液位变送器说明书翻译

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1、InstructionsforLP80411/0640+TKE4202/24liquidleveltransmitterThecorepressuresensitivedeviceinLP80411/0640+TKE4202/24seriespressuretransmitteruseshigh-qualitysiliconpiezoresistivecoresfilledwithoil.Thetransmittercanconvertmillivoltsignalsfromtransducerstostandardd

2、istanttransmissioncurrentsignals,whichcanbeeasilyconnectedtointerfacecardsofPC,controlinstruments,intelligentinstrumentsandPLC.Thisproductcanbewidelyusedinindustrialprocesscontrol,petroleum,chemical,andmetallurgyindustries.ThisproductisaccordwithGB3836.1-2000“El

3、ectricalapparatusforexplosivegasatmospheres—Part1:Generalrequirements”andGB3836.4-2000“Electricalapparatusforexplosivegasatmospheres—Part4:Intrinsicsafety‘i’”.IPratingoftheinstrumentisExiaIICT4.1.Specification(1)Operatingtemperature:0~100℃(2)Standardaccuracy(3)M

4、easurementresolution:Grade0.1,±0.1;Grade0.3,±0.3;Grade0.5,±0.5Standardaccuracyisexpressedinpercentageofmeasurementrange(4)ThermalzeroshiftIfatmospheretemperaturewasshiftfromoperatingtemperature,thermalzeroshiftisnotgreatthan0.03%FS/℃.(5)ThermalsensitivityshiftIf

5、atmospheretemperaturewasshiftfromoperatingtemperature,fullrangeshiftisnotgreatthan0.03%FS/℃.(6)InsulationresistanceUnderstandardoperatingcondition,insulationresistancesbetweenterminalsoftransmitterandgroundcannotbelow20MΩ/250V.(7)ExplosionproofperformanceExiaIIC

6、T4(8)4~20mAhermaphroditicconnector(9)Multi-levelelectricprotection2.ConfigurationFigure1isthetransmitterconfigurationsketch.LP80411/0640+TKE4202/24liquidleveltransmitterisconsistofshell,amplifier,terminalblocksandhollowwire.PointmeterandLCDdisplaycanbeconcludeda

7、ccordingtocustom’srequirement.3.Installation(1)Installthedeviceinaplacewherecaneasilyoperateandmaintenanceit.(2)Donotinstallnearavibrationsource.(3)Donotinstallnearathermalsource.(4)Metaltransducershouldsettledownonthevesselfloor.4.ElectricalconnectionsOpentheba

8、ckcoverofthedevice,thereareconnectionterminals.Thebelowfigureisasketchofthepowerconnection.Connectiondiagramoftheintrinsicallysafesystemshowsinthebelowfigure.Paramete