e2t infrared temperature measurement systems … · e2t infrared temperature measurement systems...

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.

info@lumasenseinc.com©2014 LumaSense Technologies. All rights reserved.

Pulsar4_Datasheet-EN - NH Rev 10/23/14

North AmericaSales & ServiceSanta Clara, CATel: +1 800 631 0176Fax: +1 408 727 1677

LumaSense Technologies Benelux B.V. (Other Than North America)E2T Products Sales & ServicePavana 2, 4711 VG Sint Willebrord, NetherlandsTel: +31 165 381 800 Fax: +31 165 389 012

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