Radiance Temperature Calibrations

1 Page 1 NATLINST.OFSTAND&TECH I RJ.fi A11105 isurementServices: MIST PUBLICATIONS RadianceTemperatureCalibrations U.S.DepartmentofCommerce QC TechnologyAdministration 100 NationalInstituteofStandardsandTechnology U57 !0250-43 I9... Open at page → 2 Page 2 rhe NationalInstituteofStandardsandTechnologywasestablishedin1988byCongressto"assistindustryin thedevelopmentoftechnology ...neededtoimproveproductquality,tomodernizemanufacturingprocesses, toensureproductreliability . .... Open at page → 3 Page 3 NISTSpecialPublication250-43 NISTMEASUREMENTSERVICES: RadianceTemperatureCalibrations CharlesE.Gibson,BenjaminK.Tsai,andAlbertC.Parr OpticalTechnologyDivision PhysicsLaboratory NationalInstituteofStandardsandTechnology G... Open at page → 4 Page 4 NationalInstituteofStandardsandTechnologySpecialPublication250-43 Natl.Inst.Stand.Technol.Spec.Publ.250-43,123pages(Jan.1998) CODEN:NSPUE2 U.S.GOVERNMENTPRINTINGOFFICE WASHINGTON: 1998 ForsalebytheSuperintendent ofDocume... Open at page → 5 Page 5 PREFACE Thecalibrationandrelatedmeasurement servicesoftheNationalInstituteofStandardsand Technologyareintendedtoassistthemakersandusersofprecisionmeasuringinstruments in achievingthehighestpossiblelevelsofaccuracy,qualit... Open at page → 6 Page 6 ABSTRACT ThisdocumentdescribestherealizationanddisseminationoftheInternationalTemperatureScale of1990(ITS-90)above700°CattheNationalInstituteofStandardsandTechnology(NIST).By usingfundamentalprinciplesofblackbodyphysics,... Open at page → 7 Page 7 TABLEOFCONTENTS Abstract iv 1.Introduction 1 2.Measurementtheory 4 3.RealizationoftheU.S.nationalscaleofradiancetemperature 9 3.11990NISTscaleofradiancetemperature 9 3.2Temperaturestandards 9 3.2.1Gold-pointblackbody 9 3... Open at page → 8 Page 8 TABLEOFCONTENTS(continued) 6.Radiationthermometercalibrations 49 6.1Radiationthermometerpreparation 49 6.2Radiationthermometercalibration 49 6.3Radiationthermometerdataanalysis 49 6.4Radiationthermometercalibrationuncert... Open at page → 9 Page 9 LISTOFFIGURES Figure 1SchematicofopticsfortheNISTphotoelectricpyrometer 4 Figure2Blackbodyspectraldistribution.Asthetemperatureincreases,thepeakmoves towardshorterwavelengths,andtheslopeincreasesateachwavelength 5 Figure... Open at page → 10 Page 10 LISTOFTABLES Table 1 Radiancetemperaturecalibrationservices 2 Table2 Calibrationuncertainties 3 Table3 Currentamplifiernormalizationfactors 24 Table4 Detectorsystemcorrectionfactorsandlinearitycoefficients 25 Table5 Defa... Open at page → 11 Page 11 1.Introduction TheNational InstituteofStandardsandTechnology(NIST) isresponsible forthe establishment, maintenance, anddissemination oftheU.S.NationalScaleofRadiance TemperaturethroughitsRadianceTemperatureCalibrationLab... Open at page → 12 Page 12 Table1.Radiancetemperaturecalibrationservices ServiceIDNo. MeasurementDescription Calibrationreportsareissuedgivingtheradiancetemperatureoftheblackbodyat655.3nm versusthescalereading,outputcurrent,oroutputvoltage. 350IOC... Open at page → 13 Page 13 Table2.Calibrationuncertainties Standard TemperatureRange JJ/AUcUlllCU- 1Jncprtaintv Ribbonfilamentlamp 800°Cto1600°C 0.7°C 1600°Cto1900°C 1.0°C 1900°Cto2300°C 1.5°C Leeds&Northrup 800°Cto1600°C 4°C Model8000series 1600°... Open at page → 14 Page 14 2.Measurementtheory Temperaturesabovethefreezingpointofsilver(1234.93Kor961.78°C)aredefinedon theInternationalTemperature Scaleof1990(ITS-90) [2]intermsoftheratioofspectral radiancesoftwoblackbodysources,oneofwhichismain... Open at page → 15 Page 15 whereLx[Wm^sr 1 ]isthespectralradiance,dA[m]isthewavelengthband,9[rad]istheangle betweentheaperturenormalandthelineconnecting theaperturecenters,do[sr]isthe differentialsolidangleoriginatingatthesourceapertureasdefinedby... Open at page → 16 Page 16 SpectralradianceLaistheradiantpowercontained inadefinedarea,solidangle, direction,andwavelengthinterval, L A =d 3 0/dAcosadpdX , (3) where <Z>istheradiantflux[W],Aisthesourcearea,aistheplaneanglebetweenthesurface normala... Open at page → 17 Page 17 where7isthethermodynamic temperature, 7\istheradiancetemperature,Xisthemean effectivewavelengthoftheNISTPEP(655.3nm),and£\istheestimatedemissivityofthe blackbody(0.99). Determination ofthespectralradiancetemperatureofawo... Open at page → 18 Page 18 (Mau,sourcesolidanglesda>wsanddfi)Au,andthesourceinclinationangles9wsand0auarethe sameformeasuringboththetransferstandardandthegold-pointblackbody,themeasuredratio simplifiestotheexpression, L 'A,WS (Xws ) L (13) 'A.Au T... Open at page → 19 Page 19 3.RealizationoftheU.S.nationalscaleofradiancetemperature 3.11990NISTscaleofradiancetemperature Thereferencetemperature standard, agoldfixed-point blackbody (Au)witha temperature(Tau)of1064.18°C(1337.33K),andthePlanckradi... Open at page → 20 Page 20 76mminlengthand6mmindiameterandhasa60°conicalendshown,ismadefromUltra"F" gradegraphite(spectrographic puritiesof10ppmorless).Surrounding thiscavityisacrucible containing0.99999%puregold.Thecavity,alongwithgraphiteringsan... Open at page → 21 Page 21 Thegold-pointblackbodycontrolsystemshowninfigure5consistsofa286-based personalcomputer,whichregulatesthepowersupplyandreadsthethermocouplemeasurements fromthedigitalvoltmeter.Tomonitorthesetpoints,platinumandplatinum/10%... Open at page → 22 Page 22 DVM LEGEND ASA ArgonSupplyandAlarm cw 55°CChilledWater/ColdWaterSwitch DVM DigitalVoltmeter GC Gold-filledCruciPle HPF HeatPipeFurnace PC PersonalComputer PS PowerSupply PT Pt/Pt-10%RhThermocouple(TypeS) Figure5.Gold-poi... Open at page → 23 Page 23 disadvantage istherequirement ofpredictable filamentexpansionandcontraction for reproduciblecalibrationareaindicationbythepointer. Until1995,theNISTissuedGeneralElectric 3 type30A/6V/T24ribbonfilamentlamps asradiancetemp... Open at page → 24 Page 24 50 45 40 *-35 C 0) 330 U o. E25 (0 -J 20 15 - 10 500 1000 1500 2000 2500 Temperature (C) Figure7.TypicallampcurrentsfortheGeneralElectric30A/T24/6ribbonfilamentlamp. TheNISTiscurrentlyissuingU.K.GeneralElectricCompany(GE... Open at page → 25 Page 25 temperature scalebetweenscalerealizationsandasthetransferstandard forcalibration measurements. Thetemperature oftheworkingstandardlamp(serialnumberSL20) is determinedbyspectralcomparisonwiththegold-pointblackbody.Adrawin... Open at page → 26 Page 26 16 Open at page → 27 Page 27 Cylindricalsections withfinerdetails 1 Quartzglass 2 Grafoil 3 Felt 4 Graphiteheaterelement 5 Watercoolinglines 6 Argonline 7 ControlPyrometer 8 Endcap 9 Extension / TubedUmeler ii2.M Alldimensions incentimeters. 14.45-... Open at page → 28 Page 28 PS <h:> PTC TS VTBB 4-> SD ASA CW LEGEND ASA ArgonSupplyandAlarm CW 55°CChilledWater/ColdWaterSwitch PC PersonalComputer PS PowerSupply PTC PIDTemperatureController SD SiliconDetector TS ThermalStabilizer VTBB VariableTe... Open at page → 29 Page 29 Figure13.Variabletemperatureblackbodycontrol.Afterdecreasingthesetpointby100°C,theblackbody stabilizesinlessthan10min. 3.3NISTphotoelectricpyrometer 3.3.1Measurementsystem ThePEPisaNISTdesignedtransferradiometer,whichuse... Open at page → 30 Page 30 20 Open at page → 31 Page 31 TC PMT WSL 1 VTBB 000|e U e GPL TL 1 1 TLM TL GPBB ^ SourceTable LEGEND AMP Amplifier PS PowerSupply DVM DigitalVoltmeter RS RoomHumiditySensor EM EnvironmentalMonitor TC ThermoelectricCooler GPBB Gold-pointBlackbody TL... Open at page → 32 Page 32 pathbehindthefieldstopmount.Theoperatorviewsthelampfilamentorblackbodyaperture andmovesthefilamentoraperturetothetargetareaviewedbythePEP. 3.3.3Interferencefilters ThePEPusestwointerference filterscenteredon655.3nmtoprod... Open at page → 33 Page 33 j A •t a •dA K=~[ 7T- (17) J T A •dA ByapproximatingtheintegralwithfinitesumsoverequalwavelengthbandwidthsdA,Acisfound tobe 800 Q_ '=400 .1GX - goo Uo; /=400 wherethevalueofiindicatesthewavelengthinnm.Thespectralbandwidt... Open at page → 34 Page 34 normalizationfactorsforeachrangeareshownintable3. Table3.Currentamplifiernormalizationfactors Range[V/A] Normalizationfactor 10 7 Ca,R7=Rg/R?=9.9776 10 8 Ca,r8=Rg/Rg= 1 10 9 Ca,R9=R8/R9=9.9858x 10" 2 10 10 Ca.rio=Rs/Rio=... Open at page → 35 Page 35 Table4.Detectorsystemcorrectionfactorsandlinearitycoefficients Gain [V/A] Ao [V] A, A 2 [V 1 ] 10 7 0.9987for 500nA 0.9973for 1000nA -2.1274x 10" 8 1 -26687x10^ 10 8 0.9998for 50nA 0.9996for 100nA -2.1308x 10" 6 1 -3.899... Open at page → 36 Page 36 Ill o IEl Os m 00 tN © SO SO SO 00 in in m <N <* so o rn so oo Os Os © © so 00 OS Os © © SO r- t> Os SO OS a o a u.2 u © so so SO 00 >n Csl r- <n ts CO On <N SO 3 s OSpi so Os SO Os X in © X m O X r~- 00 00 CO X «* o o p... Open at page → 37 Page 37 3.3.6Wavelengthcalibration ThemeaneffectivewavelengthofthePEPiscalculatedfortemperaturefrom800°Cto 3000°Cbymeasuring itsrelativespectralresponseintheNISTVisible/NearInfraredSpectral ComparatorFacility[15].Thecollimatingl... Open at page → 38 Page 38 where"kj Ti isthemeaneffectivewavelength,L\istheradianceofthetestlampattemperature T\,andhiistheradianceoftheWSattemperatureT 2 . Allofthetemperaturemeasurements areperformedforameaneffectivewavelengthof 655.3nm,andthese... Open at page → 39 Page 39 Table6.Corrections(°C)totheradiancetemperature at900nmandat1000nm jjidCKDOQylemperdiure ^ Q00nm yyjvjinn 1nnnnm 800 -0.20 -0.27 1100 -0.32 -0.45 1500 -0.53 -0.75 1900 -0.80 -1.13 2300 -1.12 -1.58 3000 -1.82 -2.55 3.3.7Si... Open at page → 40 Page 40 0.2 c o O 0) i_ i_ o o o o (0 0) N (7) 0.1 0.0 500 -0.1 -0.2 O -0.3 -0.4 -0.5 -0.6 1255°C aVtbb/SL20 •SL20/AuBB H 1 1 1 1 h H h H h H H h 1000 1500 2000 2500 3000 Temperature(°C) Figure19.Thesizeofsourcecorrectionsforthe... Open at page → 41 Page 41 U 0v-^WS) dL ws + dn- u{n k) u(c 2) OL ws_Y (dL + 1=1 dX dL u(X) + ws dT \ nl/2 Ail ws "(*,) u(T Au) (28) canbecalculatedbytherootsumofsquares(RSS)oftheproductsofpartialderivativeswith theirrespective uncertainties. This... Open at page → 42 Page 42 dAys_ Ays 3c, exp c 2 n K X-T Au exp (32) - 1 Theexpressionineq(28), 3jc Avs (33) representsthepartialderivativesofLwswithrespecttox,wherexisoneoftheelevenvariables ineq(28). Table7detailstypicalvaluesofthevariablesineq(... Open at page → 43 Page 43 Table7.TypicalvaluesofWSlampvariablesandparameters Variable Symbol Value Refractiveindex nx 1.00028 Wavelength X 655.3nm Freezingtemperatureofgold 1An 1337.33K Secondradiationconstant Cl 14387.69(im-K EmissivityofAu 0.99... Open at page → 44 Page 44 Table8.UncertaintybudgetfortheNISTWSlampspectralradiancerealization Expanded UIll/CIlallliyL.U1I1JJLM1CI11 OyII1UU1 Uncertainty (/:=2) TypeA TypeB Refractiveindex u(nx) 0.00002 Wavelength u(X) 0.2nm Freezingtemperatureof... Open at page → 45 Page 45 Thecalibrationsresultingfromtheprocessesdescribedinthisdocumentarederivedin principlefromacompleterealizationoftheradiancetemperature scale,andthereforearenot dependentuponthemaintenanceofin-housestandards. Inpractice,th... Open at page → 46 Page 46 ^2 O o ? 1 o O 0 s re Q K -1 -2 500 oApr-92 aSep-94 xJun-95 Oct-96 +Jul-97 1000 1500 2000 Temperature(°C) 2500 Figure21.Calibrationhistoryoftheradiationthermometercheckstandard(MinoltaCyclops52). 36 Open at page → 47 Page 47 4.TungstenRibbonFilamentLampCalibrations 4.1Lamppreparation TungstenribbonfilamentlampsarecalibratedbyNISTforthetemperaturerange800°C to2300°Cintermsofthe1990NISTRadianceTemperatureScalebyspectralcomparisontoa standardte... Open at page → 48 Page 48 Theinitiallampcurrentthatcorrespondsto1700°Cisselectedfrompreviousdataforthe lamptype.TheTListurnedonandsettoapproximately1700°Candalignedafter30min.The spectralradianceratiooftheTLtotheWS,ri,iscalculated,theWSsignal,Sws... Open at page → 49 Page 49 AT% a > (37) Thecoefficients a,arecalculatedfromaleastsquares fitoftwootherparameters,Tmemand AI/AT.Thefirstparameterisdefinedby T mean T+T (38) andtheslopeofthelinebetweenthecalibrationpointsPkandP k+ \infigure22isgiven... Open at page → 50 Page 50 determinedtobe /corr=/ m+ (r„"Tm) (40) 3 Figure23.Graphof7 meanandM/AT. Aleastsquaresfitoftheentirecalibrationdatasetsfindsthebestcurveforthedatasetbutnot necessarilyforeachdatapoint.Thismethodensuresthatthedirectionofth... Open at page → 51 Page 51 isfirstmeasured. Takingintoaccountthecorrection factorsforthesignals,theoverall measurementequationforthe1990NISTScaleofRadianceTemperatureforcalibrationofthe TLtemperature is T= XIn1+ 'A,TL (C A •C L •C s G) ws ^WS2 r 2... Open at page → 52 Page 52 Thepartialderivativesof7tlwithrespecttoxare TL TL dx A.TL A •Z/^y S2 OS. (c, "a * TL C s •G). exp (47) A • 7; TL wherexisoneofthevariableslabeledx xineq(43). Typicalvaluesofthevariablesineq(42)areshownintable9,andtheunce... Open at page → 53 Page 53 Table10.UncertaintybudgetfortheTLtemperaturecalibration Expanded Uncertaintycomponent Symbol Uncertainty(k=2) TypeA TypeB Refractiveindex u(nx) 0.00002 Wavelength 0.2nm Secondradiationconstant u(ci) 024um-K EmissivityofT... Open at page → 54 Page 54 5.Disappearingfilamentopticalpyrometercalibrations 5.1Opticalpyrometerpreparation Disappearingfilamentopticalpyrometers(DFP)arecalibratedfrom800°Gto4200°C bycomparisontotheVTBB.Whenthetestunitarrives,thebatteriesarecheck... Open at page → 55 Page 55 thecurveI(T)=ao+a\T+a^T+ayTcalculatingaleastsquaresapproximation foreachDFP range.FortheLrangetheblackbodytemperatures arecalculatedatthenominaltemperatures 1100°C,1200°C, 1700°Candreportedversusthepyrometerlampcurrents.... Open at page → 56 Page 56 TheuncertaintyinthespectralradianceoftheBBcanbecalculatedbytheRSSofproductsof partialderivativesofeq(46)withtheirrespectiveuncertaintiesasfollows, M 0\BB) — ar, BB u(n x )+ far, 12 (r)T v -11/2 -52- •U(X) dX V far, BB ,... Open at page → 57 Page 57 representsthepartialderivativesofTeBwithrespecttox,wherexisoneofthevariables,£Bb,C\l, r-i,C\,ws>^l,ws,Cs.ws,G\vs,Ca.bb,Cl,bb,^s.bb,or^bb- AsummaryoftheDFPvariablevaluesineq(46)intable 11.Uncertaintyvaluesfrom eq(47)aregi... Open at page → 58 Page 58 Table12.UncertaintybudgetfortheDFPpyrometertemperaturecalibration Expanded Uncertaintyfactor Symbol Uncertainty(k=2) TypeA TypeB lVvl1CWsLiVK/1JlUvA 000002 waveiengin U{A) u.znm oeconaraaidiionconstant U{C2) U.Z4(xm-K um... Open at page → 59 Page 59 6.Infraredthermometercalibrations 6.1Radiationpyrometerpreparation Radiationthermometers(RT)aremeasuredforthetemperaturerangefrom800°Cto 2700°C.TheRTsareoperatedaccordingtothemanufacturer's operatinginstructionsunless sp... Open at page → 60 Page 60 TheuncertaintyinthespectralradianceoftheBBcanbecalculatedbytheRSSoftheproducts ofthepartialderivativesineqs(57)through(60)withtheirrespectiveuncertainties, W 0(^~BB) — r *Tm .^ farnn_Y far, u{n x)+ BB 12 +1 OX; \ -|172 d... Open at page → 61 Page 61 f4,Ca.ws.Cl,ws 5Cs.ws.Gws,C\,bb,Cl,bb,Cs.bb,orGbb- Table13showsthetypicalvaluesofthevariablesineq(55).Theuncertaintiesofeq(56) aredisplayedintable14.Finally,thetotalexpandeduncertaintyshownintable14is "(Tbb) BB ( M 0(-^B... Open at page → 62 Page 62 Table14.UncertaintybudgetfortheRTtemperaturecalibration Expanded Uncertaintycomponent Symbol Uncertainty(k=2) TypeA TypeB Refractiveindex u(nx) 0.00002 Wavelength 0.2nm Secondradiationconstant u{c 2) 0.24|0,mK Emissivity... Open at page → 63 Page 63 7.ModificationstotheNISTphotoelectricpyrometer Theradiancetemperaturecalibrationsdescribedinthisdocumentareperformedusing theNISTPEP,whichisasinglewavelengthinstrument.Thespectralradiancetemperatures at 900nmand1000nmare... Open at page → 64 Page 64 Acknowledgments TheauthorswouldliketothankRobertD.Saundersforhistechnicalassistancein readingthemanuscriptandhisconstantencouragement. TheyalsoliketothankFrankLovas, DeanRipple,andChrisKuyattforusefulsuggestionsandcommen... Open at page → 65 Page 65 References [I]Mielenz,K.D.,Saunders,R.D.,Parr,A.C.,andHsia,J.J.,"The1990NISTScalesof ThermalRadiometry," J.Res.NIST,95,621(1990). [2]Preston-Thomas, H.,"TheInternationalTemperatureScaleof1990(ITS-90),"Metrologia, 27,3-10... Open at page → 66 Page 66 [14]Saunders,R.D.andShumakerJ.B.,"AutomatedRadiometric LinearityTester,"Appl.Opt., 23,20,3504,(1984). [15]Larason,T.C.,Bruce,S.S.,andCromer,C.L.,"TheNISTHighAccuracyScalefor AbsoluteSpectralResponsefrom406nmto920nm,"J.Re... Open at page → 67 Page 67 AppendixA:Ribbonfilamentlampsamplecalibrationreport Inreplyreferto: 844/123456-95 RadiometricSystemsInc. Attn:JohnDoe 123CalibrationCourt MeasurementCity,MD00000-0000 Subject: RibbonFilamentLampReportofCalibration OrderN... Open at page → 68 Page 68 REPORTOFCALIBRATION 35050CRadianceTemperatureStandard, RibbonFilamentLamp for Model#GeneralElectric30A/T24/6,Serial#P000 Submittedby: JohnDoe RadiometricSystemsInc. 123CalibrationCourt MeasurementCity,MD00000-0000 (Seeyo... Open at page → 69 Page 69 REPORTOFCALIBRATION 35050CRadianceTemperatureStandard,RibbonFilamentLamp Model#:GE30A/T24/6 RadiometricSystemsInc. Serial#:P000 3.ResultsofCalibration Table 1givestheradiancetemperatureofthetestlampat655.3nmversusthetest... Open at page → 70 Page 70 REPORTOFCALIBRATION 35050CRadianceTemperatureStandard,RibbonFilamentLamp Model#:GE30A/T24/6 RadiometricSystemsInc. Serial#:P000 References [1]C.E.Gibson,B.K.Tsai,andA.C.Parr,"RadianceTemperatureCalibrations,"NIST Special... Open at page → 71 Page 71 REPORTOFCALIBRATION 35050CRadianceTemperatureStandard,RibbonFilamentLamp RadiometricSystemsInc. Model#:GE30A/T24/6 Serial#:P000 TABLE1 RadianceTemperatureofLampP000at655.3nm Radiance Temperature (1990NIST) L Lamp Current... Open at page → 72 Page 72 REPORTOFCALIBRATION 35050CRadianceTemperatureStandard,RibbonFilamentLamp RadiometricSystemsInc. Model#:GE30A/T24/6 Serial#:P000 TABLE2 RadianceTemperatureCalibrationUncertainties SourceofUncertainty Type ExpandedUncertai... Open at page → 73 Page 73 AppendixB:Opticalpyrometersamplecalibrationreport Inreplyreferto: 844/123456-95 RadiometricSystemsInc. Attn:JohnDoe 123CalibrationCourt MeasurementCity,MD00000-0000 Subject: OpticalPyrometerReportofCalibration OrderNo.:A... Open at page → 74 Page 74 REPORTOFCALIBRATION 35040CRadianceTemperatureStandard, DisappearingFilamentOpticalPyrometer for Model#LeedsandNorthrup8631-F,Serial#0000000 Submittedby: JohnDoe RadiometricSystemsInc. 123CalibrationCourt MeasurementCity,... Open at page → 75 Page 75 REPORTOFCALIBRATION 35040CRadianceTemperatureStandard,OpticalPyrometer RadiometricSystemsInc. Model#:L&N8631-F Serial#:0000000 Thetestpyrometerwasoperatedaccordingtothemanufacturer'soperatinginstructions.The pyrometerwas... Open at page → 76 Page 76 REPORTOFCALIBRATION 35040CRadianceTemperatureStandard,OpticalPyrometer RadiometricSystemsInc. Model#:L&N8631-F Serial#:0000000 References [1]C.E.Gibson,B.K.Tsai,andA.C.Parr,"RadianceTemperatureCalibrations,"NIST SpecialP... Open at page → 77 Page 77 REPORTOFCALIBRATION 35040CRadianceTemperatureStandard,OpticalPyrometer RadiometricSystemsInc. Model#:L&N8631-F Serial#:0000000 TABLE1 RadianceTemperatureat655.3nm Nominal Temperature [°C] Blackbody Temperature (1990NIST)... Open at page → 78 Page 78 REPORTOFCALIBRATION 35040CRadianceTemperatureStandard,OpticalPyrometer RadiometricSystemsInc. Model#:L&N8631-F Serial#:0000000 TABLE2 RadianceTemperatureCalibrationUncertainties SourceofUncertainty Tvoe ExpandedUncertain... Open at page → 79 Page 79 AppendixC:Radiationthermometersamplecalibrationreport Inreplyreferto: 844/123456-95 RadiometricSystemsInc. Attn:JohnDoe 123CalibrationCourt MeasurementCity,MD00000-0000 Subject: RadiationThermometerReportofTest OrderNo.:... Open at page → 80 Page 80 REPORTOFTEST 35070SSpecialTestofRadiationThermometer for Model#Minolta-LandCyclops52,Serial#00000000 Submittedby: JohnDoe RadiometricSystemsInc. 123CalibrationCourt MeasurementCity,MD00000-0000 (SeeyourPurchaseOrderNo.AB... Open at page → 81 Page 81 REPORTOFTEST 35070SSpecialTestofRadiationThermometer RadiometricSystemsInc. Model#:Minolta-LandCyclops52 Serial#:00000000 Thethermometerwasalignedsothatitsopticalaxis,whenviewingthevariable-temperature blackbody,coincide... Open at page → 82 Page 82 REPORTOFTEST 35070SSpecialTestofRadiationThermometer RadiometricSystemsInc. Model#:Minolta-LandCyclops52 Serial#:00000000 Preparedby: Approvedby: CharlesE.Gibson OpticalTechnologyDivision PhysicsLaboratory (301)975-2329... Open at page → 83 Page 83 REPORTOFTEST 35070SSpecialTestofRadiationThermometer RadiometricSystemsInc. Model#:Minolta-LandCyclops52 Serial#:00000000 TABLE1 RadianceTemperatureat1000nm Nominal Temperature [°C] Blackbody Temperature (1990NIST) [°C]... Open at page → 84 Page 84 REPORTOFTEST 35070SSpecialTestofRadiationThermometer RadiometricSystemsInc. Model#:Minolta-LandCyclops52 Serial#:00000000 TABLE2 RadianceTemperatureTestUncertainties SourceofUncertainty Type ExpandedUncertainties(k= 2)[°... Open at page → 85 Page 85 AppendixD:Radiancetemperaturemeasurementserviceslaboratoryproceduremanual RadianceTemperatureMeasurements LaboratoryProceduresManual v J D1 Open at page → 86 Page 86 SafetyIssues Safetyglassesarerequiredinlabatalltimes. Thefollowinghazardshavebeenidentifiedinthislab.Safetymeasuresareinplacetoreduce riskofinjuryfromhazardsbelow. BRIGHTSOURCE Staringatsourceistobeavoidedbecausestaringc... Open at page → 87 Page 87 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedures TableofContents i. SafetyIssues 1. RunningGeneralDataTakingProgram(RTMLP 1 ) 2. NISTPhotoelectricPyrometer(PEP)Operation(RTMLP2) 3. Gold-... Open at page → 88 Page 88 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure RunningGeneralDataTakingProgram Writtenby: Approvedby: Revisedby: CharlesGibson Procedure: RTMLP1 Date: _ Date: RunningtheGeneralDataTakin... Open at page → 89 Page 89 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure NISTPhotoelectricPyrometer(PEP)Operation Writtenby: CharlesGibson Procedure: RTMLP2 Approvedby: Date: Revisedby: Date: NISTPhotoelectricPy... Open at page → 90 Page 90 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP2:PhotoelectricPyrometer(PEP)Operation 3. Checkscopealignment(scopeisusedtodefineopticalaxisofPEP) a. TurnonSL20orotherlampi... Open at page → 91 Page 91 , OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure Gold-pointBlackbody(GPBB)Alignment Writtenby: CharlesGibson Procedure: RTMLP3 Approvedby: Date: Revisedby: Date: WBMllWni^ Gold-pointBla... Open at page → 92 Page 92 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure Gold-pointBlackbodyOperation Writtenby: CharlesGibson Procedure: RTMLP4 Approvedby: Date: Revisedby: Date: Gold-pointBlackbody(GPBB)Operat... Open at page → 93 Page 93 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP4:Gold-pointBlackbodyOperation d. CycleGPBBthroughmeltandfreezecycles i. Press3tomonitorlampsandreadGPBBtemperature ii. Pres... Open at page → 94 Page 94 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure RibbonFilamentLampPreparation Writtenby: CharlesGibson Procedure: RTMLP5 Approvedby: Date: Revisedby: Date: RibbonFilamentLampPreparation... Open at page → 95 Page 95 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP5:RibbonFilamentLampPreparation b. Annealvacuumlamp i. Leaktestlamp (1) Setlampto1000°C(PMTsignal=5.3Von9range,high voltage=... Open at page → 96 Page 96 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure RibbonFilamentLampAlignment Writtenby: CharlesGibson Procedure: RTMLP6 Approvedby: Date: Revisedby: Date: RibbonFilamentLampAlignment BRIG... Open at page → 97 Page 97 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure RibbonFilamentLampOperation Writtenby: CharlesGibson Procedure: RTMLP7 Approvedby: Date: Revisedby: Date: RibbonFilamentLampOperation BRIG... Open at page → 98 Page 98 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP7:RibbonFilamentLampOperation e. Turnoffsupply i. Press2 ii. Type(supply#)andpress[Enter] f. Changelampcurrent i. sameas(1)... Open at page → 99 Page 99 i OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure RibbonFilamentLampProcedure Writtenby: CharlesGibson Procedure: RTMLP8 Approvedby: Date: Revisedby: Date: RibbonFilamentLampCalibrationP... Open at page → 100 Page 100 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP8:RibbonFilamentLampProcedure v. Enternumberofreadings(numberofreadingsperDMMtrigger) vi. Selectlamptype vii. Selectdetector... Open at page → 101 Page 101 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP8:RibbonFilamentLampProcedure 5. Storecalibrationdatainlogfile"CALMMDD.YY' 6. Usesamplelogfilebelow: Date08-15-1995 Time12:4... Open at page → 102 Page 102 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP8:RibbonFilamentLampProcedure 7. Storelampdataintestfile"XXXXMMDD.YY" 8. Usesampletestfilebelow: P510815.95 08-15-1995 12:49... Open at page → 103 Page 103 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure RibbonFilamentLampDataReduction Writtenby: CharlesGibson Procedure: RTMLP9 Approvedby: Date: Revisedby: Date: RibbonFilamentLampDataReduct... Open at page → 104 Page 104 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP9:RibbonFilamentLampDataReduction Reducing'C\PYRO\P510815.95' 08-17-1995 11:26:56AM P510815.95 08-15-1995 12:49:14PM inomcTm... Open at page → 105 Page 105 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP9:RibbonFilamentLampDataReduction Coefficientsusedtocalculated//d!Tfroma5 th degreepolynomial C(0)-U.UoJj1/4ooU4J 1j/ C(l)-... Open at page → 106 Page 106 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP9:RibbonFilamentLampDataReduction 17. SaveT nom and/ corT indatafile"XXXXMMYY.TXT" 18. Usesampletestdatafilebelow: C:\PYRO\P... Open at page → 107 Page 107 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP9:RibbonFilamentLampDataReduction 08-17-1995 11:50:32 Previouscalibrationdatafile='c: iles\p510393.txt' Currentcalibrationda... Open at page → 108 Page 108 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP9:RibbonFilamentLampDataReduction 31. Usesamplecomparisondatafilebelow: P51_393.895 08-17-1995 11:50:49AM Temp[°C] xL JdT[°C... Open at page → 109 Page 109 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP9:RibbonFilamentLampDataReduction 32. Preparecalibrationsummarysheet 33.Asamplecalibrationsummarysheetisbelow: RadianceTempe... Open at page → 110 Page 110 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP9:RibbonFilamentLampDataReduction 34. Enterdatafilename"XXXXmyy.MYY" a. PreparehistoryfileconsistingofMicrosoftEXCELspreadsh... Open at page → 111 Page 111 _— OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure VariableTemperatureBlackbody(BB)Alignment Writtenby: CharlesGibson Procedure: RTMLP10 Approvedby: Date: Revisedby: Date: VariableTemper... Open at page → 112 Page 112 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure VariableTemperatureBlackbody(BB)Operation Writtenby: CharlesGibson Procedure: RTMLP11 Approvedby: Date: Revisedby: Date: VariableTemperatu... Open at page → 113 Page 113 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP11:VariableTemperatureBlackbody(BB)Operation Press[START],[WATERON],and[RUN]buttons i. NotethatBBdoesnotcontrolchilledwaterf... Open at page → 114 Page 114 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP11:VariableTemperatureBlackbody(BB)Operation (d) Press0for0.1°C (2) Pressdirectionkeytosetnewsetpoint (a) Press8toincreasese... Open at page → 115 Page 115 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure DisappearingFilamentOpticalPyrometerAlignment Writtenby: CharlesGibson Procedure: RTMLP12 Approvedby: Date: Revisedby: Date: DisappearingF... Open at page → 116 Page 116 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure RadiationThermometer(RT)Alignment Writtenby: Approvedby: Revisedby: CharlesGibson Procedure: RTMLP13 Date: Date: RadiationThermometer(RT)A... Open at page → 117 Page 117 OpticalTechnologyDivision(844) 1 RadianceTemperatureMeasurementsLaboratoryProcedure RadiationThermometer(OpticalPyrometer) CalibrationProcedure Writtenby: CharlesGibson Procedure: RTMLP14 Approvedby: Date: Revisedby: Dal... Open at page → 118 Page 118 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP14:RadiationThermometer(OpticalPyrometer) CalibrationProcedure ii. Enterradiationthermometerdata (1) Enterdataforcheckstanda... Open at page → 119 Page 119 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP14:RadiationThermometer(OpticalPyrometer) CalibrationProcedure u. MoveBBinfrontofeachRTandtakereading i. ReadRTswithdigitalo... Open at page → 120 Page 120 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP14:RadiationThermometer(OpticalPyrometer) CalibrationProcedure—— ^ bMM— Date12-13-1996Time9:48:10AM FileName = CAL1213.96 PM... Open at page → 121 Page 121 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP14:RadiationThermometer(OpticalPyrometer) CalibrationProcedure 9. StoreRTdataintestfile"XXXXMMDD.YY" 10. Usesampletestdatafi... Open at page → 122 Page 122 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure RadiationThermometer(RT)DataReduction Writtenby: CharlesGibson Approvedby: Revisedby: Procedure: RTMLP15 Date: Date: RadiationThermometer(... Open at page → 123 Page 123 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP15:RadiationThermometer(RT)DataReduction 14. Usesamplefilebelow: Testl096.TXT 11/4/96 Tnom Tcorr TEST Corr Filter [°C] E°C]... Open at page → 124 Page 124 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP15:RadiationThermometer(RT)DataReduction RadianceTemperatureLab CalibrationSummarySheet Today'sdate:December17,1997 NISTTest... Open at page → 125 Page 125 OpticalTechnologyDivision(844) RadianceTemperatureMeasurementsLaboratoryProcedure ProcedureRTMLP15:RadiationThermometer(RT)DataReduction i 17. PrintouttestfileforRTcheckstandard a. PreparehistoryfileconsistingofMicrosoft... Open at page → 127 Page 127 AppendixE:HowtoRequestRadianceTemperatureMeasurementServices 1.Prepareapurchaseorderwiththefollowing: a.Companynameandaddress b.Contactperson'snameandphonenumber. c.Billingaddress d.ServiceIDnumberrequested(includerangea... Open at page → 131 Page 131 THESP250SERIESONNISTMEASUREMENTSERVICES* SP250-1 SpectralRadianceCalibrations PB87179883 SP250-2 FarUltravioletDetectorStandards PB87227609 SP250-3 RadiometricStandardsintheVacuum Ultraviolet PB87227625 SP250-4 FrickeDos... Open at page → 132 Page 132 u ©S3 O00 co EI §.£ og .o C/2 8 o 4> c> Ob =a. F^ o^ -o £c PZ§OO£ Open at page →