N9005 and N9094OPERATOR MANUAL

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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

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Website: www.comarkinstruments.com

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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