Omega Engineering 873C User manual

r\:OMEGA
^^^^HFiyniiyFFDii\iGiiur
EIMGIIMEERIIMCIIMC.
In0>lf."f»t lirwupCompany
MODEL873
HandHeldDigital
Thermometer
Operator'sManual

WARRANTY
OI\^EGAwarrantsthisunittobefreeofdefectsinmaterialsandworkmanship
and to givesatisfactoryservicefor a periodof one(1) year from dateofpurchase.
Iftheunitsfiouldmalfunction,itmustbereturnedtottiefactoryforevaluation.
OurCustomerServiceDepartmentwillissue an AuthorizedReturn(AR)number
immediatelyuponphoneorwrittenrequest.UponexaminationbyOMEGA,it
theunitisfound tobedefectiveitwillberepairedorreplacedatnocharge.
However,thisWARRANTYisVOIDiftheunitshowsevidenceofhavingbeen
tamperedwithorshowsevidenceofbeingdamagedasa resultofexcessive
current,heat,moisture,vibration,ormisuse,(Componentswhichwearorwhich
aredamagedbymisusearenot warranted. Theseincludecontact points, fuses,
andtriacs.
THEREARE NO WARRANTIESEXCEPTASSTATED HEREIN. THEREARENO
OTHERWARRANTIES,EXPRESSEDORIMPLIED,INCLUDINGBUTNOT
LIMITEDTOTHEIMPLIEDWARRANTIESOFMERCHANTABILITYANDOF
FITNESSFORA PARTICUUR PURPOSE.INNOEVENTSHALLOMEGA
ENGINEERING,INC.BELIABLEFORCONSEQUENTIAL,INCIDENTALOR
SPECIAL DAMAGES. THEBUYER'S SOLE REMEDY FOR ANY BREACHOFTHIS
AGREEMENTBYOMEGAENGINEERING,INC.ORANYBREACHOFANY
WARRANTYBYOMEGAENGINEERING,INC.SHALLNOTEXCEEDTHE
PURCHASE PRICEPAIDBYTHE PURCHASER TOOMEGA ENGINEERING, INC.
FORTHEUNITORUNITSOREOUIPMENTDIRECTLYAFFECTEDBYSUCH
BREACH.
ReturnRequests/Inquiries
Directallwarrantyandrepairrequests/inquiriestoOMEGACustomerService
Department,telephonenumber [phone]. Beforereturninganyinstrument,please
contacttheOMEGACustomerServiceDepartmenttoobtainanauthorizedreturn(AR)
numtier.ThedesignatedARnumber should thenbemarked on theoutsideof the return
package.
Toavoidprocessingdelays,alsopleasebesuretoInclude:
1. Returnee'sname,address,andphonenumber.
2. ModelandSerialnumbers.
3.Repairinstructions.
i^OMEGA
A..^H ENGiniEERING, IIMC
OneOmegaDrive,Box4047
Stamford, Connecticut06907-(X)47
[phone]Telex:996404Cable:OMEGA
FAX:[phone]
OMEGA'-'isa registeredtrademarkofOMEGAENGINEERING,INC.
-,Copyright1984OMEGAENGINEERING,INC.Altrightsreservedincluding
illustrations.Nothinginthismanualmaybereproducedinanymanner,eitherwholly
orinpartforanypurposewhatsoeverwithoutwrittenpermissionfrom
OMEGAENGINEERING,INC.
Printedin U.S.A. M230/025

TABLEOFCONTENTS
GENERALINFORMATION1
UnpackingandInspection1
OptionalAccessories2
PreparationforUse3
SafetySymbols and Terms4
EnvironmentalConditions4
OPERATION5
SafetyPrecautions6
SERVICINGINFORMATION9
FunctionalityCheck9
PerformanceVerification9
EnvironmentalConditions10
DisassemblyInstructions10
BatteryInstallation/Replacement12
Calibration13
ProbeMatching15
Troubleshooting...:15
SpecialHandlingofStaticSensitiveDevices18
ComponentLayout21
SchematicDiagram23

GENERALINFORMATION
TheOI^EGA®IVIodels873Cand873FareHandHeldDigitalThermo-
meters.Bothinstrumentshavelargeeasytoreadliquidcrystaldisplays
(LCD). Theinputconnectionconsistsof a subminiature,type K thermo-
couple,femaleconnector(SMP-K-F).Thisinputaccommodatesany
OMEGAtype K thermocoupleprobefittedwithanSMP-K-Mconnec-
tor.Coldjunctionelectroniccircuitry in the873F/873Cautomatically
compensatesforambienttemperaturechanges.Theseinstruments
alsoprovidepiece-wiselinearizationconformityforthermocouplenon-
linearity.Theinstrumentsarepoweredbya 9Vbattery.Continuous
operationof350hoursistypicalwithanalkalinebatteryor200hours
typicalwithacarbon-zincbattery.
TheModel873Cmeasurestemperaturefrom- 55°Cto1000°Con
tworanges.The200°Crangemeasurestemperaturefrom-55.0°Cto
199.9°Cwitha resolutionof0.1°C.The1000°Crangemeasures
temperaturefrom-55°Cto1000°Cwitha resolutionof1°C.Theac-
curacyis± (0.25%rdg -i- 1.0°C) from-40°Cto1000°Cand± (0.25%
ofrdg-l-2°C)for-40°Cto-55°C.
TheModel873Fmeasurestemperaturefrom- 60°Fto200°F on two
ranges.The200°Frangemeasurestemperaturefrom-60.0°Fto
199.9°Fwitha resolutionof0.1°F.The2000°Frangemeasures
temperaturefrom-60°Fto1999°Fwitha resolutionof1°F.Theac-
curacyoftheModel873°Fis±(0.25%ofrdg-i-2.0°F).
UNPACKINGANDINSPECTION
RemovethePackingListandverifythatallequipmenthasbeen
received. Ifthereareanyquestionsabouttheshipment,pleasecall
OMEGACustomerServiceDepartmentat(203)359-1660.
Uponreceiptofshipment,inspectthecontainerandequipmentfor
anysignsofdamage.Takeparticularnoteofanyevidenceofrough
handlingintransit.Immediatelyreportanydamagetotheshipping
agent.
NOTE
Thecarrierwillnothonoranyclaimsunlessallshipping
materialissavedfortheir examination. Afterexaminingand
removingcontents,savepackingmaterialandcartoninthe
eventreshipmentisnecessary.

OPTIONALACCESSORIES
Thefollowingoptionalaccessoriescan be usedwiththeModels873C
and873Ftoenhancetheperformanceoftheinstrument.These
accessoriesareavailable:
PartNumber
KS871
SC800
880A2
MN1604
SMP-K-M
SMP-K-F
OT-201-1
Description
TiltStand/BeltClip/ProbeHolder;can
beusedasatiltstandorclippedto
yourbelt.Itwillholdonecompact
probe.
SoftCarryingCase
DeluxeCarryingCase
9VReplacementBattery
SubminiatureThermocoupleConnec-
tor,Male
SubminiatureThermocoupleConnec-
tor,Female
1ozjarofHighThermalConductivity
Pasteforfastsurfacemeasurements.
PREPARATIONFORUSE
TheModels873Fand873Caresuppliedreadyforusewithbattery
installed. ConnecttheappropriateprobetotheminiatureTCconnec-
torlocatedonthetopoftheinstrument(justabovethedisplay).
SAFETYSYMBOLSANDTERMS
Thesymbol/!\ontheinstrumentdenotesthattheusershouldrefer
totheopjeratinginstructions.
TheWARNINGusedinthismanualexplainsdangersthatcouldresult
inpersonalinjuryordeath.
TheCAUTIONusedinthismanualexplainshazardsthatcould
damagetheinstrument.

ENVIRONMENTALCONDITIONS
OperationoftheModels873Cand873Fshouldtakeplaceat an am-
bienttemperatureof-10°Cto50°C(14°Fto122°F),lessthan80%
relativehumidityupto35°C,lineariyderate3% R.H./C from35°Cto
60°C.
OPERATION
The873Cand873FHandHeldDigitalThermometersareeasytouse
Thereisonlyonecontrol(locatedonthesideoftheinstrument)that
turnstheinstrumenton/offandselectstherange.(SeeFigures 1 and
2). Usethefollowingproceduretooperatetheinstrument:
1. Turnonthepowertotheinstrumentbyselectingthedesiredrange.
Model873C:
A.200°CrangeisthecenterpositionoftheON/OFFrangeswitch.
B.1000°CrangeistheupperpositionoftheON/OFFrangeswitch.
Model873F:
A.200°FrangeisthecenterpositionoftheON/OFFrangeswitch.
B.2000°FrangeistheupperpositionoftheON/OFFrangeswitch.
2. Selecttheappropriatetemperatureprobeandinsertitintotheinput
jack.
3.Makethemeasurement:
A.Touchtheprobetiptothematerialtobemeasured.
B.Readthedisplay.ThereadingisinCelsiusfortheModel873C.
ThereadingisinFahrenheitfortheModel873F.
NOTE
Anopensensororoverrangeconditionisindicatedby:
CAUTION
Donotattempttomeasuretemperaturesbeyond
therangeoftheprobebeingused.Probedamage
mayoccur.

WARNING
AshockhazardexistsontheModels8730and873F
Inputjackswhenprobes or sensorsareexposed to
voltagelevelsgreaterthan42Vpeaktoearthground.
SAFETYPRECAUTIONS
1. Donottouchtheprobetipwhenmeasuringexcessivelyhighorlow
temperature.
2. Donotexceed42Vpeakfromtheprobetiporinputjacktoearth
ground.
MiniatureTCConnector
LowBatteryIndicator
MinusSignDisplayed •
PlusSignImplied
3V4DigitDisplay—
On/OffRangeSwitch
OMEGA873CTHERMOMETER
LO BAT
-loao
200
TYPE K THEHMOCOUPLE
NiCr-N<AI
RANOE: -IB'C to lOOO'C
^42VMAX -^
Figure1.Model873CControlLayout
4

MiniatureTCConnector
LowBatteryIndicator^
MinusSignDisplayed-
PlusSignImplied
VADigitDisplay-
On/OffRangeSwitch
OMEGA873FTHEHMOMETER
^
rDMI
-\QO.U
^=
TYPE K THEIIMOCOUPI.E
NiCr-NiAl
RANOE. -tO'E to 2000*F
A42VMAX +
Figure2.Model873FControlLayout

SERVICINGINFORMATION
ThissectioncontainsinformationneededtomaintaintheModels
873Cand873RThefollowinginformationisincluded:functional
check,performanceverification,disassemblyinstructions,batteryin-
stallation/replacement,calibration,probematching,troubleshooting,
partslist,schematicdiagramandcomponentlayout.
WARNING
Theinformationpresentedinthissectionisin-
tendedforusebyqualifiedpersonnelonly.Turnoff
thepowerandremoveallprobesfromtheinstru-
mentbeforereplacingthebattery.
FUNCTIONALITYCHECK
Atroomtemperatureholdthetipofa probesensorbetweenyour
thumbandindexfinger.A readingbetween25°Cand40°C(77°Fand
104°F)shouldbeobservedtoconfirmfunctionalityoftheinstrument.
PERFORMANCEVERIFICATION
AccuracyCheck
1. Preparea distilledwatericebathoruseanOMEGA*TRCIIIIce
PointReferenceChamber.
2. Connecta TCprobetotheinputjackoftheinstrument.
3.ImmersetheTCprobeintotheTRCIIIordistilledwatericebath
andallow10minutesforthermalstabilization,
4. TurnontheinstrumentanduseTable 1 toverifythatthereadings
oneachrangearewithinspecifications.
Table1.PerformanceVerification
Range
200
1000
2000
873°C
0.0± 1°C
0± 1°C
873°F
32,0± 2°F
32± 2°F

ENVIRONMENTALCONDITIONS
TheModels873Cand873Fshouldbeatanambienttemperatureof
23°C±1°Canda relativehumidityoflessthan80%.
DISASSEMBLYINSTRUCTIONS
WARNING
Turnofftheinstrumentanddisconnectthe
temperatureprobebeforeremovingthebottom
cover.
NOTE
Whendisassemblingtheinstrument,handlethePC
boardbytheedges.Body oil, dirt,etccandegradecircuit
performance.KeepthePCboardcleanandfreeof con-
taminants.
1. Placetheunitfacedownona benchorothersimilarsurfaceand
removethescrewsfromthebottomcover.
2. Separatethebottomcoverfromtherestoftheinstrumentby
graspingthetopofthecase(justabovethedisplay)andcarefully
liftingitawayfromthedisplay.
3.Removethebattery.
4. Removethestandoff(ST-166-1)thatsecuresthePCboardtothe
case. ThestandoffislocatedinthecenterofthePCboard.
5.Removetheswitchcap.
6.LiftthePCboardoutofthetopcover(frontpanel)
7.Removetheshield.
8.TheLCDisheldinplaceonthePCboardbya shockresistant
mountingandisassembledasshowninFigure3.
9.Toreassembletheunit,reversetheaboveprocedure.
CAUTION
Whenremovingthe LCD fromthePCboardbecareful
nottospreadthefourretaininghooks on theclearplastic
bezelouttoofar.Theplasticbezelhooksmayfracture.

WARNING
Whenreassemblingtheinstrument,besureto
reinstalltheswitchcover.Commonmodevoltage
maybepresentontheswitchcreatinga possible
hazardifthecoverIsnotinstalled.
fUaK 7/VRLUSTtn
aHEQUIRED)
BOTTOMCOVER
Figure3.Model873ExplodedView

BATTERYINSTALLATION/REPLACEMENT
Toinstallorreplacethebattery:
1. Removethebottomcoveroftheinstrument(refertothe
disassemblyinstructions).
WARNING
Turntheinstrumentoffanddisconnecttheinput
probebeforeremovingthebottomcover.Reinstall
thecoverbeforeresumingusaoftheinstrument.
2. Removetheoldbattery.
3.Placethenewbatteryinthebatterycompartment.Besureto
observetheproperpolarity.RefertoFigure4.
4. Reinstallthebottomcoverbeforeresuminguseoftheinstrument.
BArrenv TERMINALS
Rgure4.BatteryInstallation

CALIBRATION
RequiredTestEquipment
1. DCvoltagecalibratorwrth ±0.01% ofsetting±20/iVaccuracy
2. 100: 1 divider-1.98kand20nwirewoundresistors,0.02%ratio
accuracyorbetter.
3.OMEGATRCIIIIcePointReferenceChamberordistilledwaterice
bath.
4. OMEGAtypeK TRPReferenceProbeormakea thermocouple
Transitionjunction(seeCalibrationSet-Up).
CalibrationSet-Up
1. Tomake a thermocoupletransition junction, silversolder a piece
ofcopperwiretoeach(type K) thermocouplewireandinsulatethe
junctionwithawaterproofjacket.
2. Connectthethermocouplewiresfromthetype K transitionjunc-
tiontoanOMEGAMiniatureThermocoupleConnectorSMP-K-M.
3.Turnonthevoltagecalibrator.
4. Plugintheminiatureconnector(seesteps 1 and2)intothe873
input.
5.Connectthecopperwirestothe100:1dividerasshowninFigure
5.Connectthecopper/chromelwiretothepositivesida
6.Connectthe100:1dividertotheDCvoltagecalibratorasshown.
7.UseanOMEGATRCIIIorpreparethedistilledwatericebathas
follows:
A.Drilla holeinthecapofa DewarflaskorThermos™to
accommodatethethermocouple,
B.Firmlypacktheflaskwithpea-sizeicecubesmadefrom
distilledwaterandthenfilltheflaskwithdistilledwater.
10

C.Replacethemeltedicewithmoreicewhileremovingtheexcess
water.
D.Placethecapontheflask.Immersethethermocouplesintothe
flaskandallow20minutesfortemperaturestabilization.
DCCALIBRATOR
100:1VOLTAGEDIVIDER
ICEBATH 873
*The 20(1 resistormustbeata uniformtemperatureduringcalibration.
Figure5.Set-UpProcedure
CalibrationProcedure
1. Removethebottomcoverasdescribedinthedisassemblyinstruc-
tions.
WARNING
Topreventa shockhazard,turntheinstrumentoff
andremovetheInputprobefromtheinstrument
beforeremovingthebottomcover.
2. TurnontheModel873andperformthecalibrationadjustments
listedinTable2 (873C)orTable3 (873F).Foraccesstocalibra-
tionadjustmentsrefertoFigure4.
11

Table2.Modal8730CalibrationAdjustments
Step
1
2
3
4
Adjustment
Zero
-i-Gain(xl)
+Gain(x10)
-Gain
Range
200°C
1000°C
200°C
200°C
Calibrator
Setting
0.00000
+41.269mV
-H7.139mV
-1.527mV
Trimmer
Adjust
R112
R115
R104
R105
Desired
Reading
00.0°C
1000°C
175.0°C
-40.0°C
Table3.Model873FCalibrationAdjustment
Step
1
2
3
4
Adjustment
Zero
-i-Gain(xl)
+Gain(x10)
-Gain
Range
200°F
2000°F
200°F
200°F
Calibrator
Setting
-0.692mV
-i-44.645mV
3.589mV
-1.929mV
Trimmer
Adjust
R112
R115
R104
R105
Desired
Reading
00.0°F
1990°F
190.0°F
-60.0°F
PROBEMATCHING
ToimprovetheaccuracyoftheModel873whileusinga particular
proJTe,calibrationcanbeadjustedsothatprobeerrorsintheregion
ofzero(0.0°Cor32°F)arecompensated.Placetheprobeinanice
bathandallowthereadingtostabilize.Thenresetthezeroadjustment
(R112)toa 0.0°C or32°Freading.
TROUBLESHOOTING
Thefollowingtroubleshootinginformationisintendedtobeusedby
qualifiedelectronicmaintenancepersonnelwhoarefamiliarwiththe
properuseofstandardelectronictestequipment.
TogainaccesstothePCboard,refertothedisassemblyinstructions.
Usethepartslist,schematicdiagramandcomponentlayoutto iden-
tifypartsandcheckpointlocations.
13

DCVoltageChecks
1. Battery: VBAT>7.5V
2. -HV to(AnalogGround)= -1-2.9±0.3V
3.-fVto(DigitalGround)= +5V±1V
4. ReferenceDiode
CR101(Anode)to(AnalogGround)= -1.23V±0.03V.
5.Negativereferencedivider(R114)referencedtoanalogground.*
Pin12
Pin10
Pin11
Pin7
Pin9
Pin8
Pin6
Pin4
Pin5
Pin3
Pin2
873C
=-1.23V
=-0.209V
=-0.209V
=-0.206V
=-0.204V
=-0.204V
=-0.201V
=-0.200V
=-0.197V
=-0.195V
=-0.193V
Pin12
Pin11
Pin10
Pin9
Pin8
Pin7
Pin6
Pin5
Pin4
Pin3
Pin2
873F
=-1.23V
=-0.209V
=-0.208V
=-0.205V
=-0.204V
=-0.203V
=-0.198V
=-0.197V
=-0.196V
=-0.191V
=-0.188V
*ThesettingofRl 15 andthetolerancesoftheresistorswithinthenet-
work(R114)canaffecttheselevelsby±5%.
6.ColdJunctionVoltage
(AmbientTemperature= 25°C±3°C)
AcrossR102AapproximatelyequaltoImV.
7.WaveformChecks(seeFigure6)
U104pin40(OSC1)
U104pin39(OSC2)
U104pin38(OSC3)
U104pin21(Backplane)
13

U104PIN40(OSC1)
U104PIN39(OSC2)
H
25|isec
-^'
K\/
U104PIN38
K
=25/(sec
5V
U104PIN21
M
=20msec
BV
Figure6.WaveformChecks
14

SPECIALHANDLINGOFSTATICSENSITIVEDEVICES
CMOSdevicesaredesignedtofunctionathighimpedancelevels.
Normalstaticchargecandestroythesedevices.Table4 listsallthe
staticsensitivedevicesfortheModels873Cand873F.Steps1
through7 provideinstructionsonhowtoavoiddamagingthese
devices.
Table4.StaticSensitiveDevices
Schematic
Designation
U104
U105
U107
U108
U109
1. Devicesshouldbehandledandtransportedinprotective con-
tainers,antistatictubesorconductivefoam.
2. Usea properiygroundedworkbenchanda groundingwriststrap.
3.Handledevicesbythebodyonly.
4. Printedcircuitboardsmustbegroundedtobenchwhileinserting
devices.
5.Useantistaticsolderremovers.
6.Usegroundedtipsolderingirons.
7.Afterdevicesaresolderedorinsertedintosocketstheyarepro-
tectedandnormalhandlingcanresume.
15

SPECIFICATIONS
MODEL873FSPECIFICATIONS
TEMPERATURESENSOR:TypeKINICr-NiAl)Thermocouple,
TEMPERATUREACCURACY*
RANGESPANRESOLUTIONIBStoSyP;2 years)
200°F-60.0°to199.9°0.1°±(0,25%rdg-f-2.0°F)
2000°F-60°to1999°1^± (0.25%rdg-t-2°F)
•IncludesNBSconfofmity, coW junctioncompensation,temperaturecoefficient 165° to
82<'FIand repeatability errors. Excludes therrtiocouple errors; howeverthermocouple er-
rorsaround32°Fmaybecompensatedforbyanintemalzeroadjustment,
REPEATABILITY: 0.3°F typicalfor1 weekatconstantambient
temperature.
TEMPERATURECOEFFICIENT:65°to82°F;includedinaccuracy
specification.From14°to65°and82°to122°F:lessthan±(0,025%
ofrdg-(-0.2°F)/°F,
INPUTCURRENT:25nAtypical,50nAmaximum.
MODEL8730SPECIFICATIONS
TEMPERATURESENSOR:Type K (Ni&NiAl)Thermocouple,
TEMPERATUREACCURACY*
RANGESPANRESOLUTION(18to28°C:2 yeara)
200°C-40.0°to199.9°0.1°± (0.25%rdg-t- 1.0°C)
-55.0°to-40.0°0.1°±(0.25%rdg-t-2.0°C)
1000°C-40°to1000°1°±(0.25%rdg-I-1°C)
-55°to-40°If± (0.25%rdg+ 2°C)
"IncludesNBSconformity,coldjunctioncompensation,temperaturecoefficient
(18°to28°C)andrepeatabilityerrors.Excludesthermocoupleerrors;howevertfier-
mocoupleerrorsaround0°Cmaybecompensatedforby an intemalzeroadjustment,
REPEATABILrrV: 0.2°C typicalfor1 weekatconstantambient
temperature.
TEMPERATURECOEFFICIENT:18°to28°C;includedinaccuracy
specification.From-10°to18°and28°to50°C:lessthan±(0.025%
ofrdg-(-0.1°C)/°C.
INPUTCURRENT:25nAtypical,50nAmaximum.
Specificationssubjecttochangewithoutnotice.
16

MODEL873Fand873CGENERALSPECIFICATIONS
(unlessspecified):
DISPLAY:314digitLCD,13mnfi(0.5")height.Polarityanddecimalpoint
indication.
CONVERSIONRATE:2.5readingspersecond.
OVERRANGEANDOPENSENSORINDICATION:3 leastsignificant
digitsblanked,
MAXIMUMCOMMONMODEVOLTAGE:42Vpeaktoearth.
NORMALMODEREJECTIONRATIO:Greaterthan40dBat50& 60Hz.
COMMONMODEREJECTIONRATIO:Greaterthan120dBatDC,50&
60Hz,
ENVIRONMENTALLIMITSFOROPERATING(Model873F):14°to
122°F, lessthan80%relativehumidityupto95°F;lineariyderate1.5%
R.H./°F from95°to122°F.
ENVIRONMENTALLIMITSFOROPERATING(Model873C):-10°to
50°C, lessthan80%relativehumidityupto35°C;lineariyderate3%
R,H./°C from35°to50°C.
ENVIRONMENTALLIMITSFORSTORAGE(Model873F):-30°to
140°F, lessthan90%relativehumidityupto95°F;linearlyderate1.5%
R,H,/°F from95°to140°F,
ENVIRONMENTALLIMITSFORSTORAGE(Model873C):-35°to
60°C, lessthan90%relativehumidityupto35°C,linearlyderate3%
R.H./°C from35°to60°C.
THERMOCOUPLELINEARIZATION:MultislopeA/Dwith11piecewise
linearsegments.
THERMOCOUPLEINPUT:MiniatureTCconnector.
POWER:9Valkalineorcarbon-zinc(NEDA1604)battery.
BATTERYLIFE,CONTINUOUS:350hourstypicalwithalkaline;200
hourstypicalwrthcarbon-zinc.
BATTERYINDICATOR:Displayindicates"LOBAT"whenlessthan10%
ofliferemains.
DIMENSIONS:160mmlongx 69mmvindex 31mmthick(6,3"x
2.7" X 1.2"). Netweight210gm(7.5oz.),
CONSTRUCTION:HeavydutyABSplastichousing.
ACCESSORIESSUPPLIED:Battery,InstructionManualandModel
TC-GG-K-24-36-SMP-f\/lThermocoupleSensor
17