AMS2750

AEROSPACEMATERIALSPECIFICATIONPYROMETRYSAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.TheuseofthisReportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.Copyright2005SAEInternationalAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutthepriorwrittenpermissionofSAE.TOPLACEADOCUMENTORDER:Tel:[phone](insideUSAandCanada)Tel:[phone](outsideUSA)Fax:[phone]Email:[e-mail]:®IssuedAPR1980RevisedSEP2005SupersedingAMS2750C(R)1.SCOPE:1.1Thisspecificationcoverspyrometricrequirementsforthermalprocessingequipmentusedforheattreatment.Itcoverstemperaturesensors,instrumentation,thermalprocessingequipment,systemaccuracytests,andtemperatureuniformitysurveys.Thesearenecessarytoensurethatpartsorrawmaterialsareheattreatedinaccordancewiththeapplicablespecification(s).1.2Thisspecificationisnotapplicabletoheating,ortointermediatethermalprocessingunlessspecificallyreferencedbyamaterialorprocessspecification.1.3Thisspecificationappliestolaboratoryfurnacestotheextentspecifiedin3.6.2.APPLICABLEDOCUMENTS:Theissueofthefollowingdocumentsineffectonthedateofthepurchaseorderformsapartofthisspecificationtotheextentspecifiedherein.Thesuppliermayworktoasubsequentrevisionofadocumentunlessaspecificdocumentissueisspecified.Whenthereferenceddocumenthasbeencanceledandnosupersedingdocumenthasbeenspecified,thelastpublishedissueofthatdocumentshallapply.2.1ASTMPublications:AvailablefromASTM,100BarrHarborDrive,P.O.BoxC700,WestConshohocken,PA19428-2959or(EF)TablesforStandardizedThermocouplesASTME608Mineral-Insulated,Metal-SheathedBaseMetalThermocouplesASTME1129StandardSpecificationforThermocoupleConnectorsASTMMNL7PresentationofDataandControlChartAnalysisASTMMNL12UseofThermocouplesinTemperatureMeasurementCopyrightSAEInternationalProvidedbyIHSunderlicensewithSAELicensee=MessierDowty/5905381001,User=liu,leonNotforResale,06/16/200819:59:30MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS--`,,`````,`,,`,,,`,`,,`,``,`,,`-`-`,,`,,`,`,,`---AMS2750DSAEAMS2750D-2-3.TECHNICALREQUIREMENTSCONTENTSSectionTopicPage3.1TemperatureSensors………………………………………………………….43.1.1GeneralSensorInformation…………………………………………………..43.1.1.1SensorCertificateofComplianceRequirements……………………………43.1.1.2DegreestoMillivoltConversion……………………………………………….43.1.1.3ThermocoupleCalibrationRequirements……………………………………43.1.1.4ThermocoupleUsage….……………………………………………………….53.1.1.5ExtensionWire………………………………………………………………….53.1.1.6WireRolls-CalibrationRequirements……………………………………..…53.1.1.7WireRolls–MaximumAllowableLength………..…………………………..63.1.1.8ReuseofTypeKandEthermocouplesasSecondaryStandardsorSATSensors……………………………………………………..……………..63.1.1.10ExpendableBase-MetalTestThermocouple“U”Formula………………….63.1.2ReferenceStandardSensors…………………………………………………63.1.3PrimaryStandardSensors…………………………………………………….63.1.4SecondaryStandardSensors…………………………………………………63.1.5TemperatureUniformitySurveySensors…………………………………….63.1.6SystemAccuracyTestSensors………………………………………………73.1.7Control,Monitoring,andRecordingSensors..………………………….…..73.1.8LoadSensors………………………………………………………………...…73.2Instrumentation…………………………………………………………………83.2.4Controlling,MonitoringorRecordingInstruments…………………………..93.2.5InstrumentCalibration(alsoseeTable3)……………………………………93.2.6InstrumentationRecords……………………………………………………….103.2.7ElectronicRecords–Instrumentation………………………………………..113.3ThermalProcessingEquipment………………………………………………113.3.1FurnaceClasses(alsoseeTables6and7)……….………..………………113.3.1.1InstrumentationTypeA………………………………………………………..123.3.1.2InstrumentationTypeB………………………………………………………..123.3.1.3InstrumentationTypeC………………………………………………………..123.3.1.4InstrumentationTypeD………………………………………………………..133.3.1.5InstrumentationTypeE………………………………………………………..133.3.1.6.1Instrumentation-RefrigerationEquipment………………………………….133.3.1.6.2Instrumentation-QuenchSystems…………………………………………..133.4SystemAccuracyTests(SAT’s)………………………………………………133.4.2SystemAccuracyTestFrequency(alsoseeTables6and7)……………..143.4.3SystemAccuracyTestWaiver………………………………………………..143.4.4SystemAccuracyTestProcedure…………………………………………….153.4.4.2.1ResidentTestSensors…………………………………………………………153.4.4.8AlternativeSystemAccuracyTestProcedure………………………………18CopyrightSAEInternationalProvidedbyIHSunderlicensewithSAELicensee=MessierDowty/5905381001,User=liu,leonNotforResale,06/16/200819:59:30MDTNoreproductionornetworkin