Extech Instruments TM500-NIST Manuale utente

USER GUIDE

12-Channel Thermocouple Datalogger

Model TM500

99 Washington Street

Melrose, MA 02176 Phone

781-665-1400 Toll Free

1-800-517-8431

Visit us at www.TestEquipmentDepot.com

2TM500-EU-EN v1.1 12/13

Introduction

CongratulationsonyourpurchaseoftheExtechTM500Thermometer,anSDLoggerSeriesmeter.

Thismeterdisplaysandstorestemperaturereadingsfromuptotwelve(12)TypeK,J,T,R,E,orS

thermocoupletemperatureprobes.LoggeddatareadingsarestoredonanSDcardfortransfertoa

PC.Inaddition,anRS232portallowsdatastreamingtoaPC.Thismeterisshippedfullytestedand

calibratedand,withproperuse,willprovideyearsofreliableservice.

MeterDescription

1. Thermocoupleinputs

2. DCpoweradapter,SDmemoryslot,andPCinterfacejack

3. PowerON‐OFFandBacklightkey

4. HOLDandNEXTkey

5. PowerON‐OFFandESCkey

6. RECandENTER

7. TYPE▲key(K,J,T,R,E,orS)

8. LOGGER(Offset)key

9. SET(TimeCheck)key

10. PAGE▼key(DisplayT1‐8orT9‐12)

LOG

TYPE PAGE

SET

ESC

HOLD

REC

ENTER

12-Channel Thermocouple Datalogger

TM500

VIEW SAMPLE

RATE

VIEW TIME

OFFSET

CH8

CH7

CH6

CH5

CH4

CH3

CH2

CH1

910

3TM500-EU-EN v1.1 12/13

DisplayDescription

1. TemperatureChannelnumber(1–8or9–12)

2. ThermocoupleTypeindicator(K,J,T,E,R,orS)

3. Temperaturereading

4. Unitsofmeasure(C/F)



GettingStarted

PowerON‐OFF

Powerthemeterbypressingthepowerbutton .

Pressandholdthepowerbuttonforatleast3secondstopowerOFFthemeter.

Thismeterispoweredbyeight(8)1.5VDC‘AA’batteriesorbyoptionalACadaptor.Ifthe

meterwillnotswitchONpleasecheckthatfreshbatteriesareinstalledintherearbattery

compartment(refertothebatteryreplacementsectionlaterinthisguide)or,inthecaseof

theACadaptor,checkthattheadaptorisconnectedcorrectlytothemeterandtoanAC

source(refertotheACPowerAdaptorsectionlaterinthisguide).



ConnectingThermocoupleSensors

ThismetercanacceptThermocoupletemperatureprobeTypesK,J,T,E,R,orS.

Connectuptotwelve(12)thermocouplestothesub‐miniaturejacksatthetopofthemeter

labeledT1throughT12.

Selectthedesiredmodeofoperation,andothersetupfeatures,intheSetupMode.Referto

theSetupModesectionbelow.



IMPORTANTNOTE:Thesuppliedthermocoupleprobesareuseableintherangeof‐20to+250°C

(‐4to+482°F)only;eventhoughthemetercandisplaytemperaturevaluesoutsideofthisrange.

Formeasuringoutsideoftherangespecifiedhere,pleaseobtainthermocouplesrated

accordingly.

CH8

CH7

CH6

CH5

CH4

CH3

CH2

CH1

4TM500-EU-EN v1.1 12/13

SetupMode

Basicsettingsataglance

Toviewthecurrentconfigurationofthemeterwithregardtotime,date,anddatalogging

samplingratepresstheSETbuttonfor>4seconds.Themeterwillnowdisplaytheconfiguration

menu.TheSetuppagerevertstothetemperaturewindowinapproximately8secondsifthere

arenobuttonpresses.

AccessingtheSetupmode

1. PressandholdtheSETbuttonforatleast4secondstoaccesstheSetupmenu.

2. PresstheNEXTbuttonmomentarilytostepthroughtheavailableparameters.

3. WhenaparameterthatistobechangedisflashingclickENTERtoenterthechangemode.

UsethearrowkeystochoosethesettingandpresstheENTERbuttontomakethechange.

4. NotethatthemeterautomaticallyswitchesoutoftheSetupmodeifnokeyispressed

within8seconds.

TheavailableSetupparametersarelistedbelow.Additionaldetailedinformationis

providedbelowthislist:

dAtE

Settheclock(Year/Month/Date;Hours/Minutes/Seconds)

LooP

StartandEndaloopmeasurementcycle



dEC

Setthenumericalformat;USA(decimal:20.00)orEuropean(comma:20,00)

PoFF

Automaticpower‐off(Enableordisabletheauto‐powerofffunction)

bEEP

SetthebeepersoundON/OFF

t‐CF

Selectthetemperatureunitofmeasure(CorF)

SP‐t

Setthedataloggersamplingrate(1to3600seconds)

SdF

FormattheSDmemorycard

SettingtheClockTime

1. AccessthedAtEparameter.

2. PresstheENTERbutton.

3. UsethearrowbuttonstochangetheYEARvalue.PressENTERtoconfirmsetting.

4. RepeatforMONTH,DAY,HOUR,MINUTEandSECONDS.

5. PresstheENTERbuttontoexittotheSetupmode.PressESCtoexitsetupmode.

Note:Theclockwillkeepaccuratetimeevenwhenthemeterisswitchedoff.However,ifthe

batteriesexpiretheclockwillhavetoberesetafterfreshbatteriesareinstalled.

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

TestEquipmentDepot.com

5TM500-EU-EN v1.1 12/13

SettingdataloggingLoopmode

Thismetercanbesettorecordtemperaturesforthesametimeeveryday.

Example–recordtemperatureseverydayfrom9:00to13:00

AccesstheLooPparameter.

PresstheENTERbutton.

SettheStartHour(0‐23)andpressENTER.

SettheStartMinuteandpressENTER.

SettheStopHourandpressENTER.

SettheStopMinuteandpressENTER.

PresstheupordownarrowtoindicateYESandpressENTER.

PresstheRECbuttonsotheRECiconisvisibleonthedisplay.Themeterisnowsetupto

recordtemperatureeverydayforthesettimewindow.



SettingdECmode‐NumericalFormat(commaordecimal)

EuropeanandUSAnumericalformatsdiffer.ThemeterdefaultstoUSAmodewhereadecimal

pointisusedtoseparateunitsfromtenths,i.e.20.00;TheEuropeanformatusesacomma,i.e.

20,00toseparateunitsfromtenths.Tochangethissetting:

1. AccessthedECparameter.

2. UsethearrowbuttonstoselectUSAorEUro.PressENTERtoconfirmsetting.

3. PresstheENTERbuttontoexittotheSetupmode.PressESCtoexitsetupmode.

SettingPoff‐Enabling/DisablingtheAutoPowerOFFFeature

1. AccessthePoFFparameter.

2. UsethearrowbuttonstoselectON(enable)orOFF(disable).WiththeAutoPowerOFF

featureenabled,themeterwillautomaticallyswitchOFFafter10minutesofinactivity.

3. PressENTERtoconfirmsetting.

4. PresstheENTERbuttontoexittotheSetupmode.PressESCtoexitsetupmode.

SettheBeeperSoundONorOFF

1. AccessthebEEPparameter.

2. UsethearrowbuttonstoselectONorOFF.PressENTERtoconfirmsetting.

3. PresstheENTERbuttontoexittotheSetupmode.PressESCtoexitsetupmode.

6TM500-EU-EN v1.1 12/13

SettheTemperatureUnitsofMeasure(°Cor°F)

1. Accessthet‐CFparameter.

2. Usethearrowbuttonstoselect°Cor°F.PressENTERtoconfirmsetting.

3. PresstheENTERbuttontoexittotheSetupmode.PressESCtoexitsetupmode.

SettingtheDataloggerSamplingTime(Rate)

1. AccesstheSP‐tparameter.

2. Usethearrowbuttonstoselectthedesiredsamplingrate.Theavailablesettingsare:

0,1,2,

5,10,30,60,120,300,600,1800,and3600seconds.Use‘0’formanualloggingmode.A

samplingrate>1secondisrecommended.



PresstheENTERbuttontoconfirmtheentry.



4. PresstheENTERbuttontoexittotheSetupmode.PressESCtoexitsetupmode.

SDCardFORMATTING

1. AccesstheSdFparameter.

2. UsethearrowbuttonstoselectYEStoformatthecard(selectNOtoabort).Notethatall

dataonthecardwillbelostifformattingisattempted.

3. PressENTERtoconfirmselection.

4. PressENTERagaintore‐confirm.

5. PresstheENTERbuttontoexittotheSetupmode.PressESCtoexitsetupmode.

  Note:alwaysformatanewSDmemorycardbeforeuse.

7TM500-EU-EN v1.1 12/13

Measurementsandrelatedfeatures

BasicThermocoupleMode

ThermocouplesareconnectedatthetopofthemetertothejackslabeledT1throughT12.

Selectthethermocoupletype(J,K,etc.)tomatchthethermocoupletypeused.Innormal

thermocouplemodethemeterwillsimultaneouslydisplaythetemperatureforthermocouples

T1throughT12.Dashesaredisplayedifathermocoupleisnotconnectedorifthemeasurement

isoutofrange.

DataHold

Tofreezeameasurementonthedisplay,presstheHOLDbuttonmomentarily.Themeterwill

emitabeep,thereadingwillhold,andtheHOLDiconwillswitchon.PresstheHOLDbutton

againtoreleasethedisplayandexittheDataHoldmodereturningthemetertothenormal

operatingmode.

TemperatureDisplayOFFSET

TheVPC300allowstheusertosetadisplayoffsetthatappliestoallofthethermocouple

displaysequally.Tosetthedisplayoffsetfollowthestepsbelow:

1. PressandholdtheOFFSETbuttonfor3secondstoreachtheoffsetscreen.The

temperatureontheleftisthecurrentlydisplayedtemperatureforChannel1andthe

temperatureontherightistheoffsettemperature

2. Usetheupanddownarrowkeystoadjustthedisplayontherighttooffsetthedisplayas

desired.

3. Whenfinished,presstheENTERbuttontostoretheoffsetandreturntonormaloperation.

4. Allofthethermocouplereadingswillnowreflecttheoffsetvalueprogrammedbythe

user.



TocleartheOFFSET,followthestepsbelow:

1. SwitchthemeterpowerOFF

2. PressandholdtheHOLDandRECbuttonswhileswitchingthemeterpowerON

3. ReleasethetwobuttonswhenthemeterswitchesON

4. PressandholdtheOFFSETbuttonfor5secondsandthedisplaywillshowCODE100

5. UsetheuparrowbuttontochangefromCODE100toCODE125andthenpressENTER

6. UsethearrowbuttonstoselectYESorNOandthenpressENTER

7. IfYESisselected,themeterwillclearthepreviouslyprogrammedoffset.IfNOisselected,

themeterwillretaintheoffsetprogrammedbytheuser.

MAX‐MINReadings

Foragivenmeasurementsession,thismetercanrecordthehighest(MAX)andthelowest(MIN)

readingsforlaterrecall.

1. PresstheRECbuttonmomentarilytoaccessthismodeofoperation(RECiconappears)

2. ThemeterisnowrecordingtheMAXandMINreadings.

3. PresstheRECbuttonagaintoviewthecurrentMAXreadings(MAXiconappears).The

readingsonthedisplayarenowthehighestreadingsencounteredsincetheRECiconwas

8TM500-EU-EN v1.1 12/13

switchedon(whentheMAX‐MINbuttonwasfirstpressed).TodeletetheMAXvalue,press

theHOLDbutton.ThedisplaywillshowjusttheRECicon.

4. PresstheRECbuttonagaintoviewthecurrentMINreadings(MINiconappears).The

readingsonthedisplayarenowthelowestreadingsencounteredsincetheRECiconwas

switchedon(whentheMAX‐MINbuttonwasfirstpressed).TodeletetheMINvalue,press

theHOLDbutton.ThedisplaywillshowjusttheRECicon.

5. ToexittheMAX‐MINmode,pressandholdtheRECbuttonforatleast1.5seconds.The

meterwillbeep,theREC‐MAX‐MINiconswillswitchoff,theMAX‐MINmemorywillclear,

andthemeterwillreturntothenormaloperatingmode.

DisplayBacklight

ToturnthedisplaybacklightONorOFF,pressthebacklight buttonmomentarily.Themeter

willbeepwhenswitchingthebacklightONorOFFunlessthebeeperisdisabledasdescribedin

theSetupModesectionofthisuserguide.

TimeCheck

MomentarilypresstheSETbuttonandthemeterscurrentDateandTimewillappearinthe

lowerleftcornerofthedisplay.

SamplingTimeCheck

Wheninnormalmode,presstheLOGGERbuttonmomentarily.TheSampleratesettingwill

appearinthelowerleftcornerofthedisplay.

RS‐232/USBPCInterface

ForstreamingofdatatoaPCviatheRS232Outputjack,theoptional407001‐USBkit(USBcable

anddriverCD)alongwiththe407001softwarearerequired.

ACPowerAdaptor

Thismeterisnormallypoweredbyeight(8)1.5V‘AA’batteries.Anoptional9Vpoweradaptoris

available.Whentheadaptorisused,themeterispermanentlypoweredandthepowerbutton

willbedisabled.

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

TestEquipmentDepot.com

9TM500-EU-EN v1.1 12/13

DataloggingandPCInterface

TypesofDataRecording

ManualDatalogging:Manuallylogupto99readingsontoanSDcardviapush‐buttonpress.

Thesampleratemustbesetto0toimplementthismode.

AutomaticDatalogging:AutomaticallylogdataontoanSDmemorycardwherethenumber

ofdatapointsisvirtuallylimitedonlybythecardsize.Readingsareloggedataratespecified

bytheuserfrom1to3600seconds.

RS‐232/USB:ThemeterincludesanRS‐232/USBPCinterfacejacklocatedonthelowerright

sideofthemeterunderthesnap‐offcompartmentcover.ForstreamingofdatatoaPCvia

theRS232Outputjack,theoptional407001‐USBkit(USBcableanddriverCD)alongwiththe

407001softwareare required.

SDCardInformation

InsertanSDcard(from1Gsizeupto16G)intotheSDcardslotatthebottomofthemeter.

Thecardmustbeinsertedwiththefrontofthecard(labelside)facingtowardtherearofthe

meter.

IftheSDcardisbeingusedforthefirsttimeitisrecommendedthatthecardbeformatted

andthelogger’sclocksettoallowforaccuratedate/timestampingduringdatalogging

sessions.RefertotheSetupModesectionforSDcardformattingandtime/datesetting

instructions.

EuropeanandUSAnumericalformatsdiffer.ThedataontheSDcardcanbeformattedfor

eitherformat.ThemeterdefaultstoUSAmodewhereadecimalpointisusedtoseparate

unitsfromtenths,i.e.20.00.TheEuropeanformatusesacomma,i.e.20,00.Tochangethis

setting,refertotheSetupModesection.

ManualDatalogging

InthemanualmodetheuserpressestheLOGbuttontomanuallylogareadingontotheSDcard.

1. Setthesamplingrateto‘0’secondsasdescribedintheSetupModesection.

2. PressRECbuttontoturnonmanualrecordmode.TheRECiconwillappearintheupper

leftcornerofthedisplay.Thelowerportionofthedisplaywillshowp‐n(n=memory

positionnumber1‐99).

3. PresstheENTERbuttonmomentarilytologareadingintomemory.TheLOGGERiconwill

flasheachtimeadatapointisstored(theSCANSDiconwillappearwhenthemeter

accessesthecard).

4. Advancetothenextmemorylocationusingtheuparrow▲button.

5. Toexitthemanualdataloggingmode,pressandholdtheRECbuttonforatleast1.5

seconds.

10 TM500-EU-EN v1.1 12/13

AutomaticDatalogging

Inautomaticdataloggingmodethemetertakesandstoresareadingatauser‐specifiedsampling

rateontoanSDmemorycard.Themeterdefaultstoasamplingrateoftwoseconds.Tochange

thesamplingrate,refertotheSetupModesection(thesamplingratecannotbe‘0’for

automaticdatalogging):

1. PressRECbuttontoturnonrecordmode.TheRECiconwillappearintheupperleftcorner

ofthedisplay.

2. StartanautomaticDataloggingsessionbypressingtheLOGGERbutton.

3. ThemeterwillscanforanSDcardandverifythatitcanbeusedtostoredata.Ifacardis

notinsertedorifthecardisdefective,themeterwilldisplaySCANSDindefinitely.Inthis

case,switchthemeterOFFandtryagainwithavalidSDcard.

4. IftheSDcardisvalid,thedisplaywillshowtheDATALOGGERiconandthenthe

DATALOGGERandtheRECiconswillflasheachtimethatareadingisstored.

5. TopausethedataloggerpresstheLOGGERbuttonmomentarily.TheDATALOGGERandREC

iconswillstopflashing.ToresumeloggingsimplypresstheLOGGERbuttonagain

momentarily.

6. ToterminatethedataloggingsessionpresstheLOGGERbuttontostoptheloggingandthen

presstheRECbuttonforatleast1.5seconds.

7. WhenanSDcardisusedforthefirsttimeafolderiscreatedonthecardandnamed

TMD01.Upto99spreadsheetdocuments(eachwith30,000readings)canbestoredinthis

folder.

8. WhendataloggingbeginsanewspreadsheetdocumentnamedTMD01001.xlsiscreatedon

theSDcardintheTMD01folder.ThedatarecordedwillbeplacedintheTMD01001.xls

documentuntil30,000readingsarereached.

9. Ifthemeasurementsessionexceeds30,000readings,anewdocumentwillbecreated

(TMD01002.xls)whereanother30,000readingscanbestored.Thismethodcontinuesfor

upto99documents,afterwhichanotherfolderiscreated(TMD02)whereanother99

spreadsheetdocumentscanbestored.Thisprocesscontinuesinthissamefashionwith

foldersTMD03throughTMD10(lastallowablefolder).

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