ANSI/ASTM E230-2002 温度规范.标准化热电偶的电动势(EMF)表
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【英文标准名称】:SpecificationforTemperature-ElectromotiveForce(EMF)TablesforStandardizedThermocouples
【原文标准名称】:温度规范.标准化热电偶的电动势(EMF)表
【标准号】:ANSI/ASTME230-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002-12-30
【实施或试行日期】:2002-12-30
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:温度测量;热电偶
【英文主题词】:Tables;Temperature;Temperaturemeasurement;Thermocouples;Thermoelectricdevices
【摘要】:Thisspecificationcontainsreferencetables(Tables8-23)thatgivetemperature-electromotiveforce(emf)relationshipsforTypesB,E,J,K,N,R,S,andTthermocouples.Thesearethethermocoupletypesmostcommonlyusedinindustry.Alsoincludedarelistsofstandardandspecialtolerancesoninitialvaluesofemfversustemperatureforthermocouples(Table1),thermocoupleextensionwires(Table2),andcompensatingextensionwiresforthermocouples(Table3).Tables4-5,includedherein,givedataoninsulationcolorcodingforthermocoupleandthermocoupleextensionwiresascustomarilyusedintheUnitedStates.RecommendationsregardinguppertemperaturelimitsforthethermocoupletypesreferredtoinaregiveninTable6.Tables24-43givetemperature-emfdataforsingle-legthermoelementsreferencedtoplatinum(NISTPt67).ThetablesincludevaluesforTypesBP,BN,JP,JN,KP(sameasEP),KN,NP,NN,TP,andTN(sameasEN).TablesforTypesRP,RN,SP,andSNthermoelementsarenotincludedsince,nominally,Tables18-21representthethermoelectricpropertiesofTypeRPandSPthermoelementsreferencedtopureplatinum.PolynomialcoefficientsthatmaybeusedforcomputationofthermocoupleemfasafunctionoftemperaturearegiveninTable7.Coefficientsfortheemfofeachthermocouplepairaswellasfortheemfofindividualthermoelementsversusplatinumareincluded.CoefficientsforsetsofinversepolynomialsaregiveninTable44.Thesemaybeusedforcomputingacloseapproximationoftemperature(C)asafunctionofthermocoupleemf.Inversefunctionsareprovidedonlyforthermocouplepairsandarevalidonlyovertheemfrangesspecified.Thisspecificationisintendedtodefinethethermoelectricpropertiesofmaterialsthatconformtotherelationshipspresentedinthetablesofthisstandardandbeartheletterdesignationscontainedherein.Topicssuchasorderinginformation,physicalandmechanicalproperties,workmanship,testing,andmarkingarenotaddressedinthisspecification.TheuserisreferredtospecificstandardssuchasSpecificationsE235,E574,E585,E608,E1159,orE1223,asappropriate,forguidanceintheseareas.Thetemperature-emfdatainthisspecificationareintendedforindustrialandlaboratoryuse.
【中国标准分类号】:A42
【国际标准分类号】:17_200_20
【页数】:
【正文语种】:英语
【原文标准名称】:温度规范.标准化热电偶的电动势(EMF)表
【标准号】:ANSI/ASTME230-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002-12-30
【实施或试行日期】:2002-12-30
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:温度测量;热电偶
【英文主题词】:Tables;Temperature;Temperaturemeasurement;Thermocouples;Thermoelectricdevices
【摘要】:Thisspecificationcontainsreferencetables(Tables8-23)thatgivetemperature-electromotiveforce(emf)relationshipsforTypesB,E,J,K,N,R,S,andTthermocouples.Thesearethethermocoupletypesmostcommonlyusedinindustry.Alsoincludedarelistsofstandardandspecialtolerancesoninitialvaluesofemfversustemperatureforthermocouples(Table1),thermocoupleextensionwires(Table2),andcompensatingextensionwiresforthermocouples(Table3).Tables4-5,includedherein,givedataoninsulationcolorcodingforthermocoupleandthermocoupleextensionwiresascustomarilyusedintheUnitedStates.RecommendationsregardinguppertemperaturelimitsforthethermocoupletypesreferredtoinaregiveninTable6.Tables24-43givetemperature-emfdataforsingle-legthermoelementsreferencedtoplatinum(NISTPt67).ThetablesincludevaluesforTypesBP,BN,JP,JN,KP(sameasEP),KN,NP,NN,TP,andTN(sameasEN).TablesforTypesRP,RN,SP,andSNthermoelementsarenotincludedsince,nominally,Tables18-21representthethermoelectricpropertiesofTypeRPandSPthermoelementsreferencedtopureplatinum.PolynomialcoefficientsthatmaybeusedforcomputationofthermocoupleemfasafunctionoftemperaturearegiveninTable7.Coefficientsfortheemfofeachthermocouplepairaswellasfortheemfofindividualthermoelementsversusplatinumareincluded.CoefficientsforsetsofinversepolynomialsaregiveninTable44.Thesemaybeusedforcomputingacloseapproximationoftemperature(C)asafunctionofthermocoupleemf.Inversefunctionsareprovidedonlyforthermocouplepairsandarevalidonlyovertheemfrangesspecified.Thisspecificationisintendedtodefinethethermoelectricpropertiesofmaterialsthatconformtotherelationshipspresentedinthetablesofthisstandardandbeartheletterdesignationscontainedherein.Topicssuchasorderinginformation,physicalandmechanicalproperties,workmanship,testing,andmarkingarenotaddressedinthisspecification.TheuserisreferredtospecificstandardssuchasSpecificationsE235,E574,E585,E608,E1159,orE1223,asappropriate,forguidanceintheseareas.Thetemperature-emfdatainthisspecificationareintendedforindustrialandlaboratoryuse.
【中国标准分类号】:A42
【国际标准分类号】:17_200_20
【页数】:
【正文语种】:英语
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