e2t infrared temperature measurement systems … · e2t infrared temperature measurement systems...
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E2T Infrared Temperature Measurement Systems
E2T PULSAR 4 / PULSAR 4 Advanced
Infrared Thermometry for Sulfur Reactors and Other High Temperature Furnaces
• SingleChannelStandardModelprogrammableforGasorRefractoryMeasurement
• TwoChannelAdvancedModelwithsimultaneousMeasurementofRefractoryandGasTemperatures
• Separatechannelanologoutputsandalarmrelaysetpoints
• InstantorAverageReadings
• Explosion-ProofCertificationII2GEXdIIB+H2T4,IECEx,ATEX,FM(USandCDN)plusadditionalregionalcertifications
• FMAFlameMeasurementAlgorithm(PULSAR4AdvancedOnly)
• RS485Interface
LumaSenseTechnologies’newgenerationE2TPULSAR4combinescontinuousmeasurementofgasandrefractorytemperatures,reportingbothreadingssimultaneouslyinoneinstrument.
Complex ProcessesOptimaloperationofSulfurRecoveryUnit(SRU),SulphurBurner,andThermalOxidizerfurnacesrequireaccurateprocessGas(Flame)measurementandaccurateRefractorymeasurementforopera-tionalsafety(hightemperaturealarms).
Ofparticularimportanceiscontrolofthefurnaceprocesstemperaturestopreventdamagetothefurnacerefractoryandassurancethatreactionordestructiontemperaturesarereachedandmaintained.
The ProblemThermocouplemeasurementofacidprocesseseitherfailprematurelyorareprotectedbymultiplethermowellsandsweepairsystemsthatmakethermaltransmissiontotheactualthermocoupleinaccurateorslowandonlyprovidesarefractorymeasurementnotusefulforprocesscontrol.
TypicalSingleChannelInfraredPyrometersdonotcompensateforchangingflametransparenciesandonlyprovideonewavelengthmeasurement.ClientsmustsettleforeitheraGas(Flame)orRefrac-torymeasurementormakemultipleinstallationsrequiringmultipleportsandhardwareinstallations.
Changingflametransparencyisacommonissuethataffectstypicalinfraredpyrometermeasure-ments.CombustionchangesintheprocesseschangestheGas(Flame)transparencyandaffectstheGasandRefractoryIRmeasurements.AcleanburningflamebecomestransparenttotheIRGasmeasurements.ThetransparencyofthegaseswillcausetheGasIRMeasurementtoseethecoolerrefractoryandincludethisintothegasmeasurement,whichresultsinalowerthanactualtemperaturemeasurement.Theoppositehappensforadirtyburningflamethatwilllimittherefractorymeasurementfromseeingthroughthedirtyflameandaddingthisflameinfluencetotherefractorymeasurement.
SinceFlameTransparencyvarieswiththeprocessfeedstothefurnaces,thetransparencyeffectontheIRmeasurementsisavariablefactorusedtocorrectmeasurementsintheseapplications.
The LumaSense SolutionAsinglepyrometerinstallationwithtwoindepen-dentIRfiltereddetectorspyrometersystemthatprovidesbothGas(Flame)andRefractorymeasurementssimultaneously,combinedwiththeinnovativeLumaSenseSmartFMAFlameMeasure-mentAlgorithmthatwillaccuratelydoreal-timeflametransparencycompensationandcorrection.ApplyingflametransparencycalculationwithFMAremovestheflametransparencyerrorstotheGas(Flame)temperatureprovidingthehighestaccuracyinprocesstemperatures.
BothGasandRefractorymeasurementsarecriticaltothefurnaceoperations.TheGas(Flame)measurementisusedbytheoperatortodetectthermaleventsbeforeIRenergyisabsorbedbytherefractory,creatingarefractorythermalevent.ThismethodofearlywarningbyuseoftheGas(Flame)temperatures,allowsaddedtimeforoperatorstomakeprocesschangesandreducepotentialRefrac-torythermaleventsbeforetheycanbecomecriticalbytriggeringahighlevelalarmsystembasedontheRefractorytemperaturemeasurementssetpoint.
Temperature SystemsLumaSense’sE2TPULSAR4AdvancedisdesignedtomeasuretwowavelengthsforcontinuousandinstantaneousmeasurementofRefractoryTempera-ture(RT),GasTemperature(GT)andIntegratedTemperature(FF).
ThePULSAR4isasinglechanneloptionfordirectreplacementofourolderPULSARIIproducts.The2ndchannelcanbeaddedwithafirmwarekeyafterpurchasingthePULSAR4.
Over550refineries,gasplantsandpetrochemicalcompanieswithover1,700installationsworldwidehavelookedtousforaccurateinfraredtempera-turedata.WhenyouinstallE2TPULSAR4infraredthermometers,youareinvestinginprovenexperi-ence,superiorperformanceandultimatecostsavings.
Smart FMA™ Higher Area Classification (IIB+H2)
High ambient temperatures
Multi powered functionality
SMART FMA (PULSAR 4 Advanced Only)
LumaSenseTechnologieshasdevelopedauniquemethodcalledLumaSenseSmartFlameMeasurementAlgorithm(SmartFMA)tocompensateforvaryinggastransparencyandtheireffectsongasandrefractoryIRtemperaturemeasurements.Inanormalsituation,adirtyflamecanincreasethesignalemittedfromtherefractorydependingonthequality,quantityandabsorptionoftheflame.
Inasimilarmanner,sometransparencyoftheflameorhotgascancauserefrac-toryradiancetodecreasetheflametemperature.TheFMAalgorithmvirtuallyremovestheseunwanted‘crosstalk’artifactsandsolvesformoremeaningfulrefractoryandflame/hotgastemperaturesinrealtime.
ThechartillustratesthedifferencebetweenStandardoperatingmodeandSMARTFMAoperatingmode(fieldswitchable).Notethatastheflameintensityundergoesstepchanges,refractory(RT)andstandardflame/hotgas(GT)waveformshavedampenedresponses.Thisisexpectedontherefractoryduetothethermalmassoftherefractory,butnotontheflameresponse.WithSMARTFMAactivated,thehotgaschannel(GT)displaysastepchangesimilartotheactualcombustionairandgasflowsintotheSRU.
Installation Principles
Location on FurnaceUtilizationofthedifferenttemperaturemeasurementsystemsdependsuponthefeedgasesandburnerdesignofthereactor.Ifyouburnsimpleacidgaswithcombustionair,thePULSAR4shouldbeinstalledtwo-thirdsofthewaydownstreamfromtheburnertothewasteheatboiler.Ifthereisacheckerwallorchokering,installationatLocations2and3(showninthediagrambelow)isrecommended.
Withoxygen-enrichment,refractoryintegrityiscriticallyimportant.BurnerdesignandlocationbecomeparamountindeterminingtheplacementoftheIRthermometer.TheRTRefractoryTemperatureshouldbeinstalledaimedattheareawherethedesignersanticipatethehighestrefractorytempera-tures.Forexample,Location1isrecommendedforcheckerwallprotectionandLocation4fortubesheetmonitoring.Temperaturesatthetubesheetareespeciallycriticalsincetheferrulesandceramictube-to-metaljunctionsmayfacepotentialexcessivetemperatureexcursionsasaresultofoxygen-enrichmentoperations.
Mounting to FurnaceTheE2TPULSAR4shouldbemountedonthehorizontaldiameter(nogreaterthan±15°)perpendiculartothevesselsightingonrefractory,oradjacenttotheburnersightingonthecheckerwallortubesheet.
TheSOF-8Swing-outFixturemountstoa3-inch150or300poundballvalveconnectedtothefurnaceviaacustomer-supplieddownstreampurgeconnection.Minimumpurgeratesfordownstreamandviewportis17m3/h(@standardconditions)SCFM.ThePULSAR4housingincludesacavityforwaterorvortexaircoolingwhenambienttemperaturesexceed140°F(60°C).Client-suppliedsealedflexlinesshouldbeusedforpowerinputandsignaloutputinaccordancewithlocalcodesforhazardousenvironments.
Actual SRU Data Showing Standard Mode vs. SMART FMA Mode in the PULSAR 4 Advanced
Field-Configurable to Multiple Temperature Combinations
PULSAR 4ThePULSAR4hasthecapabilitytomeasureoneselectedtemperaturemeasure-ment.Forexample,thesinglechannelcanmeasurerefractorywalltemperatureormeasurehotcombustiongastemperature.ThedualchannelmeasurementscapabilityisnotactivatedforthePULSAR4.AnoptionalproductfirmwareupgradecanbepurchasedtoactivatethePULSAR4Advancedcapabilities.ThePULSAR4isintendedasadirectsinglechannelreplacementforclientswithPULSARIIequipment.
EachPULSAR4providestwoidenticalanalogoutputs,butNoFMAcapability.
FieldSelectablemeasurements:
• RT—RefractoryTemperature
• GT—GasTemperature
• FF—AverageIntegratedTemperature
PULSAR 4 AdvancedThePULSAR4Advancedhasbeenuniquelydesignedtohavetheabilitytocontinuouslymeasuretwosimultaneoustemperatures.Forexample,onechannelcanmeasurerefractorywalltemperaturewhilethesecondchannelcanmeasurehotcombustiongastemperature.Thedualchannelmeasurementssharethesameopticalpath(viewport,isolationvalve,etc.).
EachPULSAR4Advancedprovidestwoanalogoutputs,FMAcapabilityandwhenturnedon,effectalloutputs.
FieldSelectablemeasurements:
• RT—RefractoryTemperature
• GT—GasTemperature
• FF—AverageIntegratedTemperature
• FMA—FlameMeasurementAlgorithm
Technical Data
PULSAR 4 PULSAR 4 AdvancedTemperature Range: 350…2000°C(662…3632°F)
Measurement uncertainty: (E = 1, t90 = 1 s, Tamb. = 25 °C)
+0.3%ofReadingor3°C+1Digit,whicheverisgreater
Repeatability:(E = 1, t90 = 1 s, Tamb. = 25 °C)
0.1%offullscalespan
Response Time t90: Programmablefrom0.05to120sec. Programmablefrom0.05to120sec.WhenFMAmodeison0.5to120sec.
Analog outputs 2identicalanalogoutputs4...20mA,linear,SelectoneofRT,GTorFFCorrespondingtoNAMURNE43
2analogoutputs4...20mA,linear,OutputscanbeassignedtoRT,GTorFFCorrespondingtoNAMURNE43
Digital Interfaces RS485addressable(half-duplex)Baudrate:1.2…115.2kBd
Load 0…600Ω (mAoutput)
Relay Alarm 30VDC/1Amax.;Resistive;Configurationofalarm:noalarm;alarm,iftemperature>setpoint;alarm,iftemperature<setpoint
Emissivity Adjustment 0.100to1.000digitalonbothchannelswheninStandardmode
Transmittance Adjustment 0.100to1.000digitalonbothchannelswheninStandardmode
Alpha Adjustment N/A 0.050to1.000aLPwheninFMAmodeonGTchannel(wheninFMAmode)
Focusing Range 500mmtoinfinity
Target Size 160:1StandardResolution,(distance/targetsize)
Power supply 24V(18…30VDC),0.2Amaximum;3.5Awithheater.115VAC±10%,47…63Hz;230VAC±10%,47…63Hz
Power consumption Max.90W(withheater)
Fusing 24VDC/1A,’T’Time-Lag5x20mm;5VAC/1.5A,’T’Time-Lag5x20mm;115/230VAC/1.25A,’T’Time-Lag5x20mm
Ambient Temperature Limits
-40...+60°Cwithnocoolingandusinginternalheater(ambienttemperature<4°C)to+80°Cwithvortexaircooler(optional)with7barsourceto+93°Cwithcoolingbaseand38l/hwaterflowat15°C
(thewatercoolingmethodcanaccommodatehigherambienttemperaturebyincreasingflowrate;consultfactory)
Hazardous Classification
1725 II2G,EXdIIB+H2T4GbFM14ATEX0004XIECExFME14.0001X
ClassI,Div.1,GroupsB,C&D,T4Ta=-40°Cto60°CIP65
Torque Spec, Lid Bolts 5.5Nm
AirViewportpurge:1.4barmin.,1.7m3/h(@standardconditions)Combustionpurge:1.4barmin.,17m3/h(@standardconditions)
LumaSense Technologies Awakening Your 6th Sense
www.lumasenseinc.comLumaSense Technologies, Inc., reserves the right to changethe information in this publication at any time.
[email protected]©2014 LumaSense Technologies. All rights reserved.
Pulsar4_Datasheet-EN - NH Rev 10/23/14
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Reference Numbers
3909010 PULSAR4Advanced 3909020 PULSAR4
3909030 PULSAR4AdvancedBackup3909040 PULSAR4Backup
Accessories
6882010 BUP-10;BackupTCprobeandadaptor6882020 COP-10;1eaModelCRAClean-Out-RamAssyandModelPAPG
ProbeAdaptorw/PackingGland6882030 BUP-10/COP-10;Backupthermocoupleprobeclean-outprobeand
singleadapterforPULSAR46882040 CRA(SA600-643C);CleanoutRam;Includes:1’’&1.5’’;Heads(2.54
&3.81cm)andSSRodforPULSAR46882180 SA611-VP10P;ViewportsetVP10withpyrexwindow6882210 SOF-1;2’’150lbRFswingawayfixture,incl.VP-10Pandmounting
hardwarekit;SA611-1EXP
6882220 SOF-8;3’’150/300lbRFswingawayfixture,incl.VP-10Pandmountinghardwarekit;SA611-8EXP
6882350 TC-72;ThermocoupleK,6’(182.88cm);withstopclamp,1/4’’dia.;stainlesssheath
6882370 SST;stainlesssteeltag6882400 VortecaircoolerforEXPhousing6882470 OringEXPLid6882730 SA611-8EXP;MountingKitEXPtoSOF-86882740 SA611-1EXP;MountingKitEXPtoSOF-1
PULSAR 4 Explosion-Proof Infrared Thermometer
1725 II2G,EXdIIB+H2T4GbFM14ATEX0004XIECExFME14.0001XClassI,Div.1,GroupsB,C&D,T4Ta=-40°Cto60°CIP65
ModelCOP-10CleanOutRodforClearingSight-Port
ModelSOF-8Swing-OutFixtureforSight-PortAccess
ModelBUP-10ThermocoupleandAdapterforStart-UpandVerification