DTS870、DSS870型 電子式三相有功電能表 概述DTS870/DSS870型電子式三相有功電能表主要用于精確計量額定頻率為50Hz的三相電網的正（反）向有功電能。產品具有可擴展485通訊和紅外通訊功能，可實現遠距離抄表，為用電自動化管理提供了必備的條件，各項技術指標符合GB/T17215 2002的要求。TypeDTS870、DSS870Threephaseelectronicactivekilowatt-hourmeter1.IntroductionThreephaseelectronicactivekilowatt-hourmeterisusedformeasuringratefrequency50Hzthreephasepowergridpositiveandreverseddirectionactiveenergy.Thismeteralsocanrealizereadmeteroverlongdistance,andalsoproviderequirementsforelectricautomationmanagement.ItstechnicalperformancearecompletelyconformtothestipulatedrequirementsofGB/T17215 2002.規格型號型號規格參比電壓（V）額定頻率（HZ）標定電流（A）儀表常數（imp/kw.h）三相四線DTS8703 220/380501.5(6)~30(100)見銘牌標識3 57.7/10050三相三線DSS8703 100503 38050 2.SpecificationsandtypesSpecificationsandtypesReferencevoltage（V）Ratedfrequency（HZ）Ratedcurrent（A）Meterconstant（imp/kw.h）ThreephasefourwireDTS8703 220/380501.5(6)~30(100)Asshowninnameplate3 57.7/10050ThreephasethreewireDSS8703 100503 38050 技術參數準確等級 1.0級正常工作電壓：0.9Un~1.1Un極限工作電壓：0.7n~1.3UN電壓線路功耗：有功功率 1.0W，視在功率 6VA電流線路功耗：有功功率 1.0VA正常工作溫度：－25℃-+60℃極限工作溫度：－40℃ +70℃儲運運輸溫度：－45℃ +70℃相對濕度：小于95%3.TechnicalparameterAccuracyrating：class1.0Normalworkingvoltage：0.9Un~1.1UnLimitingworkingvoltage：0.7Un~1.3UNVoltageconsumption：activepower 1.0W，apparentpower 6VACurrentconsumption：activepower 1.0VA3.2EnvironmentalRequirementsNormalworkingtemperature：－25℃-+60℃Limitingworkingvoltage：－40℃ +70℃Transportationandstoragetemperature：－45℃ +70℃Relativehumidity(RH)：lessthan95% 4.主要功能計量正，反向交流有功電量，反向電量按正向計量缺相指示功能：某相缺相時相應指示燈亮反相指示功能：合相有功功率為負數時相應指示燈亮采用光電隔離技術輸出無源電能脈沖信號，發光二極管指示用電具有RS485通訊接口和紅外通訊口（可選）4.MajorfunctionMeasuretheACactiveenergyofpositivedirectionandreverseddirection,theenergyofreverseddirectionwillbemeasuredaccordingtopositivedirection.Phaseoffindicationfounction:whenphaseoff,theindicatorislitOppositephaseindicationfounction:whenactivepowershowanegativebalance,theindicatorislitAdoptphotoelectricisolatedtechnology,whichoutputpulsesignal,powersupplywillbecaninstructedbylightemittingdiode.HaveRS485CommunicationinterfaceandInfraredDataAssociation(optional).