DDS870電子式單相電能表 概述 電子式單相電能表,采用專用大規(guī)模電能計(jì)量集成電路和先進(jìn)的SMT技術(shù),采用工業(yè)級元器件,關(guān)鍵部件選用國際知名牌長壽命元件,停電數(shù)據(jù)不丟失。產(chǎn)品具有可靠性,寬負(fù)荷,低功耗及抗干擾能力強(qiáng)等優(yōu)點(diǎn),產(chǎn)品性能符合標(biāo)準(zhǔn)GB/T17215-2002標(biāo)準(zhǔn)。DDS870singlephaseelectronicwatt-hourmeter1.Introduction Singlephaseelectronicwatt-hourmeteradoptexclusiveuseLSIandadvancedSMTtechnology,thekeycomponentisallwell-knownbrandsabroadandlonglife.Thedatascouldnotlossduringpowerfailure.Themeterhasthefeaturesofgoodreliability,highloading,lowpowerconsumption,andpowerfulanti-disturbingcapability,itsperformancesarecompletelyconformedtoGB/T17215-2002standard.2.規(guī)格型號型號規(guī)格參比電壓(V)額定頻率(HZ)標(biāo)定電流(A)儀表常數(shù)(imp/kw.h)DDS870220501.5(6)~15(60)見銘牌標(biāo)識 2.SpecificationsandtypesSpecificationsandtypesReferencevoltage(V)Ratedfrequency(HZ)Ratedcurrent(A)Meterconstant(imp/kw.h)DDS870220501.5(6)~15(60)Asshowninnameplate 3.技術(shù)參數(shù)3.1電氣要求精確度等級:1.0級,2.0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 1.0VA3.2環(huán)境要求正常工作溫度:-25℃-+60℃極限工作溫度:-40℃ +70℃儲運(yùn)運(yùn)輸溫度:-45℃ +70℃相對濕度:小于95%3.3設(shè)計(jì)壽命 10年3.4符合標(biāo)準(zhǔn) GB/T17215-2002執(zhí)行標(biāo)準(zhǔn):GB/T17215 20023.Technicalparameter3.1ElectricalrequiredAccuracyrating:class1.0,class2.0Normalworkingvoltage:0.9Un~1.1UnLimitingworkingvoltage:0.7n~1.3UNVoltageconsumption:activepower 1.0W,apparentpower 6VACurrentconsumption:activepower 1.0VA3.2EnvironmentalRequirementsNormalworkingtemperature:-25℃-+60℃Limitingworkingvoltage:-40℃ +70℃TransportationandStoragetemperature:-45℃ +70℃Relativehumidity(RH):lessthan95%3.3Designedlife: 10year3.4Criterion: GB/T17215-2002Executivestandard:GB/T17215 20024.主要功能計(jì)量正,反向交流有功電量,反向電量按正向計(jì)量采用光電隔離技術(shù)輸出無源電能脈沖信號,發(fā)光二極管指示用電LCD顯示或計(jì)數(shù)器顯示可選具有反竊電功能(可選)具有RS485通訊接口和紅外通訊口