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N9005 and N9094OPERATOR MANUAL
1
CONTENTSPAGE
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Calibration,CertificationandService . . . . . . . . . . . . . . . . . . . . . . 41. IntroductiontotheN9005andN9094 . . . . . . . . . . . . . . . . . . . . . 52. N9005andN9094ThermometerswithBioCote®Protection . . . . 53. OverviewofDisplaySymbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64. ConnectingProbestotheThermometer . . . . . . . . . . . . . . . . . . . . 65. SwitchingOnandOff . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76. DataHold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77. CountdownTimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78. AutoSwitchOff/PowerSavingMode . . . . . . . . . . . . . . . . . . . . . . 79. SetUpMenu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 9.1Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 9.2CountdownTimer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 9.3Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 9.4Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 9.5HiAlarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 9.6LoAlarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 9.7AutoPowerOff . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 9.8ClockAlarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 9.9Resolution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 910.BeforeUsingYourThermometer . . . . . . . . . . . . . . . . . . . . . . . . . 1011. TakingTemperatureMeasurement . . . . . . . . . . . . . . . . . . . . . . . . 1112.ProbeSelection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1113.CareoftheThermometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1414.SealedforLifeBattery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
15. SPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
FIGURES 1—PX22LPenetrationProbe . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2—AK28MFastAirProbe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 3—ST23LBetweenPackProbe . . . . . . . . . . . . . . . . . . . . . . . . 12 4—SK21MSurfaceProbe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5—IT21LDeepFatProbe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 6—ST38LHeavyDutyPalletProbe . . . . . . . . . . . . . . . . . . . . . . 13 7—DX31LFoodSimulantProbe . . . . . . . . . . . . . . . . . . . . . . . . 13
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3
GENERAL INFORMATION
Itisrecommendedthatyoureadthesafetyandoperationinstructionsbeforeusingthisinstrument.
WARNINGTOAVOIDELECTRICSHOCKDONOTALLOWANYPROBEORSENSORTOCOMEINTOCONTACTWITHLIVEELECTRICALPOWERCONDUCTORSWITHVOLTAGESINEXCESSOF30VACRMSOR60VDC.
TOAVOIDDAMAGEORBURNS,DONOTMAKETEMPERATUREMEASUREMENTSINMICRO-WAVEOVENS.
CAUTIONTemperature Measurement ProbesThisprecisioninstrumenthasbeendesignedforusewiththeextensiverangeofComarktemperatureprobes.Theuseofotherprobesmayimpairtheperformanceandaccuracyoftheinstrument.FulldetailsofComarkprobesandsensorscanbeobtainedfromComarkCustomerSupportdepartmentoryourlocaldistributor.
ThisinstrumentismanufacturedinaccordancewiththeCompany’sISO9000:2000QualityApprovedSystem.
ThisinstrumentcomplieswiththeElectromagneticCompatibilityDirectiveEN61326-1.
DeclarationsofConformityavailable.ContactComarkCustomerSupportoryourlocalDistributor.
Inlinewithitspolicyofcontinuousdevelopment,ComarkInstrumentsreservestherighttoaltertheinstrumentspecificationwithoutpriornotice.FurtherinformationisavailablefromComarkInstrumentsoryourdistributor.
ISO 9001FM 29700
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CALIBRATION, CERTIFICATION AND SERVICE
CertificationComarkcanprovidecertificatesofcalibrationforitswholeproductrange,tosuitISO9000andotherqualityassuranceprocedures,foodhygieneregulations,HACCPsandenvironmentalregulations.ComarkcertificatesareproducedbyindependentqualitycontrolledprocesseswhichcompareproductperformanceagainstagreedNationalStandards.ForpeaceofmindandbestpracticeComarkrecommendannualcertification/recalibration.
Twolevelsofcertificationareavailableforinfra-redtemperatureandnontempera-tureinstruments,excludinghumidity:-UKAScertificatesviaanexternalaccreditedlaboratoryandNPLtraceablecertificatesfromtheComarkcalibrationlaboratory.
Threelevelsofcertificationareavailableforcontacttemperatureproductsandthesearedetailedhere:
a) UKAS Temperature CertificationTheComarkUKAS(UnitedKingdomAccreditationService)accreditedtemperaturecalibrationlaboratoryisoneofthefinestintheUK.ComarkUKAScertificatescanofferthelowestuncertaintyof0.01°Candprovideindependentproofofcorrectcalibrationusingequipmentandproce-duresauditedbyUKASinspectors.TheequipmentusedisfullytraceabletotheNationalPhysicalLaboratory.
b) UKAS Humidity CertificationInadditiontotheComarktemperaturelaboratory,thehumiditylaboratorycontinuesthetraditionofhighaccuracycertificationandawiderange(25%to90%RH)withuncertaintiesof2.8%ofreading.ThisrangealsoincludesDewpointmeasurements.
c) NPL Traceable CertificationComarkNPLcertificatesaretraceabletotheNationalPhysicalLabora-toryandcanofferuncertaintyaslowas0.3°C.
ConformanceCertificatesofconformancecanbesuppliedfornew,servicedandrecalibratedinstruments.Theseconfirmthatinstrumentsarewithintheiroriginalmanufacturedspecification.
Service/RepairsRegularservicingandanyrequiredrepairs,underwarrantyorafter,areavailablefromtheComarkServiceDepartment.
FormoreinformationonallComarkcertification,calibrationandservicefacilitiespleasecallComarkCustomerSupportorcontactyourlocaldistributor.
No. 0451
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1. INTRODUCTION TO THE N9005 AND N9094
TheN9005andN9094handheldthermometersrepresentaleapforwardinspecificationandperformanceandhaveanumberofnewfeatures.
BothinstrumentshavetheexistingComarkpremiumcaseforultimatestrengthanddurability.Thisoffersthehighestlevelofstrength,durabilityandprotectionagainstdustandwateringress.TheinstrumentsarecertifiedtomeetIP68.Featuresincludeaclock,countdowntimer,timeralarms,highandlowtemperaturealarms,selectablesensortype,variableauto-offanddatahold.
2. N9005 AND N9094 THERMOMETERS WITH BIOCOTE® PROTECTION
BioCote®isasilverbasedanti-microbialagentthatisimpregnatedintotheinstrumentcaseduringmoulding.BioCote®effectivelyinhibitsthefunction,growthandreproductionofawiderangeofmicro-organismsanditsprotectionisincreasinglyacceptedaspartofHACCP,duediligenceandhealthandsafetyprocedurestoreducecrosscontamination.BioCote®protectionlastsforthelifeoftheinstrument,becausetheagentispresentthroughoutthecaseplasticandcannotrubofforbewashedorleachedout.
Biocote®activeingredientsareregisteredwiththeUSEnvironmentalProtectionAgency(EPA).
AlthoughBioCote®inhibitsthegrowthofmicro-organismsontheinstrumentcase,itdoesnotprotectindividualsagainstsuchharmfulorganismsorremovetheneedtomaintainthehigheststandardsofpersonalandproducthygieneandcleanliness.
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3. OVERVIEW OF DISPLAY SYMBOLS
A–IndicatesthatHOLDhasbeenselected.B–SettingmenuitemtoON/OFFC–IndicatesLowBattery.D–TheSetUpmenuisactive.E–Indicatesprobetype.F–MainDisplayforTemperatureG–ClockIndicator.H–Displayfortimeandcountdowntimer.I–Indicatescountdownactive.J–Alarmindication
4. CONNECTING PROBES TO THE THERMOMETERS
TheN9094thermometerhasaLumbergsocketforprobeconnectionandofferaclassleadingchoicebetweenComarkthermistor,typeTthermocoupleortypeKthermocoupleprobes.
TheN9094thermometerwillautomaticallydetectthesensortypeoftheprobeconnected.TheLCDwillthenindicatethermistorprobesas“PST”,andtypeTorKthermocoupleprobesas“T”or“K”.
TheN9005thermometerhasasub-miniatureconnectorforprobeconectionandoffersthechoicebetweentypeTandtypeKthermocoupleprobes.
Note:TypeTorKmustbeselectedinthesetupmenu,seeSection9.
A B C D E
F
G H I
J
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5. SWITCHING ON AND OFF
Display Test/Mode
The‘ON/OFF’buttononthekeypadisusedtoswitchonthethermometer.Afterashortpausethedisplaywillshowthecurrentmodeloftheinstrumentandwillthenreverttonormaltemperaturedisplay.ThecurrenttimeisalsopermanentlydisplayedontheLCD.
6. DATA HOLD
TheN9005andN9094thermometershaveadataholdfacility.Ifthe‘II’buttonispressedatanytimeduringnormaltemperaturemode,thecurrenttemperaturewillbeheldonthedisplay.Toreleasepress‘II’.
7. COUNTDOWN TIMER
TheN9005andN9094thermometershaveacountdowntimer.ThisfunctionisactivatedfromtheSetUpMenu–seesectionbelow,andcanbecalibratedinseconds/minutesorhours.Pressingthecountdowntimerbuttonwillstartthisfunction.Pressingthebuttonagainduringthecountdownperiodwillstopthecount.Theinstrumentwillbeepfor30secondsattheendofacountdownperiodtoindicatetotheuserthatithasbeencompleted.
8. AUTO SWITCH OFF/POWER SAVING MODE
TheN9005andN9094thermometershaveaselectableauto-switchofffeature.Thisissetto3minutesfromthefactory.PleaserefertoSetUpMenuforinstructionsonchangingthissetting.
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9. SET UP MENU
TheN9005andN9094thermometershaveahiddenmenustructurethatisusedtosetupanumberofparameterswithintheinstrument.
TheSetUpMenucanbeenteredwhentheinstrumentisswitchedon.
Iftheinstrumentisalreadyon,itmustbeturnedoff.
Pressthecountdownbuttonandkeepthishelddownwhilepressingtheonbuttontoswitchtheinstrumenton.Afterthethermometerhascompleteditsself-checks,itwillenterthemenu.
N.B.AftereachmenuitemusetheON/OFFbuttontosaveandmovetothenextmenuitem.
Clockselectionisthefirstiteminthemenu:
9.1 Clock – the display will show ‘CLOC’
Usethecountdowntimerbuttonandtheholdbuttontoadjusttheclocktimeupordown.Theclockitselfisa12hourclockwithsettingforAMorPM.Movingthrough12noonwillchangetheclockfromAMtoPMandsoon.
9.2 Countdown Timer – the display will show ‘Cd’
Usethecountdowntimerbuttonandtheholdbuttontoselecttimeronoroff.Usetheholdandcountdowntimerbuttonstoscrollupanddowninsecondsupto5minutesthenin1minuteintervalsupto24hours.
9.3 Scale – the display will show ‘SCAL’
AfterenteringtheSCALEmenu,usethecountdowntimerbuttonandtheholdbuttontoscrollbetweentheavailablescales.
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9.4 Type – the display will show ‘tYPE’
UseeitherthecountdowntimerbuttonortheholdbuttontoscrollbetweenthermistorsensorspluseithertypeTorKthermocouples.ThedefaultisthermistorandtypeT,withthelatterforprobeswithbrownorblueleads.ThermistorandtypeKisavailableforprobeswitheitherredorgreenleads.
9.5 High Alarm – the display will show ‘HIAL’
Usethecountdownbuttonandtheholdbuttontoselecthighalarmonoroff.UsetheholdandcountdowntimerbuttonstoscrollupordownindegreesCorFtothelimitsofthechosenthermocoupletype.
9.5 Low Alarm – the display will show ‘LOAL’
Usethecountdownbuttonandtheholdbuttontoselectlowalarmonoroff.UsetheholdandcountdowntimerbuttonstoscrollupordownindegreesCorFtothelimitsofthechosenthermocoupletype.
9.7 Auto Power OFF – the display will show ‘AOFF’
Usethecountdowntimerbuttonandtheholdbuttontoscrollbetweentheavailableoptionsof3,10,30minutes.
9.8 Clock Alarms
Usethecountdownbuttonandtheholdbuttontoselectclockalarm1,onoroff.Useholdandcountdowntimerbuttonstosetthealarmtime-12hourclock.Repeatforalarms2and3.
9.9 Resolution
Usethecountdownandtheholdbuttontoselectordeselecttemperaturedisplayinhighresolution0.1°orlowresolution1°.
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10. BEFORE USING YOUR THERMOMETER
Beforeusingthethermometermakesureyouhavetherightprobeforthejob.Therearespecificprobesformeasuringproduct,air,‘betweenpack’,surfaceanddeepfattemperatures.Forpermanentinstallationthereisalsoachoiceof‘damped’sensorsandfoodsimulants.
TheN9094iscompatiblewiththermistorandtypeTandKthermocouplesensorstogiveultimatesystemaccuracyandfastestspeedofresponse.ItiscompatiblewithallexistingN9091/N9092probesandthermistortestcaps.Itselfconfigurestotheparticularsensortype.Allyouhavetodoischoosetherightprobeforthejob.
TheN9005iscompatiblewithallindustrystandardtypeTandtypeKprobeswithsub-miniatureconnectors.
BoththeN9005andtheN9094canbetestedusingaC9040thermocouplesimulator.(C9040KtypeKsub-miniature,C9040TMtypeTsub-miniatureandC9040TLtypeTLumberg).
Beforemeasuringproducttemperaturesmakesurethattheprobeisadequatelycleaned.Usebactericidalwipes(PW175T-Tubof175probewipesorPW70T-tubof70probewipes)orimmersetheshaftinasuitablefoodqualitysterilisingsolution.Remembertoreadtheinstructionscarefullyandallowthespecifiedtime.
Thermometersneedtobecheckedatregularintervalstoconfirmthattheiraccuracyiswithinspecification.Itisrecommendedthatthermometersareregularlychecked(everythreemonths).TheN9094canbecheckedbycomparingthemeasuredreadingwithacertifiedtestcap.
ComarktestcapsallowyoutocheckN9094instrumentaccuracyatspecificpointstoimproveyourconfidenceinthemeasurement.Thesecanbeusedonafrequentbasisifrequired.
N9005andN9094thermometersandtheirprobescanalsoberegularlycheckedusingmeltingice.Simplyuseabeakerfulloficecubes,addcoldwaterandstirforafewminutes.Insertthepenetrationprobeandstiritforafurthertwominutes.Thethermometershouldthenreadbetween–0.5°Cand+0.5°C.TheaccuracycanbecheckedagainstareferencethermometersuchastheKM20REF.Makesureyouusesufficienticecubesandstirlongenoughforthewatertocooldownproperly.
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Shouldyouwishtochecktheaccuracyofyourthermometeratothertemperaturesitismoredifficultwithoutsophisticatedequipment.
IfyouintendtouseyourthermometertocheckotherequipmentorprocessesaspartofaBS5750/ISO9000procedureortocheckcompliancewithothercodesofpractice,youmayrequireeitherUKASorNationalStandardscertification.Comarkcanoffercalibrationtobothstandards.PleasecontactourUKASaccreditedlaboratoryforfurtherdetails.
11. TAKING A TEMPERATURE MEASUREMENT
Positiontheprobeintheplaceyouwishtotakethemeasurementandrecordareadingwhenthetemperaturehasstabilised.
Note: Donotexposethermistorprobestotemperaturesoutsidetherange–80°Cto+150°Candavoidthermallyshockingprobesbyrapidheatingorcooling.
12. PROBE SELECTION
Penetration ProbesForproducttemperaturesusethestainlesssteel‘penetration’probe.Inserttheprobeatleast25mmintotheproductorpreferablytothecentreoftheproduct.Allowsufficienttimeforthereadingtostabilise.Typicallyyouwillneedtowait30secondsinaliquidandupto2minutesinadrypowder.Trysomeexperimentsyourself.
Note:Toavoidcrosscontaminationproperlycleanyourprobeaftereachmeasurement. Order: Thermistor - PX22L (White cap), PX23L (Red cap), PX24L (Green cap) or PX25L (Blue cap) Thermocouple - PK24M, PT22M
FIG.1 PX22L PENETRATION PROBE (MAX. TEMP. +150°C)
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Fast Air ProbeForairtemperaturesalwaysusethefastresponseairprobes.Trytoplacetheprobeinamovingairflow,orifyoucanwavetheprobearoundtospeeduptheresponse.(Stillairisaverygoodthermalinsulatorsoinaclosedrefrigeratoryoumayneedtowaitminutesforthereadingstofinallystabilise).Order: AK28M
FIG.2 AK28M FAST AIR PROBE (MAX. TEMP. +250°C)
Between Pack ProbeForfasttemperaturechecksofpackagedgoodswithoutdamagingthepack,thisflexibleprobeshouldbeplacedbetweentwosimilarpacks.Itcanbeshapedtoexactlyfittherequiredsurfaces. Order ST23L
FIG.3 ST23L BETWEEN PACK PROBE(MAX. TEMP. +70°C)
Surface ProbeFormeasuringthetemperatureofflatsurfaceslikechilleddisplaycasesorhotplates.Ensurethatthesurfaceiswipedcleanbeforeuse.Takeextracarewhenmeasuringhotsurfaces.Order: SK21M
FIG.4 SK21M SURFACE PROBE(MAX. TEMP. +250°C)
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Deep Fat ProbeFortemperaturemeasurementindeepfatfryers.Thisprobeismadefromaveryflexiblematerialthatcanbereshapedtimeandtimeagain.Cranktheshaftoftheprobesothatthefattemperaturecanbemeasuredwithoutyourhandneedingtobeabovethefatitself.Nevertakethemeasurementwithyourhanddirectlyabovethefat.Takeadequateprecautions.Remembertheprobewillbeveryhotonwithdrawalfromthefat.Order: IT21L
FIG.5 IT21L DEEP FAT PROBE(MAX. TEMP. +400°C)
Pallet ProbeThisprobeallowsthemeasurementofthetemperatureofcartonsonapallet.Bycarefullyslidingtheflattenedsurfacesoftheprobebetweenadjacentcartonstheirtemperaturecanbesampledwithouttheneedtounstackthepallet. Order: ST38L
FIG.6 ST38L HEAVY DUTY PALLET PROBE(MAX. TEMP. +250°C)
Food Simulant ProbeThesimulanthasbeendesignedtoreplicatethetemperaturecharacteristicsofthemosttemperaturesensitivepackagedfood.Leftpermanentlyinplaceitgivesultimateconfidencethatthemostrepresentativemethodofmonitoringisbeingused.Order: DX31L
FIG.7 DX31L FOOD SIMULANT PROBE(MAX. TEMP. +70°C)
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13. CARE OF THE THERMOMETER
WARNING
TheN9005andN9094thermometersaredustandwaterproofasstatedinthespecificationsandwillwithstandharshenvironments.Useadampclothorwarmsoapywatertoremovedepositsandpreventthemfromhardeningorbecomingsticky.Donotusesolvent-basedcleanersormethylatedspirits,etc.
Caution:Donotplaceanythermometerinadishwasher.
Never use the thermometer/probes:-
Tomeasurethetemperatureoflivepowerconductors
Tolift,leverorhammer
Inamicrowaveoven…thedoorwillnotcloseproperlyandthemicrowaveradiationcoulddamagethethermometerandoven
Inanormaloven…theplasticpartsmaymelt
Don’ttrytocleantheplasticcaseorprobehandlewithanyformofsolvent...itmayattacktheplasticorcauseittobecomebrittle.Itisjustaseffectivetouseadampclothandnormalkitchencleaner…regularly.
Don’tforgettoregularlycheckyourthermometer.Trytobuildcrosschecksintoyoureverydayoperationssothatpotentialproblemsareimmediatelyidentified.
Always:
Keepyourinstrumentandprobeclean.
Usethecorrectprobefortheparticularjob.
Removethebatteryifyouarestoringyourinstrumentforlongperiods.
Takecarewheninsertingthepenetrationprobeintohardsubstances.Thesharppointcaneasilypenetrateflesh.keeprecordsofthetemperaturesyouhavemeasured.Itmayprovideusefulevidenceifthereiseveraproblem.
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14. SEALED FOR LIFE BATTERY
TheN9005andN9094havealonglifeLithiumcellfittedinsidethesealedbatterycompartmentonthereverseoftheinstrument.Thisisdesignedtolastupto10yearsinnormalusage.HowevershouldthesymbolBATappearsonthedisplaywhenthebatteryvoltagehasreduced.Batteryreplacementisrecommendedatthistime.ThiscanonlybecarriedoutbyComarkorApprovedDistributorsopleasereturntheinstrumentasappropriateforbatteryreplacement.
Donotattempttochangethebatteryyourselfasthiswillresultindamagetotheinstrumentandalossofwaterproofrating.
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15. SPECIFICATION
SensorTypesThermistor(PST) TypeTThermocouple TypeKThermocouple MeasurementRange Thermistor–50°Cto+150°C,–58°Fto+302°FTypeT –200°Cto400°C,–328°Fto+752°FTypeK–200°Cto+1372°C,–328°Fto+2501°F
Scales °Cand°F DisplayedResolution >-100°<+1000°C 0.1° ≤-100°≥+1000°C 1°
SystemAccuracy(Thermistor)* *At+23°C/+73°F0°Cto+70°C,+32°Fto+158°F
Comark Instruments52 Hurricane Way,Norwich, Norfolk, NR6 6JB United KingdomTel: +44 844 815 6599Fax: +44 844 815 6598Email: [email protected]
Website: www.comarkinstruments.com
Comark InstrumentsPO Box 500, Beaverton, OR 97077 USATel: 503 643 5204Fax: 503 644 5859Email: sales@comarkusacom
Website: www.comarkusa.com
© Comark Instruments Stock No. 18128 Issue 7 (11/12)
18128-7fc N9094-N9005 Cover18128-7 N9094-N9005 Manual18128-7fc N9094-N9005 Cover