【英文标准名称】:StandardTestMethodsforWaterVaporContentofElectricalInsulatingGasesbyMeasurementofDewPoint
【原文标准名称】:用露点法测定电绝缘气体中水蒸汽含量的试验方法
【标准号】:ASTMD2029-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D27.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电气工程;气体;露点;测量;含量测定;电绝缘;蒸汽;试验;绝缘
【英文主题词】:adiabaticexpansion;aluminumoxide;chilledmirror;condensation;dewpoint;electricalinsulatinggas;fog;hygrometer;moisturecontent;SF6;siliconoxide;watervaporcontent
【摘要】:1.1Thesetestmethodsdescribethedeterminationofthewatervaporcontentofelectricalinsulatinggasesbydirectorindirectmeasurementofthedewpointandthecalculationofthewatervaporcontent.1.2Thefollowingfourtestmethodsareprovided:1.2.1MethodAdescribestheautomaticchilledmirrormethodformeasurementofdewpointaslowas-73176;C(-99176;F).1.2.2MethodBdescribesthemanualchilledmirrorordewcupmethodformeasurementofdewpointaslowas-73716;C(-99176;F).1.2.3MethodCdescribestheadiabaticexpansionmethodformeasurementofdewpointaslowas-62176;C(-80176;F).1.2.4MethodDdescribesthecapacitancemethodformeasurementofdewpointaslowas-110176;C(-166176;F).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarnings,see8.1.1,9.2,10.1.2and10.2.5.
【中国标准分类号】:K15
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Fibreopticconnectoropticalinterfaces-Part2-2:Opticalinterfacestandardsinglemodeangledphysicallycontactingfibres
【原文标准名称】:纤维光学连接器光学接口.第2-2部分:标准物理角连接单模光纤的光学接口
【标准号】:IEC61755-2-2-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-07
【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/SC86B
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆;组件;连接工艺;触点;尺寸;电插头;电气工程;电子设备及元件;紧固件;纤维光学;光纤;玻璃纤维电缆;接口(数据处理);测量;测量技术;单模纤维;光学接口;光波导;性能;规范(验收);试验
【英文主题词】:Cables;Components;Connectiontechnology;Contact;Dimensions;Electricplugs;Electricalengineering;Electronicequipmentandcomponents;Fasteners;Fibreoptics;Glassfibrecables;Interfaces;Interfaces(dataprocessing);Measurement;Measuringtechniques;Monomodefibres;Opticalinterfaces;Opticalwaveguides;Performance;Specification(approval);Testing
【摘要】:Thedocumentdefinesasetofprescribedconditionsthatmustbemaintainedinordertosatisfytherequirementsofattenuationandreturnlossperformanceinarandomlymatedpairoffibres.Performancegradesareclassifiedintofourcategoriesforattenuationandoneforreturnlossmeasurements.
【中国标准分类号】:L23;M33
【国际标准分类号】:33_180_20
【页数】:13P.;A4
【正文语种】:英语