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【英文标准名称】:EstablishingColorandGlossTolerances
【原文标准名称】:选择材料颜色和光泽度偏差
【标准号】:ASTMD3134-1989
【标准状态】:作废
【国别】:美国
【发布日期】:1989
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:描述;不透明颜料;工艺;涂料;选择;公差;光泽度(表面);覆层;颜色;评定;涂漆
【英文主题词】:selection;painting;colour;paints;opaquecolours;evaluations;processes;coatings;tolerances(measurement);gloss(ofsurface);descriptions
【摘要】:
【中国标准分类号】:G34
【国际标准分类号】:87_040
【页数】:5P;A4
【正文语种】:英语


【英文标准名称】:Electricalaccessories-Residualcurrentmonitorsforhouseholdandsimilaruses(RCMs)
【原文标准名称】:电气附件家用和类似用途剩余电流监测器(RCM)
【标准号】:IEC62020-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC23E
【标准类型】:()
【标准水平】:()
【中文主题词】:断路器;家用残余电流探测器;自动断路器;开关;家用;电力设备;电气工程;残余电流操作防护
【英文主题词】:Acquisition;Circuit-breakers;Classificationsystems;Comparison;Controlinstruments;Currentratings;Definitions;Design;Differentialcurrents;Electricalengineering;Electricalinstallations;Houseinstallations;Householduse;Inscription;Measuringinstruments;Operation;Properties;Ratedvoltages;RCD;Residualcurrent-operatedprotectivesystem;Self-actingcircuit-breakers;Specification(approval);Switches;Testing;Testingconditions;Types
【摘要】:ThisInternationalStandardappliestoresidualcurrentmonitorshavingratedvoltagesnotexceeding440Va.c.andratedcurrentsnotexceeding125Aforhouseholdandsimilarpurposes.Thesedevicesareintendedtomonitortheresidualcurrentoftheinstallationandtogiveawarningiftheresidualcurrentbetweenalivepartandanexposedconductivepartorearthexceedsapredeterminedlevel.RCMscoveredbythisstandardarenotintendedtobeusedasprotectivedevices.RCMsdetectresidualalternatingcurrentsandresidualpulsatingdirectcurrentswhethersuddenlyappliedorslowlyrising(see8.16).Thisstandardappliestomonitorsperforming.simultaneouslythefunctionsofdetectionoftheresidualcurrent,ofcomparisonofthevalueofthiscurrentwiththeresidualoperatingcurrentofthedeviceandofprovidingtheprescribedwarningsignal(s)whentheresidualcurrentexceedsthisvalue.RCMshavinginternalbatteriesarenotcoveredbythisstandard.Therequirementsofthisstandardapplyfornormalenvironmentalconditions(see7.1).AdditionalrequirementsmaybenecessaryforRCMsusedinlocationshavingsevereenvironmentalconditions.ThisstandarddoesnotcoverInsulationMonitoringDevices(IMDs)whicharecoveredbythescopeofIEC61557-8.NOTEAnRCMisdistinguishedfromanIMDinthatitispassiveinitsmonitoringfunctionandonlyrespondstoanunbalancedfaultcurrentintheinstallationbeingmonitored.AnIMDisactiveinitsmonitoringandmeasuringfunctionsinthatitcanmeasurethebalancedandunbalancedinsulationresistanceorimpedanceintheinstallation(seeIEC61557-8).
【中国标准分类号】:Y60
【国际标准分类号】:29_120_50
【页数】:173P.;A4
【正文语种】:英语