美国omegaLVU-303超声波液位变送器美国omega三线超声波液位变送器LVU-301,LVU-303三线超声波液位变送器LVU-301,LVU-303:三线超声波液位变送器LVU-3018°BeamAllowsApplicationinRestrictedEnvironmentsAllPlasticC***tructionLEDDigitalDisplayIndicatesLevelinInchesorCentimetersPushButtonCalibrationForAllUserSetPointsBuilt-in10ARelayMayBeConfiguredForAlarmorAutomaticFill/EmptyOperati***Fail-SafeRelayLogicProvidesEchoandPowerLossSafetyThethree-wireultrasonicleveltran***itteristhecompactsolutionfornon-contactcontinuouslevelmeasurementinprocessvessels,storagetanksandopenchannels.Thetran***itteralsofeaturesabuilt-in10Arelaywhichcanbeconfiguredasanalarmonasinglesetpointorlatchedontwodifferentsetpointsforautomaticfilloremptyoperati***.Industrialandmunicipalliquidexamplesincludesodiumhydroxide,wastewater,resin,wax,liquorandbleach.Anultrasonicsoundw***eispulsedeighttimespersecondfromthebaseofthetransducer.Thesoundw***ereflectsagainsttheprocessmediumbelowandreturnstothetransducer.Themicroprocessorbasedelectronicsmeasurethetimeofflightbetweenthesoundgenerationandreceipt,andtranslatesthisfigureintothedistancebetweenthetran***itterandprocessmediumbelow.Thesurfaceofthelevelbeingmeasuredmustbefreeoffumes,vapors,foamandthesurfacemustbeflat;thesignalmaybelostifanyoftheseconditi***arepresent.SPECIFICATI***Range:0.5to24.5feetAccuracy:&plu***n;0.25%ofspanResolution:0.125”(3mm)Frequency:50kHzPulserate:8pulses/secondBlockingdistance:6"minimumDisplaytype:4segmentLEDDisplayunits:Inch/cmSupplyvoltage:14-36VdcC***umption:200mACurrentflow:Source/sinkSignaloutput:4-20mA,12-36VdcSignal***eraging:Fast/slowCalibration:PushbuttonRelaycurrent:10ampRelayoutput:250VAC,10A,1/2hp,SPDTRelayindication:ON/OFFstatusContactresistance:30milli?Fail-safediagnostic:RelayrevertstosafepositionTemperaturerating:-40to60°C,(-40to140°F)Temp.compensation:AutomaticoverentirerangePressurerating:30psi@25°C.,derated@1.667psiper°C.above25°C.Enclosurerating:NEMA4X/IP65Enclosurematerial:PolypropyleneTransducermaterial:PVDFMountingthreads:2NPT产品型号产品描述Tran***ittersLVU-301UltrasonicThree-WireTran***itter,Sinking(4-20mA)LVU-303UltrasonicThree-WireTran***itter,Sourcing(4-20mA)AccessoriesLVCN-51ContinuousRelayControllerwithLEDDisplayDP24-E1/8DINPanelMeterTX4-100SensorWire100FTSpool注释:Comescompletewithoperator'smanual.TheCEapprovedconfigurationcomplieswithEN50082-2immunity,EN55011emissionandEN61010-1safetystanda***.Thesourcingtran***itterprovidesinternal4-20mAexcitationandshouldbeusedwithasinkingdevice.Thetran***itterwithsinkingoutputrequiresexternalexcitationorshouldbeusedwithasourcingdevice,suchastheLVCN-51continuousrelaycontroller.(OPTI***SHOWNINTHIS"NOTE"ABOVEAREPRICEDINUS$)美国omegaLVU-303超声波液位变送器美国omega相关产品:WTM-1000微型风洞美国omega)