Metrohm 914 pH / Conductometer Bedienungsanleitung Seite 1

pH Meter/Conductometer912 Conductometer | 913 pH Meter | 914 pH/ConductometerManual8.912.8001EN / 2014-06-30

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭1 IntroductionpH Meter/Conductometer￭￭￭￭￭￭￭￭11 IntroductionThis manual gives you a comprehensive overview of the installation,

1.1 Instrument description￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭2￭￭￭￭￭￭￭￭pH Meter/Conductometer1.1.1 Model and sales versionspH Meter/Conductometer instruments are a

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭1 IntroductionpH Meter/Conductometer￭￭￭￭￭￭￭￭31.1.3 InterfacesYou can connect a printer or establish a connection with a PC for

1.4 Safety instructions￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4￭￭￭￭￭￭￭￭pH Meter/ConductometerFile ▶ New Menu or menu item[Next] Button or keyWARNINGThis symbol draws a

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭1 IntroductionpH Meter/Conductometer￭￭￭￭￭￭￭￭51.4.2 Electrical safetyThe electrical safety when working with the instrument is e

1.4 Safety instructions￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6￭￭￭￭￭￭￭￭pH Meter/Conductometer1.4.3 Flammable solvents and chemicalsWARNINGAll relevant safety measures

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭2 Overview of the instrumentpH Meter/Conductometer￭￭￭￭￭￭￭￭72 Overview of the instrumentFigure 1 pH Meter/Conductometer - front1

2.1 Instrument connectors￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭8￭￭￭￭￭￭￭￭pH Meter/Conductometer2.1 Instrument connectors2.1.1 912 ConductometerFigure 2 912 Conductom

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭2 Overview of the instrumentpH Meter/Conductometer￭￭￭￭￭￭￭￭92.1.3 914 pH/Conductometer ISFigure 4 914 pH/Conductometer (digital)

2.2 Application environment￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭10￭￭￭￭￭￭￭￭pH Meter/Conductometer2.2 Application environmentpH Meter/Conductometer instruments have b

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭2 Overview of the instrumentpH Meter/Conductometer￭￭￭￭￭￭￭￭112.2.2 Mobile applicationFor mobile application, pH Meter/Conductome

3.1 Unpacking and inspecting the instrument￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭12￭￭￭￭￭￭￭￭pH Meter/Conductometer3 Installation3.1 Unpacking and inspecting the inst

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 InstallationpH Meter/Conductometer￭￭￭￭￭￭￭￭13CAUTIONUnauthorized manipulationsThe instrument may be damaged as a result of unau

3.2 Power supply￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭14￭￭￭￭￭￭￭￭pH Meter/ConductometerIf no power socket is available, you can also charge your instrument viathe USB

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 InstallationpH Meter/Conductometer￭￭￭￭￭￭￭￭15NOTECharging the battery with power supplyThe battery will not be overcharged if t

3.4 Connecting a printer￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭16￭￭￭￭￭￭￭￭pH Meter/Conductometer3.4 Connecting a printerPrinters for report output are connected with t

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 InstallationpH Meter/Conductometer￭￭￭￭￭￭￭￭17￭ Spanish￭ French￭ Portuguese￭ ChineseSetting the LanguageYou can access the menu

3.5 Initial configuration￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭18￭￭￭￭￭￭￭￭pH Meter/ConductometerSetting the date/timeYou can access the menu structures via the Menu it

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 InstallationpH Meter/Conductometer￭￭￭￭￭￭￭￭193.6 Installing updatesStay up to date – download the latest versions of the softw

Metrohm AGCH-9100 HerisauSwitzerlandPhone +41 71 353 85 85Fax +41 71 353 89 [email protected] Meter/Conductometer912 Conductometer |

3.6 Installing updates￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭20￭￭￭￭￭￭￭￭pH Meter/ConductometerNOTESwitching on the instrumentThe USB connection works only when the inst

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭214 Operation4.1 Switching the instrument on and offSwitching on the instrumentProcee

4.2 Displays￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭22￭￭￭￭￭￭￭￭pH Meter/ConductometerMain dialog The main dialog (example: both measuring channels displayed) is the nor-

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭23NOTECapital letters and special charactersYou can insert capital letters and special

4.3 Status displays￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭24￭￭￭￭￭￭￭￭pH Meter/Conductometer4.3 Status displaysThe main dialog displays contain corresponding graphical

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭254.3.3 Sensor quality for pH electrodesThe sensor quality is indicated with three col

4.5 Basic operation￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭26￭￭￭￭￭￭￭￭pH Meter/ConductometerNOTECalibrationA sensor can only be calibrated in the corresponding one-chann

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭27Figure 13 Operation - main dialog, two-channel1Battery state of charge(see Chapter 4.

4.5 Basic operation￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭28￭￭￭￭￭￭￭￭pH Meter/ConductometerFigure 14 Operation - main dialog, one-channel1Battery state of charge(see Ch

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭29 2Use the key to change to the menu structures.Toggling from one-channel to two-cha

TeachwareMetrohm AGCH-9100 [email protected] documentation is protected by copyright. All rights reserved.Although all the information

4.5 Basic operation￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭30￭￭￭￭￭￭￭￭pH Meter/ConductometerFigure 15 Operation - menu dialog1Menu titleThe menu title indicates which me

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭31Figure 16 Operation - editing dialog1Menu title2Menu line3Data field4Selectable chara

4.5 Basic operation￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭32￭￭￭￭￭￭￭￭pH Meter/Conductometer4.5.6 Selection dialogIn selection dialogs, you can select and apply fixed d

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭334.6 Menu structurespH Meter/Conductometer instruments contain different menu struc-t

4.6 Menu structures￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭34￭￭￭￭￭￭￭￭pH Meter/Conductometer4.6.1 912 ConductometerTable 2 912 Conductometer – menu structuresMenu Param

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭354.6.2 913 pH MeterTable 3 913 pH Meter – menu structuresMenu Parameters pH/U/TParame

4.6 Menu structures￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭36￭￭￭￭￭￭￭￭pH Meter/Conductometer4.6.3 914 pH/Conductometer ISTable 4 914 pH/Conductometer IS – menu structur

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭374.6.4 914 pH/ConductometerTable 5 914 pH/Conductometer – menu structuresMenu Paramet

4.7 Menu dialogs￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭38￭￭￭￭￭￭￭￭pH Meter/Conductometer4.7 Menu dialogs4.7.1 Parameters pH/U/T and Parameters pH/U/T ISThe Parameters

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭39Buffer typeSelection dialog for selecting the buffer type.￭ Available buffers and the

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭Table of contentspH Meter/Conductometer￭￭￭￭￭￭￭￭IIITable of contents1 Introduction 11.1 Instrument description ...

4.7 Menu dialogs￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭40￭￭￭￭￭￭￭￭pH Meter/ConductometerTemperatureEditing dialog for the manual entry of the calibration temperature.￭

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭41￭ print: ￭ save: ￭ print+save: CriterionSelection dialog to indicate when the Measure

4.7 Menu dialogs￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭42￭￭￭￭￭￭￭￭pH Meter/Conductometer￭ drift-dependentThe measured value will be applied when the value is stable acc

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭43NOTEExtent of the menu dialogDepending on the instrument version and the sensor type,

4.7 Menu dialogs￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭44￭￭￭￭￭￭￭￭pH Meter/ConductometerOnly displayed for iTrodes.Serial numberEditing dialog for the entry/modificatio

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭45￭ on￭ off: is the default settingpHSlope lower limit Editing dialog for the entry of

4.7 Menu dialogs￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭46￭￭￭￭￭￭￭￭pH Meter/Conductometer￭ Default value: 100.00 / input range: 0.10 - 999.99%pHpH(0)Editing dialog for t

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭47￭ off: is the default settingKc lower limit Editing dialog for the entry of the lower

4.7 Menu dialogs￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭48￭￭￭￭￭￭￭￭pH Meter/Conductometer￭ Seiko (ESC-POS)Roll printer with paper width 110 mm￭ Citizen ESC-POS)Roll prin

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭49BrightnessSelection dialog for the display Brightness.￭ 100 %￭ 80 %￭ 60 %￭ 40 %￭ 20 %

Table of contents￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭IV￭￭￭￭￭￭￭￭pH Meter/Conductometer4 Operation 214.1 Switching the instrument on and off ...

4.8 pH measurement￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭50￭￭￭￭￭￭￭￭pH Meter/Conductometer4.8 pH measurementThis chapter describes the required steps to carry out a si

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭51￭ Immerse the pH electrode in the second buffer solution and con-tinue the calibratio

4.8 pH measurement￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭52￭￭￭￭￭￭￭￭pH Meter/Conductometer4.8.2 MeasurementNOTEMeasured value criteriaYou can set the various criteria

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭53NOTEMeasured value recordingDepending on the settings of the measured value criterion

4.9 Conductivity measurement￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭54￭￭￭￭￭￭￭￭pH Meter/Conductometer￭ Start the calibration with the key.￭ Rinse the conductivity sens

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭55￭ If the measured value found is to be directly printed out as a mea-sured value repo

4.10 Outputting reports/measured values￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭56￭￭￭￭￭￭￭￭pH Meter/Conductometer4.10 Outputting reports/measured valuesThe pH Meter/Cond

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 OperationpH Meter/Conductometer￭￭￭￭￭￭￭￭57NOTEData outputFor a data output, save or print+save has to be set for the recordingo

4.10 Outputting reports/measured values￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭58￭￭￭￭￭￭￭￭pH Meter/Conductometer 2Connecting the instrument to the PCConnect the instrume

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation and maintenancepH Meter/Conductometer￭￭￭￭￭￭￭￭595 Operation and maintenance5.1 General notes5.1.1 CarepH Meter/Con

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭Table of contentspH Meter/Conductometer￭￭￭￭￭￭￭￭V6 Troubleshooting 616.1 General ...

5.2 Quality management and qualification with Metrohm￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭60￭￭￭￭￭￭￭￭pH Meter/Conductometer5.2 Quality management and qualification w

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6 TroubleshootingpH Meter/Conductometer￭￭￭￭￭￭￭￭616 Troubleshooting6.1 GeneralIf you experience problems during measurements, t

6.2 Problems￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭62￭￭￭￭￭￭￭￭pH Meter/Conductometer6.2 ProblemsThe following list describes some general problems that might occur dur

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6 TroubleshootingpH Meter/Conductometer￭￭￭￭￭￭￭￭63Problem Cause RemedyThe pH value or the tem-perature of the measuringsolution i

6.3 Restarting/resetting the instrument￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭64￭￭￭￭￭￭￭￭pH Meter/ConductometerProblem Cause RemedyNo hydrated layer is pres-ent on the

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6 TroubleshootingpH Meter/Conductometer￭￭￭￭￭￭￭￭65￭ ＋ ￭ Afterwards, a message will be displayed saying that the user data hasbee

7.1 Saved buffer series￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭66￭￭￭￭￭￭￭￭pH Meter/Conductometer7 Appendix7.1 Saved buffer seriesThe temperature-dependent pH values of

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 AppendixpH Meter/Conductometer￭￭￭￭￭￭￭￭677.1.1 MetrohmTable 6 Metrohm buffer solutionsTemp.(°C)MetrohmpH4.00pH7.00pH9.000 3.99

7.1 Saved buffer series￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭68￭￭￭￭￭￭￭￭pH Meter/Conductometer7.1.2 NIST (according to DIN standard 19266, 2000)Table 7 NIST buffer so

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 AppendixpH Meter/Conductometer￭￭￭￭￭￭￭￭697.1.3 DIN (according to DIN standard 19267, 2012)Table 8 DIN buffer solutionsTemp.(°C

Table of contents￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭VI￭￭￭￭￭￭￭￭pH Meter/Conductometer10 Accessories 86Glossary 88Index 89

7.1 Saved buffer series￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭70￭￭￭￭￭￭￭￭pH Meter/Conductometer7.1.4 FisherTable 9 Fisher buffer solutionsTemp.(°C)FisherpH2.00pH4.00pH

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 AppendixpH Meter/Conductometer￭￭￭￭￭￭￭￭717.1.5 Mettler ToledoTable 10 Mettler Toledo buffer solutionsTemp.(°C)Mettler ToledopH

7.1 Saved buffer series￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭72￭￭￭￭￭￭￭￭pH Meter/Conductometer7.1.6 Merck CertiPUR 20 / TitrisolTable 11 Merck CertiPUR 20 / Titrisol

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 AppendixpH Meter/Conductometer￭￭￭￭￭￭￭￭737.1.7 Merck CertiPUR 25Table 12 Merck CertiPUR 25 buffer solutionsTemp.(°C)Merck Cert

7.1 Saved buffer series￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭74￭￭￭￭￭￭￭￭pH Meter/Conductometer7.1.8 BeckmannTable 13 Beckmann buffer solutionsTemp.(°C)BeckmannpH4.00p

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 AppendixpH Meter/Conductometer￭￭￭￭￭￭￭￭757.1.9 RadiometerTable 14 Radiometer buffer solutionsTemp.(°C)RadiometerpH4.010pH7.000

7.1 Saved buffer series￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭76￭￭￭￭￭￭￭￭pH Meter/Conductometer7.1.10 BakerTable 15 Baker buffer solutionsTemp.(°C)BakerpH4.00pH7.00pH9

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 AppendixpH Meter/Conductometer￭￭￭￭￭￭￭￭777.1.11 Hamilton DURACALTable 16 Hamilton DURACAL buffer solutionsTemp.(°C)Hamilton DU

7.1 Saved buffer series￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭78￭￭￭￭￭￭￭￭pH Meter/Conductometer7.1.12 FlukaTable 17 Fluka buffer solutionsTemp.(°C)FlukapH4.000pH7.000p

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭8 Technical specificationspH Meter/Conductometer￭￭￭￭￭￭￭￭798 Technical specifications8.1 Measuring inputsThe four available ins

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭Table of figurespH Meter/Conductometer￭￭￭￭￭￭￭￭VIITable of figuresFigure 1 pH Meter/Conductometer - front ...

8.2 Measured value memory￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭80￭￭￭￭￭￭￭￭pH Meter/Conductometer8.2 Measured value memoryMemory size ￭ 10,000 measured values, non-vol

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭8 Technical specificationspH Meter/Conductometer￭￭￭￭￭￭￭￭81USB connectorNominal inputvoltage4.75 - 5.25 V DCPower con-sumption850

8.8 Housing specification￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭82￭￭￭￭￭￭￭￭pH Meter/Conductometer8.8 Housing specificationProtection class IP67 / DIN EN 60529Dust-resi

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭8 Technical specificationspH Meter/Conductometer￭￭￭￭￭￭￭￭838.11 Ambient temperatureOperation –10 °C - +40 °C (at a max. of 85% h

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭84￭￭￭￭￭￭￭￭pH Meter/Conductometer9 Warranty (guarantee)Metrohm guarantees that the deliveries and services it provides are free

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭9 Warranty (guarantee)pH Meter/Conductometer￭￭￭￭￭￭￭￭85The same warranty periods that are specified for a corresponding newpart a

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭86￭￭￭￭￭￭￭￭pH Meter/Conductometer10 AccessoriesUp-to-date information on the scope of delivery and optional accessoriesfor your i

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭10 AccessoriespH Meter/Conductometer￭￭￭￭￭￭￭￭87The Partslists webpage will be displayed. 7Select the desired output language. 8Wi

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭88￭￭￭￭￭￭￭￭pH Meter/ConductometerGlossaryDisplay fieldDisplay fields are menu lines with a designation and a displayed value.Edit

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭IndexpH Meter/Conductometer￭￭￭￭￭￭￭￭89IndexBBattery ......... 12Brightness .......