【英文标准名称】:StandardPracticeforSimulatedAgingofCellulosicLoose-FillInsulation
【原文标准名称】:纤维素疏松填充绝缘材料模拟老化的标准实施规程
【标准号】:ASTMC1488-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C16.31
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:温度性能;装填料;老化;绝缘;老化试验
【英文主题词】:aging;cellulosicfiberloose-fill;conditioning;humidity/temperaturecycling;thermalinsulation
【摘要】:Thepurposeofthispracticeistosimulatetheagingprocessofcellulosicloose-fillinsulation.Byidentifyinganychangesinflameretardantpermanencyduetotheagingprocess,producerscandesignloose-fillinsulationtomeetorexceedmaterialspecificationsthroughouttheproductlifecycle.1.1Thispracticecoversaproceduretosimulatetheagingprocessofcellulosicloose-fillinsulationbysubjectingittocontrolledlaboratoryconditionsoftemperatureandhumiditysothattheinsulationwillbefurtherevaluated,particularlyforcriticalradiantfluxcharacteristics.1.2Itisnottheintentofthispracticetoestablishagingconditionsthatrepresentallpossibleexposures.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareprovidedforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:2P.;A4
【正文语种】:


【英文标准名称】:Direct-currentresistivevoltratioboxes
【原文标准名称】:直流电阻电压比率计箱
【标准号】:IEC60524-1975
【标准状态】:现行
【国别】:国际
【发布日期】:1975
【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/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:泄漏电流;分压箱;极限(数学);测量;温度;安全要求;直流电流;防护屏蔽;电气工程;公差(测量);分压器;额定电压;规范(验收);定义;电阻器;线性电阻;精密度;缺陷与故障;温升极限;作标记;基准面;直流电压
【英文主题词】:Circuits;Datum;Defects;Definitions;Directcurrent;Directvoltage;Electricalengineering;Electricalmeasuringinstruments;Leakagecurrents;Limits(mathematics);Linearelectricalresistance;Marking;Measurement;Measuringinstruments;Precision;Ratedvoltage;Resistors;Safetyrequirements;Shields;Specification(approval);Temperature;Temperature-riselimit;Tolerances(measurement);Voltratioboxes;Voltagedividers
【摘要】:Specifiesaclassificationsystem;givespermissibleerrorsforeachaccuracyclass;includesconditionstodeterminateerrors.Appliestovoltratioboxeswithfixedratioshavingainputvoltageupto1,5kVandaclassindexof0,1orbetter.
【中国标准分类号】:N21
【国际标准分类号】:17_220_20
【页数】:30P.;A4
【正文语种】:英语