Download - SevenCompact™ pH/Ion meter S220
Operating Instructions
Mode d‘emploi
Instrucciones de manejo
SevenCompact™
pH/Ion meter S220
Engl
ish
Fran
çais
Espa
ñol
Table of contents
1 Introduction 5
2 Safetymeasures 6
3 Installation 8
3.1 Installingtheelectrodearm 83.2 Connectingasensor 12
4 Operatingthemeter 13
4.1 Backsidelayout 134.1.1 PinassignmentsRS232connection 134.2 Thedisplay 144.3 Keycontrols 164.4 Usingthesoftkeys 164.5 Selectingameasurementmode 174.6 Navigatingbetweenmenus 174.7 Navigatingwithinamenu 174.8 Usingthealphanumerickeypad 174.8.1 Alphanumericinput 174.8.2 EnteringIDs/PIN 184.8.3 Editingvaluesinatable 184.9 Calibration 194.9.1 Runningaone-pointpH/ioncalibration 194.9.2 Runningamulti-pointpH/ioncalibration 194.10 Automaticbufferrecognition 204.11 Samplemeasurements 204.12 Datatransfer 204.13 Temperaturecompensation 21
5 Setup 22
5.1 Menustructureofsetup 225.2 SampleID 225.3 UserID 225.4 Stirrer 235.5 DataTransferSettings 235.6 Systemsettings 245.7 Service 265.8 Instrumentself-test 27
6 Menusandsettings 28
6.1 MenustructureofpH/ion 286.2 SensorID/SN 286.3 Calibrationsettings 296.4 Measurementsettings 306.5 Endpointformats 32
Tableofcontents 3
6.6 TimedIntervalReadings 336.7 Temperaturesettings 336.8 Measurementlimits 33
7 Datamanagement 34
7.1 Menustructureofdatamenu 347.2 Measurementdata 347.3 Calibrationdata 357.4 ISMdata 36
8 Maintenance 38
8.1 Metermaintenance 388.2 Electrodemaintenance 388.3 Disposal 388.4 Errormessages 398.5 Errorlimits 41
9 Sensors,solutionsandaccessories 42
10 Specifications 44
11 Appendix 45
11.1 Buffertables 4511.1.1 Buffergroup1(ref.25°C)METTLERTOLEDOUS 4511.1.2 Buffergroup2(ref.25°C)METTLERTOLEDOEurope(defaultbuffer) 4511.1.3 Buffergroup3(ref.20°C)Merckstandardbuffers 4611.1.4 Buffergroup4(ref.25°C)DIN(19266) 4611.1.5 Buffergroup5(ref.25°C)DIN(19267) 4611.1.6 Buffergroup6(ref.25°C)JJG(Chinese) 4711.1.7 Buffergroup7(ref.25°C)TechnicalBuffer 4711.1.8 Buffergroup8(ref.25°C)JISZ8802(Japanese) 47
Tableofcontents4
1 IntroductionThankyouforpurchasingthisMETTLERTOLEDOinstrument.TheSevenCompactSeriesisnotonlyanewgenerationofintuitiveandeasy-to-operatebenchmetersforreliablemeasurements,theyalsoprovideextrasecurityagainstmistakesandsupportyourworkflowinthelaboratory.
Mistakescanbereducedtoaminimumbecauseofthefollowingcharacteristics:
NewISM®(IntelligentSensorManagement)technology:themeterautomaticallyrecognizesthesensorandtransfersthelatestsetofcalibrationdatafromthesensorchiptothemeter.Thelastfivecalibrationsaswellastheinitialcalibrationcertificatearealsostoredonthesensorchip.Thesecanbereviewed,transferredandprinted.ISM®providesadditionalsecurityandhelpseliminatemistakes.
Multi-languagegraphicaluserinterfaceonalarge4.3inchdisplaywithintuitivemenuguidance,makingtheoperatinginstructionsprimarilyasourceofreference.
GLPandRoutinemodefortheneedsofanyoperator:intheroutinemode,thedeletionofdataispreventedandchangingthosesettingsthatwouldpotentiallyjeopardizethecollectionofreliableresults,suchasmeasurementsettings,areblocked.Thisprovidesextrasecurityforroutinedailywork.SkilledworkersareadvisedtoemploytheGLPmodetoenjoytheinstruments’powerfulfullfunctionalrange.
Thisinstrumentsupportstheworkflowofamodernlaboratoryinallstagesofthedatacollectionandarchivingprocess:
Theelectrodearmcanbeoperatedwithonehandandmovesperfectlystraightupanddowntobringtheelectrodeintheperfectpositionforthebestmeasurementperformance.Thisallowsfastermeasurementsandposeslessrisktotipoverthesamplevesseland/ordamagetheheadofthesensor!
Onlyonekeypressrequired:READstartsameasurementandCALacalibration.It’ssoeasy! EasyswitchingbetweenthenormalviewandtheuFocus™.Thenormalviewhasallthe
measurementparametersandIDsonthedisplaytoprovideyouaninstantcompleteoverview.IntheuFocus™onlythemostimportantinformationisshowninlargedigits,suchasmea-surementvalueandtemperature.Thisenablesyoutofocuscompletelyonthemeasurement,withoutgettingdistractedbyinformationthatisnotrelevanttoyou.
EasytogglingwiththeMODEsoftkeybetweenthevariousmeasurementparameterseitherbeforeorduringameasurement.
Versatiledataarchivingoptions:printdata,exportdatatoaUSB-stick,orsenddatatoaPCwithLabXdirectsoftware!
Versatiledataentryprocedures:Entersample/userandsensorIDseitherdirectlyontheinstrument,oruseabarcodereaderorUSB-Keyboardtoincreaseefficiency.
AtMETTLERTOLEDOwearecommittedtoprovidingyouinstrumentsofhighestqualityandwedoallwecantosupportyouinmaximizingthelifetimeofyourinstrument:
IP54rating–wateranddustprotection:wehavedesignedourinstrumentinsuchway,thatitwithstandsdropsofaqueoussolutionsonthehousingandconnections.Thisnotonlypro-videsextraprotection,butalsoallowseasycleaningoftheinstrumentwithadampcloth.
Rubberplugsandprotectivecoverprovideextrasecurityagainstdustandspillsofaqueoussolutions.Justkeeptheplugattachedtotheconnectionsandcovertheinstrumentwiththetransparentprotectivecoverwhennotinuse.
HavefunandmanyreliablemeasurementswithourSevenCompactseriesofpH,Ionandconduc-tivitymeters!
5Introduction
2 Safetymeasures
Measuresforyourprotection
Riskofexplosion
Neverworkinanenvironmentsubjecttoexplosionhazards!Thehousingoftheinstrumentisnotgastight(explosionhazardduetosparkforma-tion,corrosioncausedbytheingressofgases).
Riskofcorrosion
Whenusingchemicalsandsolvents,complywiththeinstructionsoftheproducerandthegenerallabsafetyrules!
Measuresforyouroperationalsafety
Caution
Neverunscrewthetwohalvesofthehousing! HavethemeterservicedonlybyMETTLERTOLEDOService! Anyspillageshouldbewipedoffimmediately!Somesolventsmight
causecorrosionofthehousing. Avoidthefollowingenvironmentalinfluences:
• Powerfulvibrations• Directsunlight• Atmospherichumiditygreaterthan80%• Corrosivegasatmosphere• Temperaturesbelow5°Candabove40°C• Powerfulelectricormagneticfields
6 Safetymeasures
FCCRulesThisdevicecomplieswithPart15oftheFCCRulesandRadioInterferenceRequirementsoftheCanadianDepartmentofCommunications.Operationissubjecttothefollowingconditions:(1)thisdevicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.
ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassAdigitaldevice,pursuanttoPart15oftheFCCrules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferencewhentheequipmentisoperatedinacommercialenvironment.Thisequipmentgenerates,uses,andcanradiateradiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructionmanual,maycauseharmfulinterferencetoradiocommunica-tions.Operationofthisequipmentinaresidentialareaislikelytocauseharmfulinterferenceinwhichcasetheuserwillberequiredtocorrecttheinterferenceathisownexpense.
7Safetymeasures
3 InstallationCarefullyunpackthemeter.Keepthecalibrationcertificateinasafeplace.Inserttherightadapterclipintothepoweradapterslot:
PUSH
3.1 InstallingtheelectrodearmTheelectrodearmcanbeusedasastandaloneoritcanbeattachedtotheinstrumentontheleftorrightside,accordingtoyourpreferences.Theheightoftheelectrodearmcanbevariedbyusingtheextensionshaftpart.Usethewrenchtoattachtheextensionpart.
8 Installation
Assemblyoftheelectrodearm Usethewrenchtoattachthebasetotheelectrodearmbytighteningthescrews.Theelectrode
armcannowbeusedinthestandalonemode.
9Installation
Toattachtheelectrodearmtotheinstrument,removetheplasticcoversinafirststep.
10 Installation
Theninsertthefootofthemetertothearmbaseandshiftthemeterinthedirectionofthear-rowtomakethefootfit.
Usethelockscrewtoattachthemetertothebaseofthearm.
11Installation
3.2 ConnectingasensorToconnectpHorIonsensors,disconnecttherubberplugfromthepHsocket.Connecttheelec-trodeandmakesurethattheplugsareproperlyinserted.Ifyouareusinganelectrodewithabuilt-intemperatureprobeoraseparatetemperatureprobe,connecttheotherleadtotheATCsocket.TwisttheRCA(Cinch)plugtoeasetheattachmentofthesensor.
ISM®sensorWhenconnectinganISM®sensortothemeter,oneofthefollowingconditionshavetobemetforthecalibrationdatatobetransferredautomaticallyfromthechipofthesensorintothemeterandisusedforfurthermeasurements.AfterattachingtheISM®sensor...
Themetermustbeswitchedon. (Ifthemeterisalreadyswitchedon)theREADkeyispressed. (Ifthemeterisalreadyswitchedon)theCALkeyispressed.
WestronglyrecommendyoutoswitchoffthemeterwhendisconnectinganISMsensor.Indoingso,youmakesurethatthesensorisnotremovedwhiletheinstrumentisreadingdatafromorwrit-ingdatatotheISM-chipofthesensor.
TheISMicon appearsonthedisplayandthesensorIDofthesensorchipisregisteredandappearsonthedisplay.
Thecalibrationhistory,theinitialcertificateandthemaximumtemperaturecanbereviewedandprintedinthedatamemory.
12 Installation
4 Operatingthemeter
4.1 Backsidelayout
d fc
b ja h g
e
a BNCsocketformV/pHsignalinput
b RCA(Cinch)socketfortemperaturesignalinput
c Referencesocketforreferenceelectrodes
d Digitalsocketfordigitalelectrodes
e RS232interface
f DCpowersupplysocket
g USBAinterface
h USBBinterface
i MiniDINsocketforMETTLERTOLEDOstirrer
4.1.1 PinassignmentsRS232connectionBelowthePINassigmentsfortheRS-232interfaceareshown.TothisinterfacecanbeconnectedMETTLERTOLEDOprinterssuchasRS-P25.
13Operatingthemeter
4.2 ThedisplayTherearetwomodesforthedisplay:thefull-informationscreenwithalltheinformationonthedis-playandthemeasurementclose-upscreen(superview)inwhichthemeasurementinformationisshownwithlargefont.SwitchingbetweentheseviewsispossiblebypressingREADfor2s,bothduringameasurementorafter/beforeameasurement.
5 6 2 3 4 1 7
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1 Measurementvalue
2 USBdeviceconnected
3 PCconnected(forLabXdirect)
14 Operatingthemeter
4 Stirrericon(whenstirringistakingplace)
5 Dataloggingicon(timedintervalreading)
6 Routinemodeicon(useraccessrightsarerestricted)
7 Dateandtime
8 Measurementtemperature
9 Endpointformat
10 Temperaturecompensation
ATC:Temperaturesensorconnected
MTC:notemperaturesensorconnectedordetected
11 Numberofdatasetsinmem-ory
12 UserID
13 Softkey
14 Softkey
15 Softkey
16 Softkey
17 SampleID
18 SensorID
19 pHelectrodeconditionicon
Slope:95-105%Offset:±(0-20)mVElectrodeisingoodcondition
Slope:94-90%Offset:±(20-35)mVElectrodeneedscleaning
Slope:89-85%Offset:±(>35)mVElectrodeisfaulty
20 ISM®sensorconnected
21 Stabilitycriterion
Strict Medium Fast
22 Warningmessages
23 Buffergroupsorstandards
15Operatingthemeter
4.3 KeycontrolsKey Pressandrelease Pressandholdfor2seconds
Switchmeteronoroff Switchmeteronoroff
Switchbetweenmeasurementclose-upscreenandfull-infor-mationscreen
Startcalibration Reviewthelastcalibrationdata
Softkeys Thefunctionofthesoftkeysvariesfromscreentoscreen(see“Usingthesoftkeys”)
ON/OFF
READ Startorendmeasurement
(measurementscreen)
Confirminputorstarteditingatable
Exitmenuandgobacktomeasurementscreen
CAL
4.4 UsingthesoftkeysThemeterhasfoursoftkeys.Thefunctionsassignedtothemchangeduringoperationdependingontheapplication.Theassignmentisshownonthebottomlineofthescreen.
Inthemeasurementscreen,thesoftkeysareassignedasfollows:
Data Menu ModeAccessdatamenu Accessmetersettings Changemeasurementmode
Theothersoftkeyfunctionsare:Moveonepositiontotheright Edit Edittableorvalue
Moveonepositiontotheleft End Endcalibration
Scrollupinthemenu Yes Confirm
Scrolldowninthemenu No Reject
Increasevalue Review Reviewselecteddata
Decreasevalue Save Savedata,settingorvalue
Scrolltonextdatasetinmem-ory
Select Selectthehighlightedfunctionorsetting
Deletelettersornumbersonalphanumerickeypad
Start Beginthereferencemeasure-ment
Delete Deleteselecteddata Trans Transferselecteddata
16 Operatingthemeter
4.5 SelectingameasurementmodePresstheMODEsoftkeytoswitchbetweenthedifferentmeasurementmodes.
Thesequenceofthealternatingmeasurementmodesis:
1. pH
2. mV
3. rel.mV
4. ion
4.6 NavigatingbetweenmenusThemeterdisplayconsistsofameasurementframe,softkeys,areasforstatusiconsandunderly-ingmenuareas.
Toaccessthemenuareasandtonavigatebetweenthem,usevarioussoftkeys(see“Usingthesoftkeys”).
PressMenu.TheSetupmenuappearsandthepH/Iontabishighlighted.
Press tohighlighttheSetuptab,or Press tohighlightSensorID/SN. PressEXITtoreturntothemeasurementscreen.
4.7 NavigatingwithinamenuThisexampleisbasedontheSetupmenu,buttheprocedureappliestotheothermenusaswell.
PressMenu.
TheSetupmenuappearsandthepH/Iontabishighlighted.
Press asoftenasneededtonavigatetoamenuitem. PressSelecttomovedeeperinthemenuforthechosenoperation. Continuenavigatingwith , orSelectuntilthefinaldestinationisreachedwithin
themenu. PressMODE/EXITtogobacktothepreviousmenu.
—or— PressREADtoreturntothemeasurementscreendirectly.
4.8 Usingthealphanumerickeypad
4.8.1 AlphanumericinputThemeterhasascreenkeypadforenteringIDs,SNsandPINs.Bothnumbersandlettersareal-lowedfortheseentries.
WhenenteringaPIN,eachcharacterenteredwillbedisplayedas(*).
17Operatingthemeter
1 Press tomovelefttohighlightnumberorletter,use tomoveright,and tomovedownwards.
2 PressREADtoconfirmtheentry.
Thelinewherethepositionofalphanumericcharacterisbeingenteredblinks.
3 Toendandconfirmentry,usesoftkeystohighlightscreenkeyOK,andpressREADtosavetheID.—or—
4 Todeleteinformation,usesoftkeystohighlight andpressREADtodeletethepreviouslyenteredcharacter.—or—
5 PressEXITtoreturntotheupperlevelofthemenu.
Theentriesarerejected.
4.8.2 EnteringIDs/PINThefoursoftkeysandREADkeyareusedfornavigatingonthekeypadandenteringtheID/PIN.
Example:WATER1 If1ishighlighted,press once.
Qishighlighted.
2 Press once.
Wishighlighted.
3 PressREADtoenterW.
4 RepositioningthehighlightedbartoA,T,EandR,andpressREADtoentereachletterofsam-pleIDinsequenceasdescribedinsteps1-3.
5 RepositionthehighlightedbartoOK,andpressREADtosavethesampleID.
InsteadofenteringanIDwiththealphanumerickeypad,onecanalsouseaUSB-keyboardoraUSB-barcodescanner.Incaseacharacterisenteredorscannedthatisnotpresentontheinstru-mentkeyboarditwilldisplaytheentryasanunderscore(_).
4.8.3 EditingvaluesinatableThemeterhasafeature,whichallowstheusertoenter,editorremovevaluesintables.(forexam-ple,temperatureandbuffervaluesforacustomizedbuffergroup).Thisisaccomplishedbyusingthesoftkeysonthedisplaytonavigatefromcelltocell.
18 Operatingthemeter
1 PressREADtostarteditingthecellinthetable.
Thesoftkeysonthedisplaychange.
2 Press and toenterthevalueandpressREADtoconfirm.
Thesoftkeyschangebackto and .
3 NavigatetoacellandpressDeletetoremoveavalue.
4 Tofinisheditingthetable,navigatewiththe and tohighlightSave.
5 PressREADtoconfirmtheactionandexitthemenu.
4.9 CalibrationThemeterallowsyoutoperformpH/ioncalibrationswithupto5points.
Calibrationisonlypossibleinthefull-informationscreen.WhenstartingacalibrationbypressingtheCALkeywhiletheinstrumentdisplaystheclose-upscreen,itwillautomaticallyswitchtothefull-informationscreen.
4.9.1 Runningaone-pointpH/ioncalibration1 Placetheelectrodeinacalibrationbuffer/standardandpressCAL.
Cal1appearsonthedisplay
2 ThemeterendpointsaccordingtothepreselectedendpointmodeafterthesignalhasstabilizedorafterpressingREAD.
Therelevantbuffer/standardvalueisshownonthedisplay.
3 PressEndtoacceptthecalibration.
Thecalibrationresultisshownonthedisplay.
4 PressSavetosavetheresult.—or—
5 PressExittorejectthecalibrationandreturntosamplemeasurement.
Withtheone-pointcalibrationonlytheoffsetisadjusted.Ifthesensorwaspreviouslycalibrat-edwithamultipointcalibrationthepreviouslystoredslopewillremain.Otherwisethetheoreti-calslope(-59.16mV/pH)willbeused.
4.9.2 Runningamulti-pointpH/ioncalibrationpHandioncalibrationscanberunwiththismeterforupto5points.
1 Runthecalibrationasdescribedin“Runningaone-pointpH/ion”(steps1-2).
2 Rinsetheelectrodewithdeionizedwater.
3 Placetheelectrodeinthenextcalibrationbuffer.
4 PressCAL.
Cal2appearsonthedisplay.ThemeterendpointsaccordingtothepreselectedendpointmodeafterthesignalhasstabilizedorafterpressingREAD.Therelevantbuffervalueisshownonthedisplay.
5 Repeatthesteps2-4forallcalibrationbuffers.
6 PressEndtoendthecalibrationprocedure.
Alternatively,themeterendsthecalibrationautomaticallywhen5calibrationsareper-formed.Theoffsetvalueandslopeareshownonthedisplay.
7 Press toscrolldowntonextdataset
19Operatingthemeter
8 PressSavetokeepthecalibration.
9 PressEXITtorejectthecalibration.
4.10 AutomaticbufferrecognitionThemeterfeaturesautomaticpHbufferrecognitionforthepredefinedbuffergroups(see“Appen-dix”)andtheuser-definedbuffergroups.Thebufferswithinabuffergroupareautomaticallyrecog-nizedbythemeteranddisplayedduringcalibration.Thisfeatureallowsthecalibrationinanyorderwithinapredefinedoruser-definedpHbuffergroup.
4.11 Samplemeasurements PlacethesensorinthesampleandpressREADtostartameasurement.
• Thedisplayshowsthereadingsofthesample.• Theendpointformatblinks,indicatingameasurementisinprogress.
Assoonasthemeasurementisstableaccordingtotheselectedstabilitycriterion,theStabilityiconappears.
Ifthe“automaticendpoint”formatisselected,themeasurementstopsautomaticallyassoonastheStabilityiconappears.
Ifthe“manualendpoint”formatisselected,pressREADtomanuallystopthemeasurement. Ifthe“timedendpoint”formatisselected,themeasurementstopsafterthepresettime.
4.12 DatatransferItispossibletotransfereitheralldataorauser-definedsetofdatafromthememorytoaMETTLERTOLEDOprinter(forexampleRS-P26),toaPCbyusingLabXdirectortoaUSBmemorystick.
Thefollowingsectiondescribeshowtoproceedwiththedifferentconfigurations.
Datatransferfromthemetertoaprinter1 ConnecttheRS232cabletothemeterandthecorrespondinginterfaceonthebacksideofthe
printer.
2 Selecttheinterface“printer”inthedatatransfersettingsmenu(see“Setup:DataTransferSet-tings”).
3 Starttransferinthedatamenu.
Forsomeprinters(e.g.RS-P25,RS-P26andRS-P28),thebaudratesettingswillbeautomaticallysynchronizedwiththoseoftheinstrument.
Forotherprintersthesettingsfordatatransferintheprinterneedtobeadjustedasfollows:
Baudrate:1200 Databits:8 Parity:none Stopbits:1
DatatransferfromthemetertoLabXdirectpH1 ConnecttheinstrumentviaUSBBtothePC.
The iconappearsonthedisplay.
2 Selecttheinterface“LabXdirect”inthedatatransfersettingsmenu(see“Setup:DataTrans-ferSettings”).
3 OpenLabXdirectpHandselectthecorrectinstrument.
20 Operatingthemeter
4 SelecttheitemandTransferinthedatamenutostartthetransfer.
DataexportfromthemetertoaUSBstick1 InserttheUSBstickintothecorrespondinginterfaceofthemeter.
Theicon appearsonthedisplay.
2 SelecttheitemandExporttoUSB-Stickinthedatamenutostartthetransfer.
Thedatawillbeintext(extension.txt)format.TheinstrumentwillcreateanewfolderontheUSB-stickinwhichthenameisthedateintheinternationalformat,i.e.firstyear,thenmonthandthentheday.Example:whenthedateis25November2011,thenameofthefolderwillbe:20111125.
Thedatawillbewrittenasatextfilewithanamethatconsistsofthetimein24hformat(hrminsec)withaprefixdependingonwhatkindofdataisexported.ThisprefixisMformeasurementdataandCforcalibrationdata.Example:whencalibrationdataareexportedat15:12:25(3:12:25pm)thenameofthefilewillbe:C151225.txt
PressingEXITduringtheexportingabortstheprocess
4.13 TemperaturecompensationWerecommendtheuseofeitherabuilt-inoraseparatetemperatureprobe.Ifatemperatureprobeisused,ATCandthesampletemperaturearedisplayed.Ifnotemperaturesensorisused,MTCisdisplayedandthesampletemperatureshouldbeenteredmanually.
ThemeteracceptsbothNTC30kΩandpT1000temperaturesensors,withselectiontakingplaceeitherautomaticallyormanually(see“Menusandsettings:Temperaturesettings”).
InthepHandionmode,themetercalculatesthetemperature-adjustedelectrodeslopeusingthistemperatureandshowsthetemperature-compensatedpH/ionvalueinthemeasurementdisplay.
21Operatingthemeter
5 Setup
5.1 MenustructureofsetupTheindividualitemsofthemenusetuparedescribedonthepagesfollowingthelistbelow.
1. SampleID 5. Systemsettings
1.EnterSampleID 1.Language
2.SelectSampleID 2.TimeandDate
3.DeleteSampleID 3.AccessControl
2. UserID 4.Beep
1.EnterUserID 5.Routine/ExpertMode
2.SelectUserID 6.ScreenSettings
3.DeleteUserID 6. Service
3. Stirrer 1.SoftwareUpdate
1.StirBeforeMeasurement 2.ExportSettingstoUSB-stick
2.StirDuringMeasurement 3.FactoryReset
3.StirSpeed 7. InstrumentSelf-test
4.StirrerVoltageSettings
4. DataTransferSettings
1.DataLogging
2.Interface
3.PrintoutFormat
5.2 SampleIDAnalphanumericsampleIDwithupto16characterscanbeentered.Alternatively,apreviouslyenteredsampleIDcanbeselectedfromthelist.IfasampleIDhasbeenentered,whichiseitherpurelynumeric(forexample,123)orendswithanumber(forexample,WATER123),thefollow-ingoptionsareavailable:
1. <AutoSequential>OnUsingthissettingwillautomaticallyincrementthesampleIDby1foreachreading.
2. <AutoSequential>OffThesampleIDisnotincrementedautomatically.
Amaximumof10sampleIDsarestoredinmemoryandlistedforselection.Ifthemaximumof10hasalreadybeenentered,asampleIDcaneitherbedeletedmanuallyortheoldestIDwillbeauto-maticallyoverwrittenbythenewID.
ThisinstrumentallowsaspecialprocessforusersthatwouldliketoenterthesampleIDinaquickerway.Whenthehomescreenisshown,whilenomeasurementorcalibrationisrunning,typingonaUSB-keyboardorscanningwithabarcodereader,resultsinajumpinthesampleIDentryscreenandtheenteredcharactersareshown.Incaseacharacterisenteredorscannedthatisnotpresentontheinstrumentkeyboard(see“Operatingthemeter:EnteringIDs/PIN”).Itwilldis-playtheentryasanunderscore(_).
5.3 UserIDAuserIDwithupto16characterscanbeentered.Alternatively,apreviouslyentereduserIDcanbeselectedfromthelist.
22 Setup
Amaximumof10userIDsarestoredinmemoryandlistedforselection.Ifthemaximumof10hasalreadybeenentered,auserIDcaneitherbedeletedmanuallyortheoldestIDwillbeauto-maticallyoverwrittenbythenewID.
5.4 StirrerTheusercanconnecttheMETTLER-TOLEDOexternalmagneticstirrertotheinstrument.Thisstir-rerispoweredbytheinstrumentandwillbeautomaticallyswitchedon/offaccordingtothesettingsbytheuser.
1.StirBeforeMeasurement <StirBeforeMeasurement>On
Usingthissettingwillincludeastirringperiodbeforethemeasurementstarts(afterpressingREAD).Theusercansetthetimebetween3sand60s.
<StirBeforeMeasurement>OffNostirringbeforethemeasurementwilltakeplace.
2.StirDuringMeasurement <StirDuringMeasurement>On
Usingthissettingwillresultsinstirringduringthemeasurement.Whenthemeasurementend-points,thestirrerisautomaticallyswichedoff.
<StirDuringMeasurement>OffNostirringduringthemeasurementwilltakeplace.
3.StirSpeed Theusercanadjustthestirspeedofthestirreraccordingtohispreferencesandthecharacter-
isticsofthesample. Astirspeedbetween1and5canbeselected,with5beingfastest.
Toindicatethattheinstrumentisstirringwhentheoption“StirBeforeMeasurement”hasbeenselected,theinstrumentwilldisplaytheicon .
5.5 DataTransferSettings
1.DataLoggingThemeterstoresupto1000setsofmeasurementdatainthememory.Thenumberofdatasetsal-readystoredinthememoryisindicatedbyMXXXXonthedisplay.Amessageappearsonthedis-playwhenthememoryisfull.Tosavefurthermeasurementsifthememoryisfull,datahastobedeletedfirst.Youcanselectbetweenautomaticandmanualstorage.
1. AutomaticstorageStores/transferseveryendpointedreadingtothememory/interfaceorbothautomatically.
2. ManualstorageIf“ManualStorage”isset,Storeappearsonthedisplayassoonasameasurementhasend-pointed.PressStoretosave/transferendpointedreadings.Theendpointedreadingcanonlybestoredonce.Whenthedataisstored,Storedisappearsfromthemeasurementscreen.WhentheStorekeyisshownbutyougointothemenusettingsbeforesavingthemeasure-ment,theStorekeywillnotbepresentanymorewhenyouexitthemenusettingsandreturntothemeasurementscreen.
23Setup
2.InterfaceSelecttotransferthedatainthememorytoaPrinter,LabXDirectorboth.Themeteradjuststhebaudratetothefollowingsettingsincasenoautomaticbaudratesynchronizationoccurs(onlypossiblewithUSBandtheprintersRS-P25,RS-P26andRS-P28):
1. PrinterBaudrate:1200Databits:8Parity:noneStopbits:1Handshake:none
2. LabXdirectThesettingsbetweentheinstrumentandPCareadjustedautomaticallybecauseUSBconnec-tionisplug-and-play
3. Printer+LabXdirectThesettingslistedabovefor1.and2.areused.
3.PrintoutFormatThreedifferentprintoutformatsareavailable:GLP,NormalandShort.Theprintoutscanbeprint-edinsixdifferentlanguages,dependingonwhichlanguageiscurrentlyselectedinSetup(English,German,French,Italian,SpanishandPortuguese).ForallotherlanguagestheprintoutswillbeinEnglish.
*IfLabXdirectisselected,theprintoutformatisalwaysGLPandEnglish.LabXdirectPCsoftwaretranslatesthereceiveddataintotheselectedPClanguageasdefinedintheregionalandlanguageoptions.
Examples:pHprintoutGLP pHprintoutnormal pHprintoutshort
<pH>GLP24-Jul-0510:56AMBEER6.997pH0.5mV25.0°CATCAutoEPStrictINLAB413122222222Lastcal.:09-Jun-201010:56AMIvySignature:____________Outsidelimits
<pH>Normal24-Jul-0510:56AMBEER6.997pH0.5mV25.0°CATCAutoEPStrictINLAB413
<pH>0.5mV25.0°CATCAutoEPStrictINLAB413
5.6 SystemsettingsThesystemsettingsmenuisprotectedbyaPIN.Upondelivery,thePINissetto000000andisactivated.PleasechangethePINtopreventunauthorizedaccess.
24 Setup
1.LanguageThefollowinglanguagesareavailableforthesystem:English,German,French,Spanish,Italian,Portuguese,Chinese,Japanese,KoreanandRussian.
2.TimeanddateWhenstartingthemeterforthefirsttime,thedisplayforenteringtimeanddateappearsautomati-cally.
Inthesystemsettings,twotimeandfourdatedisplayformatsareavailable:
Time24-hourformat(forexample,06:56and18:56)
12-hourformat(forexample,06:56AMand06:56PM) Date:
28-11-2010(day-month-year)
11-28-2010(month-day-year)
28-Nov-2010(day-month-year)
28/11/2010(day-month-year)
3.AccesscontrolPINsettingsareavailablefor:
1. Systemsettings
2. Deletingdata
3. Instrumentlogin
1 SwitchPINprotectionfortherequiredaccesscontrolON.Thewindowforenteringanalphanu-mericPINappears.
2 EnteranalphanumericPIN(max.6characters).
TheinputwindowforPINverificationappears.
3 ConfirmPIN.
Amaximumof6characterscanbeenteredasPIN.Inthefactorydefaultsettings,thePINforsys-temsettingsanddeletingdataissetto000000andisactivated,noinstrumentloginpasswordisset.
4.BeepAnacousticsignalcanbeswitchedoninthefollowingthreecases:
1. Keyispressed
2. Alarm/warningmessageappears
3. Measurementisstableandhasendpointed(stabilitysignalappears)
5.Expert/RoutinemodesThemeterhastwoworkingmodes:
Expertmode:thefactorydefaultsettingenablesallfunctionsofthemeter. Routinemode:someofthemenusettingsareblocked.
TheconceptofthetwoworkingmodesisaGLPfeaturethatensuresthatimportantsettingsandstoreddatacannotbedeletedcannotbeunintentionallychangedunderroutineworkingconditions.
Themeteronlyallowsthefollowingfunctionsintheroutinemode:
25Setup
Calibratingandmeasuring Editinguser,sampleandsensorIDs EditingtheMTCtemperature Editingdatatransfersettings Editingsystem-settings(PIN-protected) Runningtheinstrumentself-test
Storing,viewing,printingandexportingdata ExportingsettingstoUSB-stick
6.ScreensettingsScreenBrightnessThescreenbrightnesscanbesetfromlevels1to16.
ScreenSaverTheamountoftimecanbesetwhichpassesbeforethescreensaverisactivated:5-99minutes
Ifthemeterisnotoperatedduringthistime,thescreensaverisactivated.Pressanykeyandthedisplayisactivatedagain,independentofthefunctionofthekey.
ScreenColorThedisplaybackgroundcolorblue,grey,redorgreencanbeselected.
Thedisplayhasalimitedlifetime;thereforewerecommendactivatingthescreensaverorswitchingoffthemeterwhennotinoperation.
Ifaninstrumentloginpasswordisset,thispasswordisrequiredafteractivatingthedisplayagain.
5.7 Service
1.SoftwareUpdateIncaseanewersoftwareversionisavailable,theusercanperformasoftwareupdateviaUSB-stick,byadheringtothefollowingprocess:
1 MakesurethatthefirmwareisintherootdirectoryoftheUSB-stickandhasanameS<xxx>v<yyy>.bin,with<xxx>beingthenumberoftheinstrumenttype(220forpH/Ionme-terand230forconductivitymeter)and<yyy>beingtheversionnumber.
2 ConnecttheUSB-sticktotheinstrument
3 Selecttheoption“softwareupdate”
Amessageappearsthatthesoftwareupdateistinprogress
4 Whenthesoftwareupdateiscompletedyouneedtorestarttheinstrumentforthechangestobecomeeffective.
Afterthesoftwareupdatetheinstrumentisswitchedbacktofactorysettings.AllunsaveddatawillbelostandthePINwillbesetbackto“000000”.
IncasetheUSB-stickisremovedduringtheupdateprocessorthepoweradapterispluggedout,theinstrumentcannotbeswitchedonanymore.PleasecontactMETTLERTOLEDOserviceinthatcase.
26 Setup
2.ExportSettingstoaUSB-stickWiththisfeaturetheusercanexportthesettings.Thesecanforexamplebesentviae-mailtoacustomerservicerepresentativeincasedifficultiesoccur,sothatitiseasierforthecustomerser-vicerepresentativetoprovidesupport.
1 InserttheUSBstickintothecorrespondinginterfaceofthemeter
The iconappearsonthedisplay
2 SelecttheitemandExportSettingstoUSB-Stickintheservicemenutostartthetransfer
Thesettingswillbeintext(extension.txt)format.TheinstrumentwillcreateanewfolderontheUSB-stickinwhichthenameisthedateintheinternationalformat,i.e.firstyear,thenmonthandthentheday.
Example:whenthedatais25November2011,thenameofthefolderwillbe:20111125.
Thedatawillbewrittenasatextfilewithanamethatconsistsofthetimein24hformat(hrminsec)withtheprefixS.
Example:whensettingsareexportedat15:12:25(3:12:25pm)thenameofthefilewillbe:S151225.txt
PressingEXITduringtheexportingabortstheprocess
3.FactoryResetWhenthefactoryresetisperformed,theinstrumentwillrevertbacktotheoriginalsettingswhentheinstrumentleftthefactory.AlldatawillbelostandthePINisset-backtotheoriginalPIN“000000”.
5.8 Instrumentself-testTheinstrumentself-testrequiresuserinteraction.
1 IntheSetupmenu,select“6.InstrumentSelf-test”.
Selectingthemenuitemstartstheself-testroutine.
2 Pressthefunctionkeysonthekeypadonebyoneinanyorder.
Theself-testresultisdisplayedafterafewseconds.
Themeterreturnstothesystemsettingsmenuautomatically.
Theuserneedstofinishpressingallsevenkeyswithintwominutes,otherwise“Self-testfailed!”appearsandtheprocedurehastoberepeated.
Iferrormessagesrepeatedlyappear,contactMETTLERTOLEDOService.
27Setup
6 Menusandsettings
6.1 MenustructureofpH/ion
1. SensorID/SN 4. EndpointFormats
2. CalibrationSettings 5. TimedIntervalReadings
1.BufferGroup/Standard 6. TemperatureSettings
2.CalibrationMode 1.SetMTCTemperature
2.CalibrationReminder 2.TemperatureUnit
3. MeasurementSettings 3.Temp.SensorRecognition
1.MeasurementResolution 7. MeasurementLimits
2.StabilityCriterion
3.IonMeasurementUnit
4.IonType
5.Rel.mVOffset
6.2 SensorID/SN
1.EnterSensorID/SNAnalphanumericsensorIDwithupto12characterscanbeentered.ThesensorIDwillbeas-signedtoeachcalibrationandmeasurementvalue.Thisisvaluablefortracingbackdata.
Themaximiumnumberofsensorsforbothsensortypes(pHandIon)is30.Whenthisnumberhasbeenreached,firstasensorhastobedeletedbeforeanewsensorcanbecreated(seethenoteattheendofthissectionhowtodeleteasensor).
IfanewsensorIDisentered,thetheoreticalcalibrationslopeandoffsetforthistypeofelectrodewillbeloaded.Thesensorhastobenewlycalibrated.
IfasensorIDisentered,whichisalreadyinthememoryofthemeterandhasbeencalibratedbe-fore,thespecificcalibrationdataforthissensorIDwillbeloaded.
WhenanewionsensorIDisentered,theiontypeforthissensorcanbeselected.Thisiontyperemainsassignedtothissensoruntilthesensorhasbeendeleted.
WhenconnectinganISM®sensortothemeter,themeterwill:
Automaticallyrecognizethesensorwhenit’sturnedon(alternatively,whenpressingREADorCAL)
LoadthestoredsensorID,sensorSNandsensortypeaswellasthelatestcalibrationdataofthissensor
Usethiscalibrationforthesubsequentmeasurements
ThesensorIDforISM®sensorscanbechanged.SensorSNandsensortype,however,areblockedformodification.
2.SelectSensorIDAlreadyenteredsensorIDscanbeselectedfromalist.
IfasensorIDisselected,whichisalreadyinthememoryofthemeterandhasbeencalibratedbe-fore,thespecificcalibrationdataforthissensorIDwillbeloaded.
28 Menusandsettings
YoucandeleteasensorIDwithitscalibrationsinthecalibrationdatamenu.
6.3 Calibrationsettings
Buffergroups/standards
PredefinedpHbuffergroupsOneofeightpredefinedbuffergroupscanbeselected:B1 1.68 4.01 7.00 10.01 (at25°C) MettlerUSB2 2.00 4.01 9.00 9.21 11.00 (at25°C) MettlerEuropeB3 2.00 4.00 7.00 9.00 12.00 (at20°C) StandardMerck
bufferB4 1.680 4.008 6.865 9.184 12.454 (at25°C) DIN19266B5 1.09 4.65 6.79 9.23 12.75 (at25°C) DIN19267B6 1.680 4.003 6.864 9.182 12.460 (at25°C) ChineseB7 2.00 4.01 7.00 10.00 (at25°C) TechnicalbufferB8 1.679 4.008 6.865 9.180 (at25°C) JISZ8802Temperaturetablesforthesebuffersareprogrammedinthemeterandcanbefoundinthe“Appen-dix”.
CustomizedpHbuffergroupAsetofuser-definedpHbufferswithupto5differenttemperaturesforeachbuffercanbecreated.ThetemperaturedifferencebetweenpHbuffersmustbeatleast5°CandthedifferencebetweenthepHvaluesmustbeatleast1.
Whenswitchingfrompredefinedbuffergrouptocustomizedbuffergroup,pressSaveinthetableevenifnovalueshavechanged.
IonstandardsConcentrationsforupto5standardswithonestandardtemperaturecanbedefined.Theioncon-centrationunitformeasurementsandcalibrationcanbedefined.Sixconcentrationunitsareavail-able:
mmol/L mol/L ppm mg/L % pX
1 Selectionconcentrationunit
2 EdittablebypressingRead
3 Press and toenterthevalueandpressREADtoconfirm.
4 NavigatewiththearrowstoSaveandpressREADtoconfirm
CalibrationmodeTwocalibrationmodesareoffered:
29Menusandsettings
Segmented:thecalibrationcurveismadeupoflinearsegmentsjoiningtheindividualcalibra-tionpoints.Ifhighaccuracyisrequired,thesegmentmethodisrecommended.
Linear:thecalibrationcurveisdeterminedusinglinearregression.Thismethodisrecom-mendedforsampleswithwidelyvaryingvalues.
ThesesettingsappliestobothpHandIoncalibration.
CalibrationreminderWhenthecalibrationreminderis“On”,theuserisremindedtoperformanewcalibrationafteracertainuser-definedinterval(maximum9999h)haselapsed.
PressREADtosavetheintervalandanotherscreenappearstoselectcalibrationexpirationdate.
Fourdifferenttimespanscanbeprogrammed.Inallfourcases,awarningmessageappearsthattheelectrodeshouldbecalibrated.
ImmediatelyThemeterisimmediatelyblockedformeasurementwhenthepredefinedintervalhaselapsed.
Reminder+1hThemeterisblockedformeasurement1hourafterthepredefinedintervalhaselapsed.
Reminder+2hThemeterisblockedformeasurement2hoursafterthepredefinedintervalhaselapsed.
ContinueReadingTheusercancontinuemeasuringwhenthepredefinedintervalhaselapsed.
6.4 Measurementsettings
MeasurementResolutionTheresolutionforpHandmVneedstobesetforthedisplay.Upto3decimalplacescanbecho-sendependingontheunitofmeasurement(seetablebelow).
Ondisplay Description Option
X.XXX threedecimalplaces pH
X.XX twodecimalplaces pH
X.X onedecimalplace pH,mV
X nodecimalplaces mV
Intheionmode,themeasurementresolutiondependsontheconcentrationandtheunitofthemeasuredion.
StabilityCriterionTheStabilityiconappearsaccordingtothefollowingstabilitycriteria:
-StabilitycriteriaforpHandmVmeasurement
Strict
Themeasuredsignalshouldnotchangebymorethan0.03mVin8secondsorbymorethan0.1mVin30seconds.
Medium
30 Menusandsettings
Themeasuredsignalshouldnotchangebymorethan0.1mVin6seconds.
Fast
Themeasuredsignalshouldnotchangebymorethan0.6mVin4seconds.
-Stabilitycriterionforionmeasurement
Strict
Themeasuredsignalshouldnotchangebymorethan0.03mVin12secondsorbymorethan0.08mVin26seconds.
Medium
Themeasuredsignalshouldnotchangebymorethan0.08mVin8seconds.
Fast
Themeasuredsignalshouldnotchangebymorethan0.3mVin4seconds.
IonMeasurementUnitsTheionconcentrationunitformeasurementsandcalibrationcanbeselectedbetweenthefollowingsixunits:mmol/L,mol/L,ppm,mg/L,%,pX.
Insomecases,changingmeasurementunitsrequirestheusertofirstrecalibratebeforestartingameasurement,otherwiseanerrormessagewillappear.Theunitsofmeasurementaredividedintwogroups:1.mmol/L,mol/LandpX,and2.ppm,mg/L,%.Changingwithinagroupdoesnotrequirecalibration,butchangingbetweenthetwogroupsdoes.
IonTypeWhenusinganionsensortowhichpreviouslyasensorIDhasbeenassigned,theiontypethathasbeenassignedtothissensorIDisautomaticallyused.
However,incaseonewouldliketomeasurewithoutasensorID,itisimportanttoassignthecor-rectiontype.Thisisbecausethetheoreticalslopedependsonthechargeoftheion(seebelow)
Eightspecificandfourgeneraliontypesareavailable:
F-(fluoride),Cl-(chloride),CN-(cyanide),NO3-(nitrate),Na+(sodium),K+(potassium),Ca2+(Calcium),Cu2+(cuprous),Ion-,Ion+,Ion2-andIon2+.
Dependingonthetypeofelectrodethetheoreticalslopediffersduetothechargeoftheion.Theflu-orideelectrodehase.g.atheoreticalslopeof+59.16mV/pXwhereasthetheoreticalslopeofacalciumelectrodeis-29.58mV/pX.ThistheoreticalvalueisloadedforanewenteredsensorIDuntilthesensoriscalibrated.
Rel.mVOffsetIntherel.mVmodetheoffsetvalueissubtractedfromthemeasuredvalue.EitheranoffsetvaluecanbeenteredoritcanbedeterminebymeasuringthemVofareferencesample.
Offsetvalue EnteranoffsetvalueinmVbetween-1999.9and+1999.9mV.
31Menusandsettings
Testareferencesample1 Placeelectrodeintothereferencesample.
2 PressStarttobeginthereferencemeasurementandwaituntilthemeasurementdisplayfreezes.—or—
3 PressREADtomanuallyendthemeasurement.
4 PressSavetoenterthemeasuredmVvalueasoffsetintothemeter.
6.5 EndpointformatsAuto
Withtheautomaticendpointtheselectedstabilitycriteriondeterminestheendofanindividualreadingdependingonthebehaviorofthesensorused.Thisensuresaneasy,quickandprecisemeasurement.
1 Placesensorinthesample.
2 PressREAD.
Aappearsonthedisplay.
Themeasurementendsautomaticallywhenthemeasuredvalueisstable. appears.
IfREADispressedbeforethesignalisstable,theendpointformatchangestomanual .
Manual
UnlikeAuto,userinteractionisrequiredtostopthemeasurementreadinginmanualmode.1 Placesensorinthesample.
2 PressREAD.
Mappearsonthedisplay.
appearsonthedisplaytosignalizemeasurementstability.
3 PressREADtoendthemeasurement. appears.
Timed
Themeasurementstopsafterthesettime,whichcanbesetbetween5sand3600s.
1 Placesensorinthesample.
2 PressREAD.
Tappearsonthedisplay.
appearsonthedisplaytosignalizemeasurementstability.
Themeasurementendsautomaticallywhenthesettimeperiodexpires. appears.
IfREADispressedbeforethesignalisstable,theendpointformatchangestomanual .
InformationonthedisplayThefollowingsymbolsappearinthedisplay,dependingontheendpointsetting.
32 Menusandsettings
1Theactualendpointformat(lastcolumn)andnotthepreselectedisstoredwiththedata.
6.6 TimedIntervalReadingsAreadingistakeneverytimeafteracertaininterval(1–2400s)definedinthemenuhaselapsed.Whenworkinginthetimed-intervalreadingmode,theintervalcanbedefinedbyenteringtheseconds.ThemeasurementseriesstopsaccordingtotheselectedendpointformatormanuallybypressingREAD.Whentimed-intervalreadingis“on”,theDLicon appears.
Thereadingscanbestoredinthememory,transferredtotheinterfaceorboth.
6.7 Temperaturesettings SetMTCtemperature
Ifthemeterdoesnotdetectatemperatureprobe,MTCappearsonthedisplay.Inthiscasethesampletemperatureshouldbeenteredmanually.AnMTCvaluebetween-30°Cand130°Ccanbeentered.
TemperatureunitSelectthetemperatureunit:°Cor°F.Thetemperaturevalueisautomaticallyconvertedbetweenthetwounits.
TheinstrumentworkswithNTC30kΩandPt1000temperaturesensors.Youcanselectbe-tweenautomaticrecognitionormanualselectionofthetemperaturesensortype.Fortemper-aturesbelow100°CtheinstrumentcanreliablydistinguishbetweenNTC30kΩandPt1000.Athighertemperatures,however,itisnecessarytosetthetypeoftemperaturesensormanual-lytoavoidmistakes.
6.8 MeasurementlimitsTheupperandlowerlimitsformeasurementdatacanbedefined.Ifalimitiseithernotreachedorexceeded(inotherwords,lessthanorgreaterthanaspecificvalue),awarningisdisplayedonthescreenandmaybeaccompaniedbyanacousticsignal.Themessage“outsidelimits”alsoap-pearsontheGLPprintout.
33Menusandsettings
7 Datamanagement
7.1 Menustructureofdatamenu
1. Measurementdata
1.1 Review
1.2 Transfer
1.3 Delete
1.4 ExporttoUSB-stick
2. Calibrationdata
2.1 pH
2.1.1 Review
2.1.2 Transfer
2.1.3 Delete
2.1.4 ExporttoUSB-stick
2.2 Ion
2.2.1 Review
2.2.2 Transfer
2.2.3 Delete
2.2.4 ExporttoUSB-stick
3. ISMDaten
3.1 InitialCalibrationData
3.2 CalibrationHistory
3.3 MaximumTemperature
3.4 ResetISM
7.2 Measurementdata
Review
AllAllstoredmeasurementdatacanbereviewed;themostrecentdatasavedappearsonthedisplay.
PressTransfertosendthemeasurementdata(currentsingleset)totheprinterorPC.
PartialThemeasurementdatacanbefilteredaccordingto3criteria.
Memorynumber(fromMXXXXtoMXXXX) SampleID Measurementmode
Memorynumber1 EnterthememorynumbersofthedataandpressSelect.
Themeasurementdataisdisplayed.
2 Scrollthroughthemeasurementdatatoreviewallmeasurementsbetweenthetwomemorynumbers.
34 Datamanagement
3 PressTransfertosendthemeasurementdata(currentsingleset)totheprinterorPC.
SampleID1 EnterthesampleIDandpressOK.
ThemeterfindsallstoredmeasurementswiththissampleID.
2 ScrollthroughthemeasurementdatatoreviewallmeasurementswiththeenteredsampleID.
3 PressTransfertosendthemeasurementdata(currentsingleset)totheprinterorPC.
Measurementmode1 Selectameasurementmodefromlist.Themeterfindsallstoredmeasurementsoftheselect-
edmeasurementmode.
2 Scrollthroughthemeasurementdataoftheselectedmeasurementmode.
3 PressTransfertosendthemeasurementdata(currentsingleset)totheprinterorPC.
TransferAllorpartiallystoredmeasurementdatacanbetransferredbyfilteringthemeasurementdata.Thefilterworksasdescribedabovein“Review”.
PressSelecttosendthefilteredmeasurementdatatotheprinterorPC.
DeleteAllorpartiallystoredmeasurementdatacanbedeletedbyfilteringthemeasurementdata.Thefilterworksasdescribedabovein“Review”.
DeletionisprotectedbyaPIN.Upondelivery,thePINissetto000000.ChangethePINcodetopreventunauthorizedaccess.
ExporttoUSB-stickAllorpartiallystoredmeasurementdatacanbetransferredtoaUSB-stick.Thefilterworksasde-scribedabovein“Review”.Moreinformationaboutthefileformatisgivenin“Operatingthemeter:Datatransfer”
PressTransfertoexportthefilteredmeasurementdatatotheUSB-stick.
7.3 CalibrationdataCalibrationdatacanbereviewed,transferredanddeleted.ThelatestcalibrationpersensorIDisstoredinthememory.WhenusingISM-Sensors,thelatest5calibrationdatacanbeviewed/printed(See“Datamanagement:ISMdata”).
Review1 PressSelect.
AlistofcalibratedsensorIDsappears.
2 SelectasensorIDfromthelist.
ThecalibrationdataisshownforthissensorID—or—
3 PressandholdCALfor3secondsinthemeasurementscreen.
4 PressTransfertosendthedisplayedcalibrationdatatoaprinterorPC.
35Datamanagement
Transfer1 PressSelect.
AlistofcalibratedsensorIDsappears.
2 SelectasensorIDfromthelist.
ThecalibrationdataoftheselectedsensorIDistransferredtoaprinterorPC.
Delete1 PressSelect.
AlistofsensorIDsappears.
2 SelectasensorIDfromthelist.
3 PressYeswhenthemessage“Selecteddatawillbedeleted.Pleaseconfirm”appears.—or—
4 PressExittocancel.
Afterdeletion,thesensorIDdisappearsfromthelistinthesensorIDmenu.
AnactivesensorIDcannotbedeleted. ThismenuisprotectedbyadeletionPINcode.Upondelivery,thePINcodeissetto000000.
ChangethePINcodetopreventunauthorizedaccess.
ExporttoUSB-stickStoredcalibrationdatapersensorIDcanbetransferredtoaUSB-stick.
1 PressSelect.
2 SelectasensorIDfromthelist.
3 PressTransfertoexportthecalibrationdataoftheselectedsensorIDtotheUSB-stick.
7.4 ISMdataSevenCompactmeterincorporatesIntelligentSensorManagement(ISM®)technology.Thisinge-niousfunctionalityprovidesextrasecurity,safetyandeliminatesmistakes.Themostimportantfea-turesare:
Extrasecurity!
AfterconnectingtheISM®sensor,thesensorisautomaticallyrecognizedandthesensorIDandserialnumberaretransferredfromthesensorchiptothemeter.ThedataisalsoprintedontheGLPprintout.
AftercalibrationoftheISM®sensor,thecalibrationdataisautomaticallystoredfromthemetertothesensorchip.Themostrecentdataisalwaysstoredwhereitshouldbe–onthesensorchip!
Extrasafety!
AfterconnectingtheISM®sensor,thefivemostrecentcalibrationsaretransferredtothemeter.Thesecanbereviewedtoseethedevelopmentofthesensorovertime.Thisinformationprovidesanindicationifthesensorshouldbecleanedorrenewed.
Eliminatemistakes!
AfterconnectinganISM®sensor,thelastsetofcalibrationdataisautomaticallyusedformeasure-ments.
Additionalfeaturesaredescribedbelow.
36 Datamanagement
InitialcalibrationdataWhenanISM®sensorisconnected,theinitialcalibrationdatainthesensorcanbereviewedortransferred.Thefollowingdataisincluded:
Responsetime Temperaturetolerance Membraneresistance Slope(atpH7)andoffset Type(andname)ofelectrode(forexample,InLabExpertProISM®) Serialnumber(SN)andordering(ME)number Productiondate
CalibrationhistoryThelast5calibrationsdatastoredinISM®sensorincludingcurrentcalibrationcanbereviewedortransferred.
MaximumtemperatureThemaximumtemperaturethattheISM®sensorhasbeenexposedtoduringmeasurementismon-itoredautomaticallyandcanbereviewedfortheevaluationoftheelectrodelifetime.
ResetISM®Thecalibrationhistoryinthismenucanbedeleted.ThismenuisprotectedbyadeletionPIN.Upondelivery,thePINfordeletionissetto000000.ChangethePINtopreventunauthorizedaccess.
37Datamanagement
8 Maintenance
8.1 MetermaintenanceNeverunscrewthetwohalvesofthehousing!
Themetersdonotrequireanymaintenanceotherthananoccasionalwipewithadampcloth.Thehousingismadeofacrylonitrilebutadienestyrene/polycarbonate(ABS/PC).Thismaterialissensi-tivetosomeorganicsolvents,suchastoluene,xyleneandmethylethylketone(MEK).
Anyspillageshouldbewipedoffimmediately.
8.2 ElectrodemaintenanceMakesurethepHelectrodeisalwayskeptfilledwiththeappropriatefillingsolution.
Formaximumaccuracy,anyfillingsolutionthatmayhave“crept”andencrustedtheoutsideoftheelectrodeshouldberemovedwithdeionizedwater.
Alwaysstoretheelectrodeaccordingtothemanufacturer’sinstructionsanddonotallowittodryout.
Iftheelectrodeslopefallsrapidly,oriftheresponsebecomessluggish,thefollowingproceduresmayhelp.Tryoneofthefollowing,dependingonyoursample.Problem Action
Fatoroilbuild-up Degreasethemembranewithcottonwoolsoakedineitheracetoneorasoapsolution.
pHsensormembranehasdriedout Soakthetipoftheelectrodeovernightin0.1MHCl
Proteinbuild-upinthediaphragmofapHsen-sor
RemovedepositsbysoakingtheelectrodeinanHCl/pepsinsolution.
SilversulfidecontaminationofpHsensor Removedepositsbysoakingelectrodeinathioureasolution.
Runanewcalibrationaftertreatment.
NoteCleaningandfillingsolutionsshouldbehandledwiththesamecareasthatgiventotoxicorcorro-sivesubstances.
8.3 Disposal
IncompliancewithEuropeanDirective2002/96/EConWasteElectricalandElectronicEquipment(WEEE),thisinstrumentmustnotbedisposedoftogetherwithdomesticwaste.ThisalsoappliestocountriesoutsidetheEU,pertheirspecificrequirements.Pleasedisposeofthisproductinaccordancewithlocalregulationsatthecollectingpointspecifiedforelectricalandelectronicequipment.
Ifyouhaveanyquestions,pleasecontacttheresponsibleauthorityorthedistributorfromwhichyoupurchasedthisinstrument.
Shouldthisinstrumentbepassedontootherparties(forprivateorprofes-sionaluse),thecontentofthisregulationmustalsoberelated.
Thankyouforyourcontributiontoenvironmentalprotection.
38 Maintenance
8.4 ErrormessagesMessage DescriptionandResolution
pH/mV/ion/temperatureexceedsmax.limitpH/mV/ion/temperaturebelowmin.limit
Memoryisfull
Pleasecalibrateelectrode
Activesensorcannotbedeleted
Wrongbuffer
SlopeoutofrangeOffsetoutofrange
Measurementlimitsareactivatedinthemenusettingsandmeasuredvalueisoutsidetheselimits.
Checkthesample. Checksampletemperature. MakesurethatthepHelectrodewettingcaphas
beenremovedandthattheelectrodeisproperlycon-nectedandplacedinthesamplesolution.
Max.1000measurementdatacanbestoredinthememory.
Deleteallorpartialdatainthememory,otherwiseyouwillnotbeabletostorenewmeasurementdata.
Calibrationreminderhasbeenswitchedoninthemenusettingsandlastcalibrationhasexpired.
Calibratetheelectrode.
DeletingthecalibrationdataoftheselectedsensorIDisnotpossible,becauseitiscurrentlytheactivesensorIDinthemetershownonthedisplay.
EnternewsensorIDinthemenusettings. SelectanothersensorIDfromthelistinthemenu
settings.
Metercannotrecognizethebufferorstandard/bufferhasbeenusedtwiceforcalibration/twobuffersdifferlessthan60mV.
Makesurethatyouhavethecorrectbufferandthatitisfresh.
Makesurethatthebufferhasnotbeenusedmorethanonceduringthecalibration.
Thecalibrationresultisoutsidethefollowinglimits:Slope<85%or>110%,Offset<-60mVor>+60mV.
Makesurethatyouhavethecorrectbufferandthatitisfresh.
CheckmVsignalofelectrode,cleanorreplacetheelectrode.
Standardtemp.outofrange
Buffertemp.outofrange
TheATCmeasuredtemperatureisoutofpHcalibrationbufferrange:5…50°C.
Keepthebuffer/standardtemperaturewithintherange.
Changethetemperaturesetting.
39Maintenance
Message DescriptionandResolution
Temperaturediffersfromsetting
ISM®sensorcommunicationerror DatahasnotbeentransferredcorrectlybetweenISM®sensorandmeter.ReconnecttheISM®sensorandtryagain.
Self-testfailure
Wrongsettings
Outofrange
Wrongpassword
Passwordsdonotmatch
Programmemoryerror
ATCmeasuredtemperaturediffersbymorethan0.5°Cfromtheuser-definedvalue/temperaturerange.
Keepthebuffer/standardtemperaturewithintherange.
Changethetemperaturesetting.
Self-testhasnotbeencompletedwithin2minutesorme-terisdefective.
Restartself-testandfinishwithin2minutes. ContactMETTLERTOLEDOserviceifproblemper-
sists.
Enteredvaluediffersbylessthan1pHunit/5°Cfromoth-erpresetvalues.
Enterahigher/lowervalueinordertogetabiggerdifference.
Eitherenteredvalueisoutofrange.
Enteravaluewhichiswithintherangeshownondisplay.
or
Measuredvalueoutofrange.
Makesuretheelectrodewettingcaphasbeenre-movedandthattheelectrodeisproperlyconnectedandplacedinthesamplesolution.
Ifnoelectrodeisconnected,puttheshortingclipinthesocket.
TheenteredPINisnotcorrect.
Re-enterthePIN. Resettofactorysettings,alldataandsettingswill
belost.
TheconfirmationPINdoesnotmatchwiththeenteredPIN.
ReenterPIN.
Meterrecognizesinternalerrorduringstart-up.
Switchthemeteroffandbackon. ContactMETTLERTOLEDOserviceiftheproblemper-
sists.
40 Maintenance
Message DescriptionandResolution
Datamemoryerror
Nomatchingdatafoundinmemory
SensorIDalreadyexists,previousSNwillbeoverwritten
Updatefailed
Exportfailed
Thedatacouldnotbestoredintomemory.
Switchthemeteroffandbackon. ContactMETTLERTOLEDOserviceiftheproblemper-
sists.
Theenteredfiltercriteriondoesnotexist.
Enteranewfiltercriterion.
TwosensorswiththesameIDbutdifferentSNarenotal-lowedinthemeter.IfadifferentSNhasbeenenteredforthissensorIDpreviously,theoldSNwillbeoverwritten.
EnteradifferentSensorIDinordertokeeptheprevi-ousIDandSN.
Thesoftwareupdateprocessfailed.Thiscouldbeduetothefollowingreasons:
TheUSBstickisnotconnectedoritisdisconnectedduringtheupdateprocess
Theupdatesoftwareisnotinthecorrectfolder
Theexportingprocessfailed.Thiscouldbeduetothefol-lowingreasons:
TheUSBstickisnotconnectedoritisdisconnectedduringtheexportingprocess
TheUSBstickisfull
8.5 ErrorlimitsMessage Rangenotaccepted
Outofrange,determineagain pH <-2.000or>20.000mV <-2000.0or>2000.0
Buffer/standardtemp.outofrange T(pH) <5or>50°COffsetoutofrange |Eref1-Eb|>60mVSlopeoutofrange Slope<85%or>110%Wrongbuffer I∆Eref1I<10mVInvalidpHforuser-definedbuffer I∆pHI<1pHATCmeasuredtemperatureisdifferenttotheuser-definedvalue
|T(ATC)T(buffer)|>1°C
41Maintenance
9 Sensors,solutionsandaccessoriesParts OrderNo.
ISM®sensorswithmulti-pinheadInLab®MicroProISM,3-in-1pHsensor,glassshaft,5mmshaftdiameter,ATC,refillable
51344163
InLab®PowerProISM,3-in-1pHsensor,glassshaft,ATC,pressurizedSteadyForce™referencesystem
51344112
InLab®PureProISM,3-in-1pHsensor,glassshaft,immovableglasssleeve,ATC,refillable
51344172
InLab®RoutineProISM,3-in-1pHsensor,glassshaft,ATC,refillable 51344055InLab®ScienceProISM,3-in-1pHsensor,glassshaft,movableglasssleeve,ATC,refillable
51344072
InLab®SolidsProISM,3-in-1pHsensor,glassshaft,openjunction,sharpmembrane,ATC
51344155
ISM®cable-2m 51344291ISM®cable-5m 51344292
Parts OrderNo.
SolutionspH2.00buffersolution,250mL 51350002pH2.00buffersolution,6x250mL 51350016pH4.01buffersachets,30x20mL 51302069pH4.01buffersolution,250mL 51350004pH4.01buffersolution,6x250mL 51350018pH7.00buffersachets,30x20mL 51302047pH7.00buffersolution,250mL 51350006pH7.00buffersolution,6x250mL 51350020pH9.21buffersachets,30x20mL 51302070pH9.21buffersolution,250mL 51350008pH9.21buffersolution,6x250mL 51350022pH10.01buffersachets,30x20mL 51302079pH10.01buffersolution,250mL 51350010pH10.01buffersolution,6x250mL 51350024pH11.00buffersolution,250mL 51350012pH11.00buffersolution,6x250mL 51350026RainbowI(3x10sachets20mL4.01/7.00/9.21) 51302068RainbowII(3x10sachets20mL4.01/7.00/10.01) 51302080HCl/Pepsinsolution(removesproteincontamination) 51350100ReactivationsolutionforpHelectrodes 51350104Thioureasolution(removessilversulfidecontamination) 51350102
Parts OrderNo.
CommunicationRS-P25printer 11124300RS-P26printer 11124303RS-P28printer 11124304Barcodereader 21901297USBCableforBarcodereader 21901309
42 Sensors,solutionsandaccessories
Parts OrderNo.
LabX®directpHPCsoftware 51302876
Parts OrderNo.
GuidesGuidetoionselectivemeasurement 51300075GuidetopHmeasurement 51300047
43Sensors,solutionsandaccessories
10 SpecificationsS220pHmeterMeasurementrange pH -2.000…20.000
mV -2000.0…2000.0mVpHATC -5…130°CpHMTC -30…130°CIon
Resolution pH 0.1/0.01/0.001mV 1/0.1pHTemperature 0.1°CIon 3or4digits
LimitsoferrorpH ±0.002pH±0.2mV±0.1°C
Limitsoferrorion ±0.5%(thislimitonlyappliesformeter)
pHcalibration Upto5pointsIsopotentialpoint pH7.00pHCalibrationbuffer 7predefinedgroups 1user-definedgroupof5buf-
fersOutputs RS232,USBA,USBBPowerrequirements DC9-12V-10WSize/weight 204x174x74mm
890gDisplay TFTpHinput BNC,
impedance>3*10e+12Ω
Temperatureinput RCA(Cinch),NTC30kΩ,Pt1000
Digitalsensorinput Mini-LTWAmbientconditions Temperature 5…40°C
Relativehumidity 5%...80%(non-condensing)Installationcategory IIPollutiondegree 2Altitude Upto2000mabovesealevel
Materials Housing ABS/PCreinforcedWindow Polymethylmethacrylate
(PMMA)Keypad Membranekeypad:Polyethe-
leneterephtalate(PET)
0.000…1000.0%
0.000...10000ppm
1.00E-9...9.99E+9mg/L
1.00E-9...9.99E+9mmol/L
1.00E-9...9.99E+9mol/L
44 Specifications
11 Appendix
11.1 BuffertablesThemetersautomaticallycorrectforthetemperaturedependenceofthepHbufferusingthevaluesgiveninthetablesbelow.
11.1.1 Buffergroup1(ref.25°C)METTLERTOLEDOUS
5 7.09 4.00 10.25 1.67
10 7.06 4.00 10.18 1.67
15 7.04 4.00 10.12 1.67
20 7.02 4.00 10.06 1.68
25 7.00 4.00 10.01 1.68
30 6.99 4.01 9.97 1.68
35 6.98 4.02 9.93 1.69
40 6.97 4.03 9.89 1.69
45 6.97 4.04 9.86 1.70
50 6.97 4.06 9.83 1.71
11.1.2 Buffergroup2(ref.25°C)METTLERTOLEDOEurope(defaultbuffer)
5 7.09 4.01 9.45 2.02 11.72
10 7.06 4.00 9.38 2.01 11.54
15 7.04 4.00 9.32 2.00 11.36
20 7.02 4.00 9.26 2.00 11.18
25 7.00 4.01 9.21 2.00 11.00
30 6.99 4.01 9.16 1.99 10.82
35 6.98 4.02 9.11 1.99 10.64
40 6.97 4.03 9.06 1.98 10.46
45 6.97 4.04 9.03 1.98 10.28
50 6.97 4.06 8.99 1.98 10.10
45Appendix
11.1.3 Buffergroup3(ref.20°C)Merckstandardbuffers
5 7.07 4.04 9.16 2.01 12.41
10 7.05 4.02 9.11 2.01 12.26
15 7.02 4.01 9.05 2.00 12.10
20 7.00 4.00 9.00 2.00 12.00
25 6.98 4.01 8.95 2.00 11.88
30 6.98 4.01 8.91 2.00 11.72
35 6.96 4.01 8.88 2.00 11.67
40 6.95 4.01 8.85 2.00 11.54
45 6.95 4.01 8.82 2.00 11.44
50 6.95 4.00 8.79 2.00 11.33
11.1.4 Buffergroup4(ref.25°C)DIN(19266)
5 6.95 4.00 9.40 1.67
10 6.92 4.00 9.33 1.67
15 6.90 4.00 9.28 1.67
20 6.88 4.00 9.22 1.68
25 6.86 4.01 9.18 1.68
30 6.85 4.02 9.14 1.68
35 6.84 4.02 9.10 1.69
40 6.84 4.04 9.07 1.69
45 6.83 4.05 9.04 1.70
50 6.83 4.06 9.01 1.71
11.1.5 Buffergroup5(ref.25°C)DIN(19267)
5 1.08 4.67 6.87 9.43 13.63
10 1.09 4.67 6.84 9.37 13.37
15 1.09 4.66 6.82 9.32 13.16
20 1.09 4.66 6.80 9.27 12.96
25 1.09 4.65 6.79 9.23 12.75
30 1.10 4.65 6.78 9.18 12.61
35 1.10 4.65 6.77 9.13 12.45
40 1.10 4.66 6.76 9.09 12.29
45 1.10 4.67 6.76 9.04 12.09
50 1.11 4.68 6.76 9.00 11.98
46 Appendix
11.1.6 Buffergroup6(ref.25°C)JJG(Chinese)
5 1.669 3.999 6.949 9.391 13.210
10 1.671 3.996 6.921 9.330 13.011
15 1.673 3.996 6.898 9.276 12.820
20 1.676 3.998 6.879 9.226 12.637
25 1.680 4.003 6.864 9.182 12.460
30 1.684 4.010 6.852 9.142 12.292
35 1.688 4.019 6.844 9.105 12.130
40 1.694 4.029 6.838 9.072 11.975
45 1.700 4.042 6.834 9.042 11.828
50 1.706 4.055 6.833 9.015 11.697
11.1.7 Buffergroup7(ref.25°C)TechnicalBuffer
5 2.02 4.01 7.09 10.65
10 2.01 4.00 7.06 10.39
15 2.00 4.00 7.04 10.26
20 2.00 4.00 7.02 10.13
25 2.00 4.01 7.00 10.00
30 1.99 4.02 6.99 9.87
35 1.99 4.02 6.98 9.74
40 1.98 4.03 6.97 9.61
45 1.98 4.04 6.97 9.48
50 1.98 4.06 6.97 9.35
11.1.8 Buffergroup8(ref.25°C)JISZ8802(Japanese)
5 1.668 3.999 6.951 9.395
10 1.670 3.9998 6.923 9.332
15 1.672 3.999 6.900 9.276
20 1.675 4.002 6.881 9.225
25 1.679 4.008 6.865 9.180
30 1.683 4.015 6.853 9.139
35 1.688 4.024 6.844 9.102
40 1.694 4.035 6.838 9.068
45 1.700 4.047 6.834 9.038
50 1.704 4.060 6.833 9.011
47Appendix