Fluke789万用表校准手册英文版资料下载.pdf

Fluke789万用表校准手册英文版资料下载.pdf

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789ProcessMeterCalibrationManualPN1988891September20022002FlukeCorporation,Allrightsreserved.PrintedinUSAAllproductnamesaretrademarksoftheirrespectivecompanies.LIMITEDWARRANTYANDLIMITATIONOFLIABILITYEachFlukeproductiswarrantedtobefreefromdefectsinmaterialandworkmanshipundernormaluseandservice.Thewarrantyperiodisthreeyearsandbeginsonthedateofshipment.Parts,productrepairs,andservicesarewarrantedfor90days.Thiswarrantyextendsonlytotheoriginalbuyerorend-usercustomerofaFlukeauthorizedreseller,anddoesnotapplytofuses,disposablebatteries,ortoanyproductwhich,inFlukesopinion,hasbeenmisused,altered,neglected,contaminated,ordamagedbyaccidentorabnormalconditionsofoperationorhandling.Flukewarrantsthatsoftwarewilloperatesubstantiallyinaccordancewithitsfunctionalspecificationsfor90daysandthatithasbeenproperlyrecordedonnon-defectivemedia.Flukedoesnotwarrantthatsoftwarewillbeerrorfreeoroperatewithoutinterruption.Flukeauthorizedresellersshallextendthiswarrantyonnewandunusedproductstoend-usercustomersonlybuthavenoauthoritytoextendagreaterordifferentwarrantyonbehalfofFluke.WarrantysupportisavailableonlyifproductispurchasedthroughaFlukeauthorizedsalesoutletorBuyerhaspaidtheapplicableinternationalprice.FlukereservestherighttoinvoiceBuyerforimportationcostsofrepair/replacementpartswhenproductpurchasedinonecountryissubmittedforrepairinanothercountry.Flukeswarrantyobligationislimited,atFlukesoption,torefundofthepurchaseprice,freeofchargerepair,orreplacementofadefectiveproductwhichisreturnedtoaFlukeauthorizedservicecenterwithinthewarrantyperiod.Toobtainwarrantyservice,contactyournearestFlukeauthorizedservicecentertoobtainreturnauthorizationinformation,thensendtheproducttothatservicecenter,withadescriptionofthedifficulty,postageandinsuranceprepaid（FOBDestination）.Flukeassumesnoriskfordamageintransit.Followingwarrantyrepair,theproductwillbereturnedtoBuyer,transportationprepaid（FOBDestination）.IfFlukedeterminesthatfailurewascausedbyneglect,misuse,contamination,alteration,accident,orabnormalconditionofoperationorhandling,includingovervoltagefailurescausedbyuseoutsidetheproductsspecifiedrating,ornormalwearandtearofmechanicalcomponents,Flukewillprovideanestimateofrepaircostsandobtainauthorizationbeforecommencingthework.Followingrepair,theproductwillbereturnedtotheBuyertransportationprepaidandtheBuyerwillbebilledfortherepairandreturntransportationcharges（FOBShippingPoint）.THISWARRANTYISBUYERSSOLEANDEXCLUSIVEREMEDYANDISINLIEUOFALLOTHERWARRANTIES,EXPRESSORIMPLIED,INCLUDINGBUTNOTLIMITEDTOANYIMPLIEDWARRANTYOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.FLUKESHALLNOTBELIABLEFORANYSPECIAL,INDIRECT,INCIDENTALORCONSEQUENTIALDAMAGESORLOSSES,INCLUDINGLOSSOFDATA,ARISINGFROMANYCAUSEORTHEORY.Sincesomecountriesorstatesdonotallowlimitationofthetermofanimpliedwarranty,orexclusionorlimitationofincidentalorconsequentialdamages,thelimitationsandexclusionsofthiswarrantymaynotapplytoeverybuyer.IfanyprovisionofthisWarrantyisheldinvalidorunenforceablebyacourtorotherdecision-makerofcompetentjurisdiction,suchholdingwillnotaffectthevalidityorenforceabilityofanyotherprovision.FlukeCorporationP.O.Box9090Everett,WA98206-9090U.S.A.FlukeEuropeB.V.P.O.Box11865602BDEindhovenTheNetherlands11/99iTableofContentsTitlePageIntroduction.1ContactingFluke.1ReadFirst-SafetyInformation.2WarningsandCautions.2Symbols.3Specifications.4GeneralSpecifications.7RequiredEquipment.7BasicMaintenance.8CleaningtheProcessMeter.8ReplacingtheBatteries.8BatteryLife.9CheckingandReplacingtheFuses.10CalibrationVerification.11PreparingtoPerformCalibrationVerification.11LoopPower.12CurrentSourcing.13CurrentMeasurement.14CheckingtheDiodeTestFunction.15CheckingtheContinuityTestFunction.17ResistanceMeasurementTest.18DCMillivoltsMeasurementTest.20DCVoltsMeasurementTests.21ACVoltsMeasurementTest.22FrequencyMeasurementTest.23CalibrationAdjustment.24PreparingforCalibrationAdjustment.24ACVoltageAdjustment.25FrequencyAdjustment.26DCVoltageAdjustment.27DCMillivoltsAdjustment.28OhmsAdjustment.28DiodeAdjustment.29MilliampsDCAdjustment.29AmpsDCAdjustment.30AmpsACAdjustment.30MilliampsOutputAdjustment.30ReplacementPartsandAccessories.31789CalibrationManualiiiiiListofTablesTableTitlePage1.Symbols.32.RequiredEquipmentandSoftware.83.TypicalAlkalineBatteryLife.94.CurrentSourcingTest.135.DCmATest.156.DCAmpTest.157.ACAmpTest.158.ResistanceMeasurementTestUsinga5500Aor5520ACalibrator.199.DCmVTest.2010.DCVoltsTest.2211.ACVoltsTest.2212.FrequencyMeasurementTest.23789Ca