LVD-800-FCE液位开关美国omega不安全的干材料旋桨式液位开关LVD-803andLVD-804Series不安全的干材料旋桨式液位开关可靠的磁技术（专利）开/关盖-没有更多的螺栓拧！布线access-2管道入口发动***闭时，桨是阻碍显著延长电机寿命和降低维护成本本地状态指示的大部分型号的光StandardUnitsRatedto121°C(250°F)Hi-TempModelsRatedto399°C(750°F)TheLVD-800Seriesfail-safebinmonitoristhestate-of-the-artinrotarypaddletechnology.Utilizingmagneticsensingtechnologyandauniquehousingdesign,theLVD-800Seriesfail-safebinmonitoristhemostreliable,technician-friendly,ruggedandeconomicaltrulyfail-saferotarypaddlepointlevelcontrolsensorofitskind.TheLVD-800Seriesfail-safebinmonitorprovidestheultimateinperformancewherevercriticalcontinuousoperationmustbeensured.Detectionofbothmaterialpresenceanditsownoperationalstatusisperformedonacontinuousbasis.TheLVD-800Seriesfail-safelevelsensormonitorsitselectricalandmechanicaloperatingcondition.This,inconjunctionwithseparateoutputsprovidedformaterialsenseandunitstatus(faultconditi***)makesthisunita"truly"fail-safedevice.WhiletheLVD-800Seriesfail-safebinmonitorisanevolutioninrotarypaddletechnology,itcontinuestousetried-and-trueoperatingtechniques.Unlikemanyother***ailableunits,theLVD-800Seriesincorporatesafeaturethatautomaticallyshutsoffitsmotorwhenthepaddleisinastalledcondition.Thisextendsthelifeoftheunitandminimizesmaintenance.PrincipleofOperationTheoperationoftheLVD-800Seriesrotarypaddlefail-safebinmonitorusesmagneticsensingtechnologytodetectbothmaterialpresenceandoperationalstatusoftheunit.Thismethodissimpleandmorereliablethanthatusedbyothermanufacturers.Theunitisinstalledthroughthewallofthevesselsothatthepaddleprotrudesinsidethevessel.A***allelectricmotordrivesthepaddle,whichrotatesfreelyintheabsenceofmaterial.Therotationoftheunit’sshaftiscontinuouslymonitoredbydetectionofamagnetizedrotatingdisk(patented).Whenthepaddleisimpededbymaterial,theshaftrotationstops.Themotorrotateswithinthehousingandmagnetizedsecti***ofthemotormountingplatearedetected(patented).Useofthesemagneticsensingtechniqueseliminatesproblemsthatmayoccurwithfoulingoftheopticalsystemsusedbyotherbrands.Thebuilt-inmicrocontrollerperformsself-diagnosticsandmonitorsbothshaftandmotormountingplaterotation.Thisallowstheunittoeasilydistinguishbetweenmaterialpresenceandanyelectricalandmechanicalfailureoftheunit.Whenmaterialpresenceisdetected,theSENSErelaychangesstateandthedrivemotorisdeenergizedtoextendmotorlife.Thisoutputis***ailabletocontrolaprocessfunctionoralarmcircuit.Whenthematerialleveldrops,atensionspringreturnsthedrivemotortoitsoriginalrunningconditionandisreactivated.Aunitfailureisdetectedbysensingalackofshaftrotationwhilematerialpresencehasnotbeendetectedbyrotationofthemotormountingplate.InafailureconditiontheindependentFAULTrelaywillchangestateindicatingthatanerrorconditionexists.MonitoringthestateofboththeSENSEandFAULTrelaysprovidesthemostflexibilityforcontrolandfail-safemonitoring.TheruggedandreliabledesignoftheLVD-800Seriesfail-safebinmonitormakesitthebestchoiceforcriticallevelcontrolapplicati***.Theunitiscompatiblewithmanygranular,pelletizedandpowderbulkapplicati***.Itcanbeutilizedforhighlevelindicationofmaterialsover160kg/m3(10lb/ft3)andforlowandintermediatelevelindicationformaterialsover80kg/m3(5lb/ft3).TheLVD-800Seriesbinlevelmonitorcanbeinstalledalmostanywheredrybulkmaterialsarestoredincludingbins,hoppers,silosandtanks.PleaseseetheMaterialCharacteristicsGuideforassistanceindeterminingthecompatibilitywiththeLVD-800series.SPECIFICATI***PowerRequirements:115Vac(&plu***n;15%);9VA;50/60Hz;230Vac(&plu***n;15%);9VA;50/60HzAmbientOperatingTemp:-40to65°C(-40to150°F)InternalBinTemp*:StandardUnit:to121°C(250°F)Hi-TempUnit:to399°C(750°F)ConduitConnection:Two(2)?NPTOUTPUTSMaterialSense:OneSPDT;5A@250Vac,30VdcmaxUnitStatus(Fault):OneSPDT;5A@250Vac,30VdcmaxMaximumPressure:30psi(2bar)Sensitivity:80kg/m3(5lb/ft3)minimummaterialdensity(whenusinglarge3-vanepaddle)Indicators:RedandgreenhighintensityLEDsindicatematerialsenseandunitstatusconditi***(OrdinaryLocationunitonly)Housing:Diecastaluminum,NEMA-4,IP66HousingFinish:PowdercoatingMountingConnection:1?NPTWeight:Approx.3.9kg(8.5lb)MATERIALSOFC***TRUCTION/ACCESSORIESFlexibleCouplings:304stainlesssteelMountingPlates:Carbonsteelor304stainlesssteelAllPaddlesExceptEx-Flex:304SSEx-FlexBelt:304SScoupling,rubber/fabricblendbeltFlexibleCableExtension:304SS?"diameterLISTINGS/APPROVALSHazardousLocati***:ClassI,Div.GroupsC,D;ClassII,Div.1&2,GroupsE,F,G,CEMark产品型号/产品描述LVD-803Drylevelswitch,115Vac,11/4NPTLVD-803-24VDrylevelswitch,115Vac,11/4NPT,24VdcPowerLVD-803-EXPDrylevelswitch,Class1,Div.1&2,GroupsC,D;ClassII,Div.1&2,GroupsE,F,GLVD-803-EXP-HTHighTemperatureDrylevelswitch,Class1,Div.1&2,GroupsC,D;ClassII,Div.1&2,GroupsE,F,GLVD-803-HTHighTemperature,Drylevelswitch,115Vac,11/4NPTLVD-804Drylevelswitch,230Vac,11/4NPTLVD-804-HTHighTemperature,Drylevelswitch,230Vac,11/4NPTPaddles(Required)LVD-800-1V1Vaneinsertable*forlowlevelcontrolof***g.weight[>320kg/m3(>20lb/ft3)]materialorlowtohighlevelcontrolofhe***ymaterials38mm(11/2")diameterLVD-800-3V3Vanestandardfor***erageweight[>320kg/m3(>20lb/ft3)]materialsLVD-800-3VL3Vanelargeforlightweightmaterial[>480kg/m3(<30lb/ft3)]LVD-800-1VS1Vaneinsertable*scimitarforlightto***erageweight[>320kg/m3(>20lb/ft3)]materialLVD-800-2V2Vaneforhe***ymaterials[>1200kg/m3(>75lb/ft3)]under11/2"indiameterLVD-800-4V4Vaneforusewith***eragetohe***yweightmaterials[>1200kg/m3(>75lb/ft3)]LVD-800-1VT1Vanetriangularforlightto***erageweight[>480kg/m3(<30lb/ft3)]materialLVD-800-EFCEx-flexthree-ply508mm(20")beltvaneforhe***ymaterialsover51mm(2")indiameter(topmountonly)AccessoriesLVD-800-FCFlexiblecouplingspringflexforabsorbinghe***yloads,sideloadsandprotectinternalworkingswhichextendsthelifeofthepaddleLVD-800-SGGI-66"Shaftguard*11/4"pipe,SCH40,galvanizediron($1.00peradditionalinch)LVD-800-SGSS-66"Shaftguard*11/4"pipe,SCH40,stainlesssteel($2.20peradditionalinch)LVD-800-FCEFlexiblecableextension,304SS,1.98m(78")(canbecutinfield)eliminatestheneedforamountingplate,extensionguardandflexiblecoupling($1.90peradditionalinch)LVD-800-SEGI-66"Solidshaftextension**:1/4"pipe,SCH40,galvanized($0.60peradditionalinch)LVD-800-SESS-66"Solidshaftextension**:1/4"pipe,SCH40,stainlesssteel($0.90peradditionalinch)LVD-800-MPFCSMountingplatewith11/4NPTfullcoupling,carbonsteel,fortopmountinstallati***whereashaftextensionandshaftgua***arerequiredLVD-800-MPHCSMountingplatewith11/4NPThalfcoupling,carbonsteel,forsidemountinstallati***LVD-800-MPFSSMountingplatewith11/4NPTfullcoupling,stainlesssteel,fortopmountinstallati***whereashaftextensionandshaftgua***arerequiredLVD-800-MPHSSMountingplatewith11/4NPThalfcoupling,stainlesssteel,forsidemountinstallati***LVD-800-MPAMountingplatewith11/4NPThe***ydutyaluminumforflatsurfacesorthinwalledvesselswhereextrastrengthisrequiredReplacementPartsLVD-800-SRSpiralrollpin,3.18x4.76mm(1/8x3/16")SS(connectspaddletosolidshaftcoupling)LVD-800-GDPGrooveddowelpin,3.18x15.88mm(1/8x5/8")SS(connectssolidshaftcouplingtoshaft)LVD-800-DM115DriveMotorAssemblyforLVD803(115Vac,50/60Hz)LVD-800-DM230DriveMotorAssemblyforLVD803(230Vac,50/60Hz)LVD-800-DM24DriveMotorAssemblyforLVD803(24Vac/dc,50/60Hz)LVD-800-MSMicrosealLVD-800-MMPMotormountingplateassemblyLVD-800-BBearings(2requiredperunit)LVD-800-DSStainlesssteeldriveshaftwithslipclutchandgearassemblyLVD-800-RRRetainingring(forretainingthemotormountingplatetodriveshaft)LVD-800-RSReturnspringassembly注释:Comescompletewithoperator’smanual.LVD-800-FCE液位开关美国omega相关产品:LVCN-20双传感器控制器美国omega)