ASTM E1350-2007 测试铠装热电偶、热电偶组件及连接线安装或服务前后的标准指南

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【英文标准名称】:StandardGuideforTestingSheathedThermocouples,ThermocouplesAssemblies,andConnectingWiresPriorto,andAfterInstallationorService
【原文标准名称】:测试铠装热电偶、热电偶组件及连接线安装或服务前后的标准指南
【标准号】:ASTME1350-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E20.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验方法;测试;热电偶
【英文主题词】:sheathedthermocouples;thermocoupleinstallation;thermocoupletesting;thermocouples
【摘要】:Thesetestproceduresensureanddocumentthatthethermocoupleassemblywasnotdamagedpriortoorduringtheinstallationprocessandthattheextensionwiresareproperlyconnected.Thetestproceduresshouldbeusedwhenthermocoupleassembliesarefirstinstalledintheirworkingenvironment.Intheeventofsubsequentthermocouplefailure,theseprocedureswillprovidebenchmarkdatatoverifyfailureandtohelpevaluatethecauseoffailure.Theusefulnessandpurposeoftheapplicabletestswillbefoundwithineachcategory.Thesetestsarenotmeanttoensurethatthethermocoupleassemblywillindicatetemperaturesaccurately.Suchassurancederivesfromproperthermocoupleandinstrumentationselectionandproperplacementinthelocationwherethetemperatureistobemeasured.Forfurtherinformation,thereaderisdirectedtoMNL12,ManualontheUseoftheThermocouplesinTemperatureMeasurement2whichisanexcellentreferencedocumentonmetalsheathedthermocouples.1.1Thisguidecoversmethodsforuserstotestmetalsheathedthermocoupleassemblies,includingtheextensionwires,justpriorto,andafterinstallationorsomeperiodofservice.1.2Thetestsareintendedtoensurethatthethermocoupleassemblieshavenotbeendamagedduringstorageorinstallation,toensurethattheextensionwireshavebeenattachedtoconnectorsandterminalswiththecorrectpolarity,andtoprovidebenchmarkdataforlaterreferencewhentestingtoassesspossibledamageofthethermocoupleassemblyafteroperation.Someofthesetestsmaynotbeappropriateforthermocouplesthathavebeenexposedtotemperatureshigherthantherecommendedlimitsfortheparticulartype.1.3Thetestsdescribedhereinincludemethodstomeasurethefollowingvariablesofinstalledsheathedthermocoupleassembliesandtoprovidebenchmarkdatafordeterminingifthethermocoupleassemblyissubsequentlydamagedinoperation:1.3.1LoopResistanceThermoelements,Combinedextensionwiresandthethermoelements,1.3.2InsulationResistanceInsulation,thermocoupleassembly,Insulation,thermocoupleassemblyandextensionwires.1.3.3SeebeckVoltage:1.3.3.1Thermoelements,1.3.3.2Combinedextensionwiresandthermocoupleassembly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N11
【国际标准分类号】:17_200_20
【页数】:6P.;A4
【正文语种】: