Xylem ProLab 4000 MULTIPARAMETER BENCHTOP METER User Manual

ba75646e02 01/2010DRAFT January 28, 2010 2:18 pmProLab 4000 Operating manualpH/ISE/Conductivity measuring instrument with automatic sensor recognition

Contents ProLab 400010ba75646e02 01/2010

Ion concentration ProLab 4000100ba75646e02 01/2010Criteria The criteria of the stability control affect the reproducibility of the mea-sured values.

ProLab 4000 Ion concentration101ba75646e02 01/20109.2.3 Measurement settingsAll settings for ion selective measurements are done in the Measuring menu

Ion concentration ProLab 4000102ba75646e02 01/2010– Alternative TP () () : alternative temperature sen-sor is used( ) : no alternative temperatur

ProLab 4000 Ion concentration103ba75646e02 01/20109.3 CalibrationWhy calibrate? Ion-selective electrodes age and are temperature-dependent. This chang

Ion concentration ProLab 4000104ba75646e02 01/2010ISE Cal This is the conventional two-point to nine-point calibration proce-dure that uses 2 to 9 fre

ProLab 4000 Ion concentration105ba75646e02 01/2010Calibration evaluation After calibrating, the meter automatically evaluates the calibration.Display

Ion concentration ProLab 4000106ba75646e02 01/20109.3.1 Carrying out calibrationUse two to nine standard solutions in ascending or descending order.Pr

ProLab 4000 Ion concentration107ba75646e02 01/20103 When measuring without temperature sensor:z Measure the temperature of the standard solution using

Ion concentration ProLab 4000108ba75646e02 01/2010Continuing with two-point calibration9 Wait for the measurement with stability control to end.orTake

ProLab 4000 Ion concentration109ba75646e02 01/2010Continuing with three-point to nine-point calibrationRepeat the steps 9 to 16 in the same way with t

ProLab 4000 Overview11ba75646e02 01/20101Overview1.1 General featuresThe ProLab 4000 precision meter enables you to perform pH, ORP, conductivity and

Ion concentration ProLab 4000110ba75646e02 01/20109.3.2 Calibration dataIn the Calibration menu, you can view the calibration data of ISE cali-bration

ProLab 4000 Ion concentration111ba75646e02 01/20109.4 Blank value correctionIf the ion concentration in the sample is so small that it is not in the l

Ion concentration ProLab 4000112ba75646e02 01/20109.5 Reference measurementA reference measurement enables you to assign any concentration value to th

ProLab 4000 Ion concentration113ba75646e02 01/20109.6 Measuring with increment procedure (methods)9.6.1 Selecting the measuring methodThe following me

Ion concentration ProLab 4000114ba75646e02 01/20109.6.2 Standard additionIn the Standard addition procedure, a known amount of standard solu-tion is a

ProLab 4000 Ion concentration115ba75646e02 01/20106 In the Sample register, enter the values for the sample volume (Sample volume) and the volume of t

Ion concentration ProLab 4000116ba75646e02 01/20109.6.3 Double standard additionIn the Double standard addition procedure, a known amount of stan-dard

ProLab 4000 Ion concentration117ba75646e02 01/20103 In the Sample register, enter the values for the sample volume (Sample volume) and the volume of t

Ion concentration ProLab 4000118ba75646e02 01/201010 Wait for the measurement with stability control to end.orTake over the measured value with [OK].

ProLab 4000 Ion concentration119ba75646e02 01/20109.6.4 Standard subtractionIn the "Standard Subtraction" procedure, a known amount of stand

Overview ProLab 400012ba75646e02 01/20101.2 KeypadKeys with dedicated functionsKeys with dedicated functions are labeled on the meter. In this operat

Ion concentration ProLab 4000120ba75646e02 01/20106 In the Sample register, enter the values for the sample volume (Sample volume) and the volume of t

ProLab 4000 Ion concentration121ba75646e02 01/201016 Change the displayed unit of the measured value with [Unit] if necessary.17 If required, display

Ion concentration ProLab 4000122ba75646e02 01/20109.6.5 Sample additionIn the Sample addition procedure, a known amount of test sample is added to the

ProLab 4000 Ion concentration123ba75646e02 01/20106 In the Standard register, enter the values for Standard volume-Standard concentration and ISA/TISA

Ion concentration ProLab 4000124ba75646e02 01/201015 Change the displayed unit of the measured value with [Unit] if necessary.16 If required, display

ProLab 4000 Ion concentration125ba75646e02 01/20109.6.6 Sample subtractionIn the Sample subtraction procedure, a known amount of test sample is added

Ion concentration ProLab 4000126ba75646e02 01/20106 In the Standard register, enter the values for Standard volume-Standard concentration and ISA/TISA

ProLab 4000 Ion concentration127ba75646e02 01/201016 Change the displayed unit of the measured value with [Unit] if necessary.17 If required, display

Ion concentration ProLab 4000128ba75646e02 01/20109.6.7 Blank value addition (Standard addition with blank value correction)In the "Standard addi

ProLab 4000 Ion concentration129ba75646e02 01/2010Measuring6 In the Sample register, enter the following values:z the volume of the sample (Sample vol

ProLab 4000 Overview13ba75646e02 01/2010Alphanumeric keypad The keys of the alphanumeric keypad are used to enter numerals (<0...9>), letters (&

Ion concentration ProLab 4000130ba75646e02 01/201011 In the Standard register, enter the values for Standard volume and Standard concentration if nece

ProLab 4000 Conductivity131ba75646d02 01/201010 Conductivity10.1 General informationYou can measure the following variables:z Conductivityz Specific r

Conductivity ProLab 4000132ba75646d02 01/201010.2.2 MeasuringYou can carry out conductivity measurements as follows:Selecting the displayed measured v

ProLab 4000 Conductivity133ba75646d02 01/2010Stability control The Stability control function checks the stability of the measurement signal. The stab

Conductivity ProLab 4000134ba75646d02 01/201010.2.3 Measurement settingsThe following measurement settings are possible for conductivity mea-suring ce

ProLab 4000 Conductivity135ba75646d02 01/2010– Reference temperature – Tref 25– Tref 20Reference temperature– TDS factor setting... 0.40 ... 1.00 TDS

Conductivity ProLab 4000136ba75646d02 01/201010.2.4 Determining/setting the temperature compensation The conductivity of aqueous solutions is main

ProLab 4000 Conductivity137ba75646d02 01/2010Temperature compensa-tion for diluted solutionsFor the measurement of aqueous solutions z in a low concen

Conductivity ProLab 4000138ba75646d02 01/2010Temperature compensa-tion for concentrated solutionsFor the measurement of aqueous solutions z in a wide

ProLab 4000 Conductivity139ba75646d02 01/201010.2.5 Selecting the nonlinear temperature compensation TC nLF10.2.6 Selecting the linear temperature com

Overview ProLab 400014ba75646e02 01/20101.3 DisplayThe graphic color display can display three measured parameters and the current temperature value f

Conductivity ProLab 4000140ba75646d02 01/201010.2.7 Selecting and adjusting the nonlinear temperature compensation TC nLin1 The nonlinear temperat

ProLab 4000 Conductivity141ba75646d02 01/20104 Select a test sample with permanently stored coefficients (NaCl, KCl, NaOH, HCl) or the freely adjustab

Conductivity ProLab 4000142ba75646d02 01/201010.2.8 Selecting and determining the nonlinear temperature compensation TC nLin2 1 Highlight the chan

ProLab 4000 Conductivity143ba75646d02 01/2010NoteThe measuring method can only be started if Ref. temp., Start temp. and Temp. interval are selected s

Conductivity ProLab 4000144ba75646d02 01/201010.2.9 Selecting and determining the nonlinear temperature compensation TC nLin3 NoteThe measuring me

ProLab 4000 Conductivity145ba75646d02 01/20107 Warm or cool the measuring solution (standard 1) to the start temperature Start temp..As soon as the te

Conductivity ProLab 4000146ba75646d02 01/201010.2.10 Selecting and determining the nonlinear temperature compensation TC nLin4 Preparatory activit

ProLab 4000 Conductivity147ba75646d02 01/2010NoteThe measuring method can only be started if Ref. temp., Start temp. and Temp. interval are selected s

Conductivity ProLab 4000148ba75646d02 01/201010.2.11Switching off the temperature compensation (TC off)7 Slowly warm or cool the test sample (standard

ProLab 4000 Conductivity149ba75646d02 01/201010.3 Determining the cell constant (calibration in control standard)Why determine the cell constant?Due t

ProLab 4000 Overview15ba75646e02 01/20101.4 Socket fieldConnections:1 Conductivity measuring cell (Cond Probe)2 pH/ISE/ORP electrode (pH/U/ISE Probe 2

Conductivity ProLab 4000150ba75646d02 01/2010Sample record:Calibration evaluation After the calibration, the meter automatically evaluates the current

ProLab 4000 Conductivity151ba75646d02 01/201010.3.1 Determining the cell constant (calibration)Proceed as follows to determine the cell constant:1 Con

Conductivity ProLab 4000152ba75646d02 01/201010.3.2 Calibration settings and calibration data In the Calibration menu you can set the calibration inte

ProLab 4000 Memory153ba75646e02 01/201011 MemoryWith the ProLab 4000 software you can store and recall all important measurement and configuration dat

Memory ProLab 4000154ba75646e02 01/201011.1.1 Creating and selecting a file for manually stored measurement datasetsCreating a file for manually store

ProLab 4000 Memory155ba75646e02 01/201011.1.2 Storing measurement datasets manuallyMeasurement datasets are stored in a file selected before (see page

Memory ProLab 4000156ba75646e02 01/201011.1.3 Automatically storing measurement datasetsThe file in which measurement datasets should be automatically

ProLab 4000 Memory157ba75646e02 01/2010 NoteThe progress of the automatic memory is indicated by a progress bar. The Automatic memory window can b

Memory ProLab 4000158ba75646e02 01/201011.1.4 Displaying and filtering stored measurement datasets1 Open the currently selected manual memory with <

ProLab 4000 Memory159ba75646e02 01/201011.1.5 Erasing measurement datasets4 Activate the selected filter criteria with [OK].The [Filter] option field

Overview ProLab 400016ba75646e02 01/20101.5 Automatic sensor recognitionThe automatic sensor recognition function enables z to operate a sensor with d

Memory ProLab 4000160ba75646e02 01/201011.2 Calibration dataThe current calibration record is automatically stored after each valid calibration proced

ProLab 4000 Memory161ba75646e02 01/201011.2.2 Managing the calibration dataThe calibration data is stored in the current calibration record (menu, Cal

Memory ProLab 4000162ba75646e02 01/201011.3 Recorder dataInformation on the recording, storing, displaying and deleting of mea-sured value curves is g

ProLab 4000 Recorder163ba75646e02 01/201012 RecorderThe recorder represents measured values graphically in a system of coordinates. The recorder can r

Recorder ProLab 4000164ba75646e02 01/201012.1 Recording the measured value curveThe recorder records the course of the measured values curve and the c

ProLab 4000 Recorder165ba75646e02 01/201012.2 Recording the curve of the measured temperature value If the recorder was started without recor

Recorder ProLab 4000166ba75646e02 01/201012.3 Storing recorder dataThe recorder records the course of the measured values curve and the course of the

ProLab 4000 Recorder167ba75646e02 01/201012.4 Displaying stored recorder dataOpening the offline recorderDisplaying a different recorder file1 Open th

Recorder ProLab 4000168ba75646e02 01/201012.5 Settings for the recorderIn the Recorder settings dialog box, the appearance of your recorder is defined

ProLab 4000 Recorder169ba75646e02 01/201012.5.1 Defining the recording intervalThe Recording interval defines at which intervals the measured values a

ProLab 4000 Overview17ba75646e02 01/20101.5.1 ID sensorsSI Analytics GmbH ID sensors support the automatic sensor recogni-tion function. Their sensor

Recorder ProLab 4000170ba75646e02 01/20101 Open the recorder menu, Settings...Settings...The Recorder settings window pops up.2 Select the Measured v

ProLab 4000 Recorder171ba75646e02 01/201012.5.3 Defining and activating limit valuesWith the limit values you define the measured values at which the

Recorder ProLab 4000172ba75646e02 01/201012.5.4 Defining the colors for the recorder representation The appearance of the recorder is determined w

ProLab 4000 Recorder173ba75646e02 01/201012.6 Changing the displayed axis interceptThe standard settings for the displayed axis intercepts are defined

Recorder ProLab 4000174ba75646e02 01/2010Zooming an axis interceptThe axis intercepts of the recorder can be zoomed as follows (time axis and measured

ProLab 4000 Recorder175ba75646e02 01/201012.7 Displaying exact measurement data at a point (cursor)In the recorder window, you can display the exact m

Recorder ProLab 4000176ba75646e02 01/2010

ProLab 4000 Transmitting data177ba75646e02 01/201013 Transmitting data13.1 Printing current measurement dataTo which interface the measurement data sh

Transmitting data ProLab 4000178ba75646e02 01/201013.2.2 USB-B interface (USB Device)Connect the interface to the PC via the supplied Z875 USB cable.

ProLab 4000 Transmitting data179ba75646e02 01/201013.2.3 USB-A interface (USB Host)Connect the USB-A interface (USB Host) of the ProLab 4000 to the pr

Overview ProLab 400018ba75646e02 01/20101.5.2 Sensor data from ID sensorsID sensors transmit the following sensor data to the meter:z SENSOR ID– Senso

Transmitting data ProLab 4000180ba75646e02 01/201013.3 Data backup13.3.1 Data backup by the administratorTo back up important data against being lost

ProLab 4000 Transmitting data181ba75646e02 01/201013.3.2 Viewing backed up dataThe external USB medium is displayed within the directory of each user.

Configurations ProLab 4000182ba75646e02 01/201014 ConfigurationsAs the administrator, you can create and assign a configuration to each user (see page

ProLab 4000 Configurations183ba75646e02 01/201014.1 Viewing a configurationA configuration viewer is available so the current configuration settings c

Configurations ProLab 4000184ba75646e02 01/201014.2 Creating a new configurationWhen creating a configuration, the current settings of the meter for e

ProLab 4000 Configurations185ba75646e02 01/201014.3 Loading a configurationAll users who can create a configuration can also load it.When loading a co

Configurations ProLab 4000186ba75646e02 01/201014.4 Deleting a configurationAll users who can create a configuration can also delete it in their direc

ProLab 4000 Maintenance, cleaning, disposal187ba75646e02 01/201015 Maintenance, cleaning, disposal15.1 MaintenanceThe only maintenance activity requir

Maintenance, cleaning, disposal ProLab 4000188ba75646e02 01/201015.2 CleaningOccasionally wipe the outside of the meter with a damp, lint-free cloth.

ProLab 4000 What to do if...189ba75646e02 01/201016 What to do if...16.1 pH and ORP measurementError message Err1Error message Err2Error message Err4E

ProLab 4000 Overview19ba75646e02 01/20101.6 Electronic access controlThe ProLab 4000 always documents measurement and calibration data together with a

What to do if... ProLab 4000190ba75646e02 01/2010No stable measured value Obviously incorrect measured values– Electrode broken – Replace the electr

ProLab 4000 What to do if...191ba75646e02 01/2010CalClock on red background16.2 Ion selective measurementError message Err1 Obviously incorrect measur

What to do if... ProLab 4000192ba75646e02 01/2010Warning [TempErr] Warning [ISEErr] 16.3 Conductivity measurementConductivity measuring cell was not

ProLab 4000 What to do if...193ba75646e02 01/201016.4 General errorsMeter does not react to keystrokeTime is lostCause Remedy– Operating condition und

What to do if... ProLab 4000194ba75646e02 01/2010

ProLab 4000 Technical Data195ba75646e02 01/201017 Technical Data17.1 General dataDimensions approx. 240 x 280 x 70 mmWeight approx. 2.5 kg (without po

Technical Data ProLab 4000196ba75646e02 01/2010RS232 serial interface Connection of the PC cable (Z390) or printer cable (Z393)Baud rate adjustable:

ProLab 4000 Technical Data197ba75646e02 01/2010Instrument safety EC guideline 2006/95/ECEN 61010-1 class AANSI/UL 61010-1CAN/CSA-C22.2 No. 61010-1Rad

Technical Data ProLab 4000198ba75646e02 01/201017.2 Measuring ranges, resolution, accuracy17.2.1 Temperature17.2.2 pH/ORPMeasuring ranges, resolutionV

ProLab 4000 Technical Data199ba75646e02 01/201017.2.3 ISE17.2.4 ConductivityMeasuring ranges, resolutionVariable Measuring range ResolutionISE [mg/l,

Accuracy when going to pressThe use of advanced technology and the high quality standard of our instruments are the result of a continuous development

Overview ProLab 400020ba75646e02 01/2010

Technical Data ProLab 4000200ba75646e02 01/2010Cell constants Cell constant C ValuesCan be calibrated in the ranges0.450 ... 0.500 cm-10.585 ... 0.71

ProLab 4000 Lists201ba75646e02 01/201018 ListsThis chapter provides additional information and orientation aids.Abbreviations The list of abbreviation

Lists ProLab 4000202ba75646e02 01/2010AbbreviationsConductivity value (international γ)°C Temperature unit, degrees Celsius°F Temperature unit, degree

ProLab 4000 Lists203ba75646e02 01/2010Status display indicators[SC] Measured value (Hold) or Measurement with stability control[ARng] Automatic range

Lists ProLab 4000204ba75646e02 01/2010GlossaryAdjusting To manipulate a measuring system so that the relevant value (e. g. the displayed value) differ

ProLab 4000 Lists205ba75646e02 01/2010Molality Molality is the quantity (in Mol) of a dissolved substance in 1000 g solvent.Offset potential The measu

Lists ProLab 4000206ba75646e02 01/2010Temperature compensation Name of a function that considers the temperature influence on the measurement and conv

ProLab 4000 Lists207ba75646e02 01/2010Trademarks usedTrademark Owner of the trademarkMerck Merck KGaASCHOTT Schott Glas AGMettler Toledo Mettler Toled

Lists ProLab 4000208ba75646e02 01/2010

ProLab 4000 Lists 209Indexba75646e02 01/2010AAuthorized use ...21BBattery compartment ...

ProLab 4000 Safety21ba75646e02 01/20102 SafetyThis operating manual contains basic instructions that you must follow during the commissioning, operati

Index ProLab 4000210ba75646e02 01/2010Reset ... 65RS232 interface ... 178,

ProLab 4000 Appendix211ba75646e02 01/2010AppendixA.19 Firmware updateGeneral information With the "Update_ProLab3000_4000" program and a PC

Appendix ProLab 4000212ba75646e02 01/2010Program installationProgram start Firmware updateAfter switching the meter off and on you can check whether t

ProLab 4000 Appendix213ba75646e02 01/2010A.20 MenusA.20.1 Main menuFile MemoryFile – New configuration...– Select configuration...– View configuration

Appendix ProLab 4000214ba75646e02 01/2010SystemWindowUser Help System– Data output...– Baud– Output format (ASCII, CSV)–– Header– Autom. printout...–

ProLab 4000 Appendix215ba75646e02 01/2010A.20.2 pH sensor menuMeasuringCalibrationMeasuring–pH resolution–High– Medium– Low– Alternative TP– Setting o

Appendix ProLab 4000216ba75646e02 01/2010A.20.3 U sensor menuMeasuringA.20.4 dU sensor menuMeasuringMeasuring– High resolution– Alternative TP– Settin

ProLab 4000 Appendix217ba75646e02 01/2010A.20.5 ISE sensor menuMeasuringCalibrationMeasuring– ISE settings–Units– Ion type– Blank value correction– Re

Appendix ProLab 4000218ba75646e02 01/2010A.20.6 Cond sensor menuMeasuringCalibrationMeasuring– Cell constant– Calibrated cell constant– Adjustable cel

SI Analytics GmbHPostfach 2443D-55014 MainzHattenbergstr. 10D-55122 MainzEmail: support@Telefon +49 (0) 61 31/66 5111Telefax +49 (0) 61 31/66 5001si-a

Safety ProLab 400022ba75646e02 01/20102.2 General safety instructionsThis instrument is built and inspected according to the relevant guide-lines and

ProLab 4000 Commissioning23ba75646e02 01/20103 Commissioning3.1 Scope of deliveryz ProLab 4000 laboratory meterz Power packz 4 batteries 1.5 V Micro t

Commissioning ProLab 400024ba75646e02 01/20103.2 Initial commissioningPerform the following activities:z Insert the batteries (see page 187)z Connect

ProLab 4000 Commissioning25ba75646e02 01/20103.4 Switching on the ProLab 4000The ProLab 4000 indicates the Standby display.1 Switch the meter on with

Commissioning ProLab 400026ba75646e02 01/20103.5 Connecting the USB mouseYou can connect the USB mouse included in the scope of delivery to the USB-A

ProLab 4000 Commissioning27ba75646e02 01/20103.6.1 Connecting an ID sensorID sensor with temperature sensorID sensor without temperature sensor1 Conne

Commissioning ProLab 400028ba75646e02 01/20103.6.2 Connecting a non ID sensor3.7 Connecting optional accessoriesThe ProLab 4000 has several interfaces

ProLab 4000 Commissioning29ba75646e02 01/20103.7.1 RS232 interface (serial port)PC and printer can be connected via the RS232 interface.Data that is t

ProLab 40003ba75646e02 01/2010KONFORMITÄTSERKLÄRUNGDECLARATION OF CONFORMITYDÉCLARATION DE CONFORMITÉWir erklären in alleiniger Verantwortung, dass da

Commissioning ProLab 400030ba75646e02 01/20103.7.2 USB-B interface (USB Device)You can connect a PC to the meter via the USB-B interface(USB Device).

ProLab 4000 Commissioning31ba75646e02 01/20103.7.3 USB-A interface (USB Host)You can connect the following devices to the USB-A interface (USB Host) a

Commissioning ProLab 400032ba75646e02 01/2010

ProLab 4000 Operating principles33ba75646e02 01/20104 Operating principlesThis section contains basic information on the operation of the ProLab 4000.

Operating principles ProLab 400034ba75646e02 01/2010Display Depending on the operating situation, the color display shows mea-surement data, calibrati

ProLab 4000 Operating principles35ba75646e02 01/2010In the main menu, there are sensor independent functions and settings: z Manage configurations (Fi

Operating principles ProLab 400036ba75646e02 01/2010Channel (2) In the measured value display, for each connected sensor you can see a channel with sp

ProLab 4000 Operating principles37ba75646e02 01/20104.2 File systemFiles With the ProLab 4000 you can store data in files just like using a PC. Differ

Operating principles ProLab 400038ba75646e02 01/20104.3 Entry of numerals, letters and charactersNumerals, letters, punctuation marks and special char

ProLab 4000 Operating principles39ba75646e02 01/2010Mouse operation:With the mouse, you have in all entry fields the additional option of showing a ke

ProLab 40004ba75646e02 01/2010

Operating principles ProLab 400040ba75646e02 01/20104.4 NavigationThe dialog with the meter takes place through menus and dialog boxes as usual with a

ProLab 4000 Operating principles41ba75646e02 01/20104.4.1 Navigation in the measured value displayThe display shows, for example, the measurement data

Operating principles ProLab 400042ba75646e02 01/20104.4.2 Navigation in menusA menu item contains submenus, executes a function or opens a dialog box.

ProLab 4000 Operating principles43ba75646e02 01/2010Mouse operation:5 Highlight a menu item with <W><X> and <S><T>.The highlig

Operating principles ProLab 400044ba75646e02 01/20104.4.3 Navigation in dialog boxesDialog boxes contain further subelements such as register cards, s

ProLab 4000 Operating principles45ba75646e02 01/20104.4.4 Navigation in the file selection dialog boxThe file selection dialog is opened if a file is

Operating principles ProLab 400046ba75646e02 01/2010Operating example: Navigation and settings in file selection dialogsMouse operation:1 Highlight an

ProLab 4000 Access to the meter47ba75646e02 01/20105 Access to the meter5.1 Switch the meter on and offSwitching onSwitching off5.2 Login as a userAft

Access to the meter ProLab 400048ba75646e02 01/2010Login with electronic keyThe Login dialog box displays the instruction: Place the electronic key o

ProLab 4000 Access to the meter49ba75646e02 01/20105.3 Password for loginIf the used of a password for login to the meter was set by the admin-istrato

ProLab 4000 Contents5ba75646e02 01/2010ProLab 4000 - Contents1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111.

Access to the meter ProLab 400050ba75646e02 01/20105.4 LockDuring operation (e.g. if the automatic storing function is active), the activated lock pre

ProLab 4000 Access to the meter51ba75646e02 01/20105.5 Access control and user rightsYou as the administrator define the type of access (assess contro

Access to the meter ProLab 400052ba75646e02 01/20105.5.1 Access controlThe administrator defines the type of access to the meter. The setting applies

ProLab 4000 Access to the meter53ba75646e02 01/20105.5.2 User management and assigning user rightsThe ProLab 4000 has basic user management functions.

Access to the meter ProLab 400054ba75646e02 01/2010Adding a new userAssigning a configuration to a userErasing a registered user1 Enter a new user nam

ProLab 4000 Access to the meter55ba75646e02 01/2010Erasing the password for a registered userHiding / displaying a userExiting the user management5.6

System functions ProLab 400056ba75646e02 01/20106 System functionsSystem functions are all functions that are independent of the probe. 6.1 Overview:

ProLab 4000 System functions57ba75646e02 01/2010– Signal On () Switches on or off the acoustic signal. The signal sounds e.g. when a stable measured

System functions ProLab 400058ba75646e02 01/20106.2 Selecting the languageMenus can be displayed in different languages. The language is selected in t

ProLab 4000 System functions59ba75646e02 01/20106.4 Setting the date and timeThe data and time are displayed in the local format, according to the Cou

Contents ProLab 40006ba75646e02 01/20105 Access to the meter . . . . . . . . . . . . . . . . . . . . . . . . . . . 475.1 Switch the meter on and off

System functions ProLab 400060ba75646e02 01/20106.5 Selecting the channels for measured value displayIn the Window / Channels... you can define which

ProLab 4000 System functions61ba75646e02 01/20106.7 TemperatureThe temperature affects the measurement results. You can select the unit of the tempera

System functions ProLab 400062ba75646e02 01/20106.7.2 Temperature measurementFor reproducible measurements it is essential to determine the corre-spon

ProLab 4000 System functions63ba75646e02 01/20106.8 Automatic stability controlThe Autom. stability control function continuously checks the stability

System functions ProLab 400064ba75646e02 01/20106.9 Color assignmentFor easy differentiation, the following conditions are highlighted by a background

ProLab 4000 System functions65ba75646e02 01/20106.10 ResetYou can reset (initialize) all sensor settings and sensor-independent settings separately fr

System functions ProLab 400066ba75646e02 01/20106.10.2 Resetting the system settingsThe following system settings are reset to the default settings wi

ProLab 4000 System functions67ba75646e02 01/20106.11 List of open windowsThe Window menu item in the main menu provides an overview of the open window

System functions ProLab 400068ba75646e02 01/2010

ProLab 4000 pH69ba75646e02 01/20107pH7.1 General informationTemperature measurementFor reproducible pH measurements, it is essential to measure the te

ProLab 4000 Contents7ba75646e02 01/20108 ORP voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 898.1 General information. .

pH ProLab 400070ba75646e02 01/20107.2 Measuring the pH value7.2.1 Preparatory activitiesPerform the following preparatory activities when you want to

ProLab 4000 pH71ba75646e02 01/20107.2.2 MeasuringStability control The Stability control function checks the stability of the measurement signal. The

pH ProLab 400072ba75646e02 01/2010Criteria With identical measurement conditions, the following applies: NoteYou can terminate prematurely the Sta

ProLab 4000 pH73ba75646e02 01/20107.2.3 Measurement settingsAll settings for pH measurements are in the Measuring menu.Menu item Setting DescriptionMe

pH ProLab 400074ba75646e02 01/20107.3 CalibrationWhy calibrate? pH electrodes age. This changes the zero point (asymmetry) and slope of the pH electro

ProLab 4000 pH75ba75646e02 01/20108 DIN 19267 * 1,0904,6506,7909,23025 °C9 Mettler EU 1,6794,0037,00210,01325 °C10 Mettler US * 1,9954,0057,0029,20825

pH ProLab 400076ba75646e02 01/2010* Brand names or trade names are trademarks of their respective owners protected by law (see page 207).Calibration p

ProLab 4000 pH77ba75646e02 01/2010Stability control The calibration procedure automatically activates the stability control function. The current meas

pH ProLab 400078ba75646e02 01/2010Calibration evaluation After calibrating, the meter automatically evaluates the calibration. The zero point and slop

ProLab 4000 pH79ba75646e02 01/20107.3.1 Carrying out a calibration procedure (example: AutoCal DIN) Make sure the Calibration / pH calibratio

Contents ProLab 40008ba75646e02 01/201010.2.10 Selecting and determining the nonlinear temperature compensation TC nLin4 . . . . . 14610.2.11 Switchi

pH ProLab 400080ba75646e02 01/20101 Recognized nominal buffer value (referring to 25 °C)2 Current electrode voltage3 Current temperature value4 Select

ProLab 4000 pH81ba75646e02 01/2010Continuing with two-point calibration (Buffer: DIN)9 Using [OK], confirm the Finish with 1-point calibration infotex

pH ProLab 400082ba75646e02 01/2010Continuing with three-point to five-point calibration (Buffer ) DIN) NoteA calibration line is determined for the

ProLab 4000 pH83ba75646e02 01/20107.3.2 Carrying out a calibration procedure (example: VariCal)Make sure the Calibration / pH calibration type / VariC

pH ProLab 400084ba75646e02 01/20101 Recognized nominal buffer value (referring to 25 °C)2 Current electrode voltage3 Current temperature value4 Select

ProLab 4000 pH85ba75646e02 01/2010Continuing with two-point calibration8 Using [OK], confirm the Finish with 1-point calibration infotext and take ove

pH ProLab 400086ba75646e02 01/2010 NoteA calibration line is determined for the two-point calibration.

ProLab 4000 pH87ba75646e02 01/20107.3.3 Calibration settings and calibration dataIn the Calibration menu, you can z set the calibration interval, z de

pH ProLab 400088ba75646e02 01/20107.3.4 Calibration intervalThe calibration interval and calibration evaluation are indicated on the display as the Ca

ProLab 4000 ORP voltage89ba75646e02 01/20108 ORP voltage8.1 General informationYou can measure the following variables:z ORP [mV]z Relative ORP [mV]Te

ProLab 4000 Contents9ba75646e02 01/201013.3 Data backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18013.3.1 Data backup by t

ORP voltage ProLab 400090ba75646e02 01/20108.2 Measuring the ORP8.2.1 Preparatory activitiesPerform the following preparatory activities when you want

ProLab 4000 ORP voltage91ba75646e02 01/20108.2.2 MeasuringStability control TheStability control function checks the stability of the measurement sign

ORP voltage ProLab 400092ba75646e02 01/2010Criteria With identical measurement conditions, the following applies:4With <OK> activate the Stabili

ProLab 4000 ORP voltage93ba75646e02 01/20108.2.3 Measuring the relative ORPTo measure the difference of the ORPs of two solutions it is best to use tw

ORP voltage ProLab 400094ba75646e02 01/2010As an alternative you can also determine the difference of the ORPs of two solutions with one ORP electrode

ProLab 4000 ORP voltage95ba75646e02 01/2010Criteria With identical measurement conditions, the following applies:1 In the measured value display, mark

ORP voltage ProLab 400096ba75646e02 01/20108.2.4 Measurement settingsThe following settings are possible for ORP measurements in the Mea-suring menu:M

ProLab 4000 Ion concentration97ba75646e02 01/20109 Ion concentration9.1 General informationTemperature measurement with ion selective measurementsThe

Ion concentration ProLab 400098ba75646e02 01/20109.2 Measuring the ion concentration 9.2.1 Preparatory activitiesPerform the following preparatory act

ProLab 4000 Ion concentration99ba75646e02 01/20109.2.2 MeasuringTemperature for calibrating and measuringFor precise ion selective measurements, the t