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DTS870、DSS870型 电子式三相有功电能表 概述DTS870/DSS870型电子式三相有功电能表主要用于精确计量额定频率为50Hz的三相电网的正（反）向有功电能。产品具有可扩展485通讯和红外通讯功能，可实现远距离抄表，为用电自动化管理提供了必备的条件，各项技术指标符合GB/T17215 2002的要求。TypeDTS870、DSS870Threephaseelectronicactivekilowatt-hourmeter1.IntroductionThreephaseelectronicactivekilowatt-hourmeterisusedformeasuringratefrequency50Hzthreephasepowergridpositiveandreverseddirectionactiveenergy.Thismeteralsocanrealizereadmeteroverlongdistance,andalsoproviderequirementsforelectricautomationmanagement.ItstechnicalperformancearecompletelyconformtothestipulatedrequirementsofGB/T17215 2002.规格型号型号规格参比电压（V）额定频率（HZ）标定电流（A）仪表常数（imp/kw.h）三相四线DTS8703 220/380501.5(6)~30(100)见铭牌标识3 57.7/10050三相三线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 技术参数准确等级 1.0级正常工作电压：0.9Un~1.1Un极限工作电压：0.7n~1.3UN电压线路功耗：有功功率 1.0W，视在功率 6VA电流线路功耗：有功功率 1.0VA正常工作温度：－25℃-+60℃极限工作温度：－40℃ +70℃储运运输温度：－45℃ +70℃相对湿度：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.主要功能计量正，反向交流有功电量，反向电量按正向计量缺相指示功能：某相缺相时相应指示灯亮反相指示功能：合相有功功率为负数时相应指示灯亮采用光电隔离技术输出无源电能脉冲信号，发光二极管指示用电具有RS485通讯接口和红外通讯口（可选）4.MajorfunctionMeasuretheACactiveenergyofpositivedirectionandreverseddirection,theenergyofreverseddirectionwillbemeasuredaccordingtopositivedirection.Phaseoffindicationfounction:whenphaseoff,theindicatorislitOppositephaseindicationfounction:whenactivepowershowanegativebalance,theindicatorislitAdoptphotoelectricisolatedtechnology,whichoutputpulsesignal,powersupplywillbecaninstructedbylightemittingdiode.HaveRS485CommunicationinterfaceandInfraredDataAssociation(optional).