAT“THISREPORTISPUBLISHEDBYSAETOADVANCETHESTATEOFTECHNICALANDENGINEERINGSCIENCESTHEUSEOFTHISREPORTISENTIRELYVOLUNTARY,ANDITSAPPLICABILITYANDSUITABILITYFORANYPARTICULARUSE,INCLUDINGANYPATENTINFRINGEMENTARISINGTHEREFROM,ISTHESOLERESPONSIBILITYOFTHEUSER”SAEREVIEWSEACHTECHNICALREPORTATLEASTEVERYFIVEYEARSATWHICHTIMEITMAYBEREAFFIRMED,REVISED,ORCANCELLEDSAEINVITESYOURWRITTENCOMMENTSANDSUGGESTIONSQUESTIONSREGARDINGTHISDOCUMENT4127728512FAX4127760243TOPLACEADOCUMENTORDER4127764970FAX4127760790SAEWEBADDRESSHTTP/WWWSAEORGCOPYRIGHT1994SOCIETYOFAUTOMOTIVEENGINEERS,INCALLRIGHTSRESERVEDPRINTEDINUSASURFACEVEHICLE400COMMONWEALTHDRIVE,WARRENDALE,PA150960001RECOMMENDEDPRACTICESUBMITTEDFORRECOGNITIONASANAMERICANNATIONALSTANDARDJ1455REVAUG94ISSUED198801REVISED199408SUPERSEDINGJ1455JAN88RJOINTSAE/TMCRECOMMENDEDENVIRONMENTALPRACTICESFORELECTRONICEQUIPMENTDESIGNHEAVYDUTYTRUCKS1SCOPETHECLIMATIC,DYNAMIC,ANDELECTRICALENVIRONMENTSFROMNATURALANDVEHICLEINDUCEDSOURCESTHATINFLUENCETHEPERFORMANCEANDRELIABILITYOFVEHICLEANDTRACTOR/TRAILERELECTRONICCOMPONENTS,AREINCLUDEDINTHISSAERECOMMENDEDPRACTICETESTMETHODSTHATCANBEUSEDTOSIMULATETHESEENVIRONMENTALCONDITIONSAREALSOINCLUDEDTHISINFORMATIONISAPPLICABLETODIESELPOWERTRUCKSINCLASSES6,7,AND811PURPOSETHISGUIDELINEISINTENDEDTOAIDTHEDESIGNEROFAUTOMOTIVEELECTRONICSYSTEMSANDCOMPONENTSBYPROVIDINGMATERIALTHATMAYBEUSEDTODEVELOPENVIRONMENTALDESIGNGOALS2REFERENCES21APPLICABLEPUBLICATIONSTHEFOLLOWINGPUBLICATIONSFORMAPARTOFTHESPECIFICATIONTOTHEEXTENTSPECIFIEDHEREINUNLESSOTHERWISEINDICATEDTHELATESTREVISIONOFSAEPUBLICATIONSSHALLAPPLY211SAEPUBLICATIONSAVAILABLEFROMSAE,400COMMONWEALTHDRIVE,WARRENDALE,PA150960001SAEJ400TESTFORCHIPRESISTANCEOFSURFACECOATINGSSAEJ726AIRCLEANERTESTCODESAEJ1113NEWDRAFTELECTROMAGNETICSUSCEPTIBILITYPROCEDURESFORVEHICLECOMPONENTSEXCEPTAIRCRAFTSAEJ1211RECOMMENDEDENVIRONMENTALPRACTICESFORELECTRONICEQUIPMENTDESIGNSAEJ1812FUNCTIONPERFORMANCESTATUSCLASSIFICATIONFOREMCSUSCEPTIBILITYTESTINGOFAUTOMOTIVEELECTRONICANDELECTRICALDEVICES212ASTMPUBLICATIONSAVAILABLEFROMASTM,100BARRHARBORDRIVE,WESTCONSHOHOCKEN,PA194282959ASTMC15084SPECIFICATIONFORPORTLANDCEMENTASTMB11773STANDARDMETHODOFSALTSPRAYFOGTESTINGASTMD77580METHODFORDROPTESTFORLOADEDBOXESASTMD88079METHODFORINCLINEIMPACTTESTFORSHIPPINGCONTAINERS213MILITARYPUBLICATIONSAVAILABLEFROMUSGOVERNMENT,DODSSP,SUBSCRIPTIONSERVICEDIVISION,BUILDING4D,700ROBBINSAVENUE,PHILADELPHIA,PA191115094MILSTD810D,19JULY1983ENVIRONMENTALTESTMETHODSANDENGINEERINGGUIDELINESMILSTD202F,01APRIL1980TESTMETHODSFORELECTRONICANDELECTRICALCOMPONENTPARTSSAEJ1455REVISEDAUG942214RELATEDPUBLICATIONSTHEFOLLOWINGPUBLICATIONSAREPROVIDEDFORINFORMATIONPURPOSESONLYANDARENOTAREQUIREDPARTOFTHISDOCUMENTTAPPIT80183TAPPIT802813APPLICATION31ENVIRONMENTALDATAANDTESTMETHODVALIDITYTHEINFORMATIONINCLUDEDINTHEFOLLOWINGSECTIONSISBASEDUPONTESTRESULTSACHIEVEDBYMAJORNORTHAMERICANTRUCKMANUFACTURERSANDCOMPONENTEQUIPMENTSUPPLIERSOPERATINGEXTREMESWEREMEASUREDATTESTINSTALLATIONSNORMALLYUSEDBYMANUFACTURERSTOSIMULATEENVIRONMENTALEXTREMESFORVEHICLESANDORIGINALEQUIPMENTCOMPONENTSTHEYAREOFFEREDASADESIGNSTARTINGPOINTGENERALLY,THEYCANNOTBEUSEDDIRECTLYASASETOFOPERATINGSPECIFICATIONSBECAUSESOMEENVIRONMENTALCONDITIONSMAYCHANGESIGNIFICANTLYWITHRELATIVELYMINORPHYSICALLOCATIONCHANGESTHISISPARTICULARLYTRUEOFVIBRATION,ENGINECOMPARTMENTTEMPERATURE,ANDELECTROMAGNETICCOMPATIBILITYACTUALMEASUREMENTSSHOULDBEMADEASEARLYASPRACTICABLETOVERIFYTHESEPRELIMINARYDESIGNBASELINESTHEPROPOSEDTESTMETHODSARECURRENTLYBEINGUSEDFORLABORATORYSIMULATIONORARECONSIDEREDTOBEAREALISTICAPPROACHTOENVIRONMENTALDESIGNVALIDATIONTHEYARENOTINTENDEDTOREPLACEACTUALOPERATIONALTESTSUNDERADVERSECONDITIONSTHERECOMMENDEDMETHODSDESCRIBESTANDARDCYCLESFOREACHTYPEOFTESTTHEDESIGNERMUSTSPECIFYTHENUMBEROFCYCLESOVERWHICHTHEVEHICLEELECTRONICCOMPONENTSSHOULDBETESTEDTHENUMBEROFCYCLESWILLVARYDEPENDINGUPONEQUIPMENT,LOCATION,ANDFUNCTIONWHILETHESTANDARDTESTCYCLEISREPRESENTATIVEOFANACTUALSHORTTERMENVIRONMENTALCYCLE,NOATTEMPTISMADETOEQUATETHISCYCLETOANACCELERATIONFACTORFORRELIABILITYORDURABILITYTHESECONSIDERATIONSAREBEYONDTHESCOPEOFTHISDOCUMENT32ORGANIZATIONOFTESTMETHODSANDENVIRONMENTALEXTREMESINFORMATION321THEDATAPRESENTEDINTHISDOCUMENTARECONTAINEDINSECTIONS4AND5SECTION4,ENVIRONMENTALFACTORSANDTESTMETHODS,DESCRIBESTHETHIRTEENCHARACTERISTICSOFTHEEXPECTEDENVIRONMENTTHATHAVEANIMPACTONTHEPERFORMANCEANDRELIABILITYOFTRUCKANDBUSELECTRONICSYSTEMSTHESEDESCRIPTIONSARETITLEDATEMPERATUREBHUMIDITYCSALTSPRAYATMOSPHEREDIMMERSIONANDSPLASHWATER,CHEMICALS,ANDOILSESTEAMCLEANINGANDPRESSUREWASHINGFFUNGUSGDUST,SAND,ANDGRAVELBOMBARDMENTHALTITUDEIMECHANICALVIBRATIONJMECHANICALSHOCKKGENERALHEAVYDUTYTRUCKELECTRICALENVIRONMENTLSTEADYSTATEELECTRICALCHARACTERISTICSMTRANSIENT,NOISE,ANDELECTROSTATICCHARACTERISTICSNELECTROMAGNETICCOMPATIBILITY/ELECTROMAGNETICINTERFERENCETHEYAREORGANIZEDTOCOVERTHREEFACETSOFEACHFACTOR1DEFINITIONOFTHEFACTOR2DESCRIPTIONOFITSEFFECTONCONTROL,PERFORMANCE,ANDLONGTERMRELIABILITY3AREVIEWOFPROPOSEDTESTMETHODSFORSIMULATINGENVIRONMENTALSTRESSSAEJ1455REVISED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