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1、Thesecuritycriterionandthemattersneedingattention*instrumentbeforetheuse,pleasefirstinmeetontheplumereliabletomeetthegrounding.*Infrontoftheconnectioninstrumentslottedline,shouldinspecteachitemofpressureregulatorknobfirstwhetherenulls.Mustguaranteeeachi
2、temofpressureregulatortoenull,onlythenwiring.*Thewiringcolumnmustcertainlybeextremelyreliable,doesnotbecomelesscrowded.*Ifoutputcurrentgreatlyabove200Atime,theelectriccurrentoutputlinemustcertainlyusethescrewbolttobetight.*Whentheinstrumenteachtimeusest
3、heclose-down,instrumenteachpressureregulatormustenull,thenclosesdownagain.*Workasoutputcurrentwhen400A,inthetestprocessmustobservetheelectriccurrentoutputlinecarefully10whetherhastheunusualsmell,likediscoveryunusualsituationpleasepromptdumpandelectriccu
4、rrentoutputline.When*theinstrumenteachtimeusestheclose-down,instrumenteachpressureregulatormustenull,thenclosesdownagain.*Worksasoutputcurrentwhen400A,inthetestprocessmustobservetheelectriccurrentoutputlinecarefullywhetherhastheunusualsmell,likediscover
5、yunusualsituationpleasepromptdumpandelectriccurrentoutputlineFirst:functionoutlineTheDTRJ-IIseriesthermalrelayverificationmeterhasusedtheadvancedmonolithicintegratedcircuitcontroltechnologyinthedesign,thuscausesthisinstrumentwhentheuseoperatessimplyconv
6、enient.Inentiretestprocessperformancereliablestable,largescreendisplay.Chinesecharactermenupromptoperation,readingdirect-viewingquickly.Buthighaccuracysensorapplication,theneffectiveguaranteetestdataaccuracy.TheDTRJ-IIseriesthermalrelayverifiesmeterthet
7、estunittoinclude:Partsandsoontimer,amperemeter,electriccurrentsensor,pressureregulator,highefficiencyupwash,microcomputercontroller.Afterpracticesmanytimes,thisinstrumenthasthegoodtestperformance,itsoperationsimple,easytooperate.Bywidespreadapplicationi
8、nelectricalpowersystem,enterprise'sand10sooninrailroad,petrification,metallurgyandmineelectricalexperiments.Second：technicalparameter1.Workpowersource:AC220V50HZthree-phasefour-wiresystem2.Ratedpower:3×1KVA3.Fine:0.5level4.Output
