1.CharacteristicsandRangeofapplication:ModelDTS9666threephaseelectronicmeterisakindofnewstylethreephasewholeelectronictypemeter,andadoptuptodatemicro-electronicstechniqueandimportedspeciallargescaleintegratecircuit,useadvancedtechniqueofdigitalsamplingtechniqueandSMTtechnicsetc.ThemeterarecompletelyconformedtotherelativerequirementsoftheNationalStandardGB/T17215.321-2008andInternational StandardIEC1036onthemeter(Class1orClass2).Themeterisusedformeasuringactiveenergypowerconsumptioninaratedfrequencyof50Hzor60Hzthreephasealternatingcurrentcircuit.Itcanaccuratelyanddirectlymeasureactiveenergyconsumptionfrompositiveandreversedirections.Ithasfollowingfeatures:Goodreliability,smallvolume,lightweight,speciousniceappearance,advancedtechnics.Itcanchoosemanykindsofinstallationwayssuchas35mmDINstandardrail.Themeterisinstalledindoors.Thesiteconditionsshallbeassumedasfollows:Theambienttemperatureis 25~55℃,relativehumidityisnotmorethan95%.Thereisn theavycorrosivegasoranyinfluenceofdust,moldandinsectsetc. 2.Basicspecificationsandmaintechnicalparameters:2.1SpecificationsNameModelClassofprecisionRatedvoltageUbRatedcurrent(A)3phase4WireactiveenergyelectronicmeterDTS96661220/380V57.5/100V5A/CT,3(15),5(30),10(50),15(90),20(100),5(40),5(100)2Remark:InthecolumnofRatedCurrent,thevaluebeforethebracketisdemarcatedcurrentvalueIb,andthevalueinthebracketisthemaximumcurrentImax. 2.2Technicalparameter2.2.1Basicerrors:CurrentvaluePowerfactor(COS )Errorlimitsofpercentage（%）DirectconnectionConnectionthroughCTClass1Class20.05Ib0.02Ib1.0 1.5 2.50.1Ib0.05Ib0.5L 1.5 2.50.8C 1.5 0.1Ib~Imax0.05Ib~Imax1.0 1.0 2.00.2Ib~Imax0.1Ib~Imax0.5L 1.0 2.00.8C 1.0 WithsinglephaseloadCurrentvaluePowerfactor(COS )Errorlimitsofpercentage（%）DirectconnectionConnectionthroughCTClass1Class20.1Ib~Imax0.05Ib~Imax1.0 2.0 3.00.2Ib~Imax0.1Ib~Imax0.5L 2.0 3.0 2.2.2StartingThedialrunsceaselesslywhenthemeterisincircumstanceofthe ratedvoltage,ratedfrequencyandcos =1.0,andwhencurrentloadedisasTablefollowing.ConnectingmodeClass1Class2direct0.004Ib0.005IbWithtransformer0.002Ib0.003Ib 2.2.3CreepingAsnocurrentinthecircuitandthevoltagevalueis115%percentoftheratedvoltage,thetestingoutputnomorethanoneimpulse. 2.2.4InsulationperformanceAllcircuitintervalofthemetercanwithstandimpulsevoltagewithwaveform1.2/50 S,leakvalue6KV,anditcannotoccurelectricarcorroutasitistestedatthesamepole.AllcircuitinsulatingearthingofthemetercanwithstandACvoltage2KVwithactualsinewave50Hzanditcanwithstand1minutes. 2.2.5Workingvoltagelimit：70～130%Ub 2.2.6Powerconsumption： 2Wand10VA/phase 3.Installationandusage:3.1Installationnoticepointsandways3.1.1Themetercanbeinstalledandusedafterbeingtestandsealedwithletterpressprinting.Withoutletterpressprintingorstoragetimeistoolongthemetermustbereset.3.1.2Whentakeoutthemetersfromoriginalpacking,iftheinnerpackingormetercoverisfoundbroken,thendonotinstallthemeter,pleasecontactcompanytechnicalservicedept.3.1.3Onlyexperiencedelectricianorprofessionaltechniciancaninstallthemeter,andconfirmtoreadthroughtheUsualManual.3.1.4 Themetermustbeinstalledventilateandaridplace.Itcanchoosemanykindsofinstallationwayssuchas35mmDINstandardrail,themeterbaseboardmustbeonthewalloffireresistanceanduneasilyshaking.3.1.5Themetermustbeinstalledintheprotectiveboxinthedustyplaceoragainstpossiblemechanicalinjury.3.1.6ConnectingmustaccordwithmetercasebodyconnectingortheconnectingdrawingoftheUsageManual.Commendtousesoftbrasswirestoinputtoavoidthatthemetershallbeburntduetoloosecontact.3.1.7Whenmeterconnecttoelectricitynetrightly,themeterpowerindicationlightshouldbebrightup. 3.2 UsageExplain3.2.1Inthetoomuchthunderstormplacetoadoptmeasurestoavoidlightinginjury.3.2.2Theloadcapacityofthemeterisbetween0.05Ib~Imax（Direct）or0.02Ib~Imax（withtransformer）.Ifthecapacityexceedsabovetheregistershallnotbeaccurateorthecurrentcoilshallbeheatedandburnt.3.2.3WhenthemeterisconnectedwithCT,thetotalenergyconsumptionshallbethatthenumbersreadmultiplythetimesofCT.3.2.4Datadisplay:Adoptsteptypeimpulsecounterdisplay 3.2.5Powersupplylackphaseindication:Therearethreelackvoltageindicatorlights,whensomephasevoltagelackphase,therelevantlackvoltageindicatorlightwillbegoout.3.2.6Impulseindication:Whenconnectingmeterloadusingenergy,theimpulseindicatorlighttwinkledisplay(Lightingabout80ms).3.2.7Reversedirectionindication:Whenconnectingmeterloadisreversedirectionusingenergy,reversedirectionindicatorlightwillbelighten. 4.Testmode:Themeterhasenergyimpulseoutputport,itlocatesinterminal7andterminal8,connecttestdevice+5VDCtoterminal8(Anode),connectsignalwiretoterminal7(Cathode). 5.Transportandstorage:5.1TransportandstorageofthemetermustnotbeshakenandmustaccordwithZBY002-815.2Themetermustbestoredintheoriginalpackingboxandtheenvironmentaltemperatureisin-30℃～＋65℃.Relativehumidityshallnotexceed85%.Andthereisn tanycorrosivegas.Theenvironmentaltemperatureshallnotvaryviolently.5.3Themetersshouldbeintheoriginalpackingboxandtheboxesshouldbepiledupnomorethanfiveontherack.Theseparatemeterisnotsuitableforstorage. 6.eadlineofguarantee:Within18monthsfromthedateofmanufacturetheusercomplieswithallofaboverules.IfthemeterstillbeingsealeddoesnotconformtoanytechnicalrequirementsofIEC521,orofanycertificationofPowerDepartmentorMeasuringDepartment,themanufactureguaranteestorepairfreelyortochange.