BK测量放大器269X说明书

TechnicalDocumentationTheNEXUS™RangeofConditioningAmplifiersTypes2690,2691,2692and2693UserManual:OperationandInterfaceHEADQUARTERS:DK-2850Nærum·Denmark·Telephone:[phone]·Fax:[phone]··[e-mail]([phone]·Austria([phone]·Brazil([phone]·Canada([phone]China([phone]·CzechRepublic([phone]·Finland([phone]·France([phone]Germany([phone]·HongKong([phone]·Hungary([phone]·Ireland([phone]Italy([phone]·Japan([phone]·RepublicofKorea([phone]·Netherlands([phone]Norway([phone]·Poland([phone]·Portugal([phone]·Singapore([phone]SlovakRepublic([phone]·Spain([phone]·Sweden([phone]·Switzerland([phone]Taiwan([phone]·UnitedKingdom([phone]·USA([phone]LocalrepresentativesandserviceorganisationsworldwideËBE-1522---qÎEnglishBE1522–13BE1522–13May2007TheNEXUS™RangeofConditioningAmplifiersTypes2690,2691,2692and2693UserManual:OperationandInterfaceTrademarksDuracellisaregisteredtrademarkofProcter&Gamble.ICPisaregisteredtrademarkofPCBGroup.IsotronisaregisteredtrademarkofEndevco.Copyright©1997–2007,Brüel&KjærSound&VibrationMeasurementA/SAllrightsreserved.Nopartofthispublicationmaybereproducedordistributedinanyform,orbyanymeans,withoutpriorwrittenconsentfromBrüel&KjærSound&VibrationMeasurementA/S,Nærum,DenmarkSafetyConsiderationsThisapparatushasbeendesignedandtestedinaccordancewithIEC61010–1andEN61010–1SafetyRequire-mentsforElectricalEquipmentforMeasurement,ControlandLaboratoryUse.Thismanualcontainsinfor-mationandwarningswhichmustbefollowedtoensuresafeoperationandtoretaintheapparatusinsafecondition.Specialnoteshouldbemadeofthefollowing:SafetySymbolsTheapparatuswillbemarkedwiththissymbolwhenitisimportantthatyourefertotheassociatedwarningstatementsgiveninthemanual.ProtectiveEarthTerminalHazardousVoltageExplosionHazardTheequipmentisnotdesignedtobeusedinpotentiallyexplosiveenvironments.Itshouldnotbeoperatedinthepresenceofflammableliquidsorgases.Warnings•Switchoffallpowertoequipmentbeforeconnectingordisconnectingtheirdigitalinterface.Failuretodosocoulddamagetheequipment.•Wheneveritislikelythatthecorrectfunctionoroperatingsafetyoftheapparatushasbeenimpaired,itmustbemadeinoperativeandbesecuredagainstunintendedoperation.•Anyadjustment,maintenanceandrepairoftheopenapparatusundervoltagemustbeavoidedasfaraspossibleand,ifunavoidable,mustbecarriedoutonlybytrainedservicepersonnel.•Donotdisposeofelectronicequipmentasunsortedmunicipalwaste•Itisyourresponsibilitytocontributetoacleanandhealthyenvironmentbyusingtheappropriatelocalreturnandcollectionsystems•Hazardoussubstancesinelectronicequipmentmayhavedetrimentaleffectsontheenvironmentandhumanhealth•Thesymbolshowntotheleftindicatesthatseparatecollectionsystemsmustbeusedforanydiscardedequipmentmarkedwiththatsymbol•WasteelectricalandelectronicequipmentmaybereturnedtoyourlocalBrüel&KjærrepresentativeortoBrüel&KjærHeadquartersfordisposalContentsCHAPTER1Introduction..........................................................................................................................................11.1Introduction................................................................................................................................................1Set-upMenus............................................................................................................................................4SerialInterface..........................................................................................................................................41.2HowtoUsethisManual.............................................................................................................................4PART1Operation.................................................................................................................................7CHAPTER2ControlsandConnections..................................................................................................................92.1FrontPanel................................................................................................................................................92.2BackPanel..............................................................................................................................................102.3EMCImmunity.........................................................................................................................................11CHAPTER3OperationOverview...........................................................................................................................133.1Preliminary...............................................................................................................................................13Environmental..........................................................................................................................................13PowerSupply.................