Xylem MULTI 3400 MULTI-PARAMETER METERS Manuel d'utilisateur

ba75688e01 01/2007Multi 3400iOperating manualARRCLSTOCALMO671927O°Cmg/lARngTPpH/Dissolved Oxygen/ConductivityMeasuring Instrument

Overview Multi 3400i101.6 Operating structureThe following overview diagram shows which keys you have to press to select between the different measuri

Multi 3400i Safety112 SafetyThis operating manual contains basic instructions that you must follow during the commissioning, operation and maintenance

Safety Multi 3400i122.2 General safety instructionsThis instrument is built and inspected according to the relevant guide-lines and norms for electron

Multi 3400i Commissioning133 Commissioning3.1 Scope of deliveryz Multi 3400i handheld meter z Plug-in power supply unitz Operating manual and short op

Commissioning Multi 3400i14Connecting theplug-in power supplyYou can either operate the measuring instrument with batteries or with the plug-in power

Multi 3400i Operation154 Operation4.1 Switching on the measuring instrumentMeasuring mode whenswitching onNote The measuring instrument has an energy

Operation Multi 3400i164.2 pH value / ORP voltage4.2.1 General informationPreparatory activities Perform the following preparatory activities when you

Multi 3400i Operation17Temperature measure-ment in pH measure-mentsYou can perform pH measurements with or without a temperature sen-sor as well as wi

Operation Multi 3400i184.2.2 Measuring the pH valueAutoRead AR(Drift control)The AutoRead function (drift control) checks the stability of the mea-sur

Multi 3400i Operation19NoteThe current AutoRead measurement can be terminated at any time (accepting the current value) by pressing <RUN/ENTER>.

Accuracy whengoing to pressThe use of advanced technology and the high quality standard of our instruments are the result of continuous development. T

Operation Multi 3400i204.2.4 pH calibrationWhy calibrate? pH electrodes age. This changes the asymmetry (zero point) and slope of the pH electrode. As

Multi 3400i Operation21Sample printout: Calibration evaluation After calibrating, the measuring instrument automatically evaluates the calibration. Th

Operation Multi 3400i22Preparatory activitiesAutoCal TEC For this procedure, use any two WTW technical buffer solutions (pH values at 25 °C: 2.00 / 4.

Multi 3400i Operation23NoteAt this point, the AutoCal TEC calibration can be terminated with <M>. This corresponds to a single-point calibration

Operation Multi 3400i246 Thoroughly rinse the electrode with distilled water.7 If required, enter the temperature of the first buffer solution, while

Multi 3400i Operation2512 Switch to the measuring mode with <M>.YAS0RCLSalcmAutoCal DINTimeDay.MonthSalStoreAR8No.IdentTref20Tref25YearBaudcmC/%

Operation Multi 3400i264.3 Dissolved oxygen4.3.1 General informationNoteD. O. measurements with the Multi 3400i can only be carried out using a CellOx

Multi 3400i Operation274.3.2 Measuring the D. O. concentrationWhen measuring the concentration of test samples with a salt content of more than 1 g/l,

Operation Multi 3400i284.3.3 Measuring the D. O. saturationYou can measure the D. O. saturation as follows: 4 While pressing the <RUN/ENTER> key

Multi 3400i Operation294.3.4 AutoRead AR (Drift control)The AutoRead function (drift control) checks the stability of the mea-surement signal. The sta

Multi 3400i List of contents31 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51.1 General features . . . . . .

Operation Multi 3400i304.3.5 D. O. calibrationWhy calibrate? D. O. probes age. This changes the slope of the D. O. probe. Calibra-tion determines the

Multi 3400i Operation31Probe evaluation After the calibration, the measuring instrument evaluates the current status of the probe against the relative

Operation Multi 3400i32NoteIn chapter 6 WHAT TO DO IF... page 65, you will find the measures to take for error elimination.5 Press the <RUN/ENTER&g

Multi 3400i Operation334.3.6 Salt content correctionA salt content correction is required in the oxygen concentration mea-surement of samples with a s

Operation Multi 3400i344.4 Conductivity4.4.1 General informationNoteConductivity measurements with the Multi 3400i can only be carried out using the T

Multi 3400i Operation35Checking thecell constant1 Press the <RCL> key repeatedly until CAL disp appears on the display. 2 Press the <RUN/ENT

Operation Multi 3400i364.4.2 Measuring the conductivityYou can carry out the conductivity measurements as follows:4.4.3 Measuring the salinityYou can

Multi 3400i Operation374.4.4 AutoRead AR (Drift control)The AutoRead function (drift control) checks the stability of the mea-surement signal. The sta

Operation Multi 3400i384.4.5 Determining the cell constant (Calibration in the control standard)Why determine the cellconstant?Aging slightly changes

Multi 3400i Operation39Calibration evaluation After the calibration, the measuring instrument automatically evaluates the current status of the calibr

List of contents Multi 3400i44.7.2 PC/external printer (RS232 interface) . . . . . . . . 554.7.3 Remote control . . . . . . . . . . . . . . . . . .

Operation Multi 3400i40NoteIf the error message E3E3E3E3 appears, refer to chapter 6 WHAT TO DO IF...5 To return to the measuring mode: Press the <

Multi 3400i Operation414.5 Calibration intervals (Int 3, Int 4, Int 5)For each measured variable, a time interval is stored. When it has ex-pired, you

Operation Multi 3400i424.6 Saving dataThe Multi 3400i portable measuring instrument has an internal data memory. It can store up to 500 datasets. A co

Multi 3400i Operation43Message StoFullStoFullStoFullStoFull This message appears when all of the 500 storage locations are occu-pied.You have the foll

Operation Multi 3400i444.6.2 Switching on AutoStore (Int 1)The save interval (Int 1) determines the chronological interval between automatic save pro

Multi 3400i Operation45As soon as all of the 500 storage locations are occupied, AutoStore is terminated (Int 1 = OFF). If there are not enough storag

Operation Multi 3400i464.6.3 Outputting the data storageYou can output the contents of the data storage:z Stored data on the displayz Calibration data

Multi 3400i Operation47NoteIf you want to search for a certain element of the data record (e.g. date), proceed as follows:Outputting stored datato the

Operation Multi 3400i48Sample printout:Outputting the calibra-tion dataon the display No. 1: 09.03.01 17:10pH 10.01 25 °CTauto

Multi 3400i Operation492 Press the <RUN/ENTER> key. The data of the last calibration of all measured variables ap-pears in the following sequenc

Multi 3400i Overview51Overview1.1 General featuresThe compact precision handheld meter Multi 3400i enables you to car-ry out pH measurements, dissolve

Operation Multi 3400i505 Press <RUN/ENTER> to display the cell constant. The dis-played value is:z the current, calibrated cell constant (with s

Multi 3400i Operation51Outputting the calibra-tion protocol on theinterfaceSample printout:1 Press the <RCL> key repeatedly until CAL SEr appear

Operation Multi 3400i524.6.4 Clearing the memoryWith this function, you can delete the stored data records. 500 storage locations will then be availab

Multi 3400i Operation534.7 Transmitting dataYou have the following possibilities of transmitting data:z One of the following options:– With the AutoSt

Operation Multi 3400i54NoteWhen the AutoStore function is active at the same time, the data trans-mission is performed according to the setting of the

Multi 3400i Operation554.7.2 PC/external printer (RS232 interface)Via the RS 232 interface, you can transmit the data to a PC or an ex-ternal printer.

Operation Multi 3400i564.8 ConfigurationYou can adapt the handheld meter to your individual requirements. To do this, the following parameters can be

Multi 3400i Operation57Displaying theair pressureThe air pressure is only displayed if an oxygen sensor is connected. Otherwise, "---" appea

Operation Multi 3400i58Dissolved oxygencalibration intervalConductivitycalibration intervalSwitching over thereference temperature10 Confirm with <

Multi 3400i Operation59Date and time15 Using <▲> <▼>, toggle between t20 and t25.16 Confirm with <RUN/ENTER>. The date flashes on th

Overview Multi 3400i61.2 SETs of equipmentThe measuring instrument is also available as part of individual SETs of equipment. You will find additional

Operation Multi 3400i604.9 Reset You can reset (initialize) the measurement parameters and the config-uration parameters separately from one another.M

Multi 3400i Operation61Resetting themeasuring parameters1 Press the <RUN/ENTER> key and hold it down.2 Press the <CAL> key. The setting to

Operation Multi 3400i62Resetting theconfiguration parame-ters7 Using <▲ > <▼>, switch between no and YES.YES: Resetting the Cond measuring

Multi 3400i Maintenance, cleaning, disposal635 Maintenance, cleaning, disposal5.1 MaintenanceThe measuring instrument is almost maintenance-free. The

Maintenance, cleaning, disposal Multi 3400i64NoteFor maintenance of electrodes, probes and measuring cells refer to the relevant operating manuals.5.2

Multi 3400i What to do if...656 What to do if...6.1 pH system messagesError message 0FL0FL0FL0FL Error message E3E3E3E3 Cause RemedypH electrode:– N

What to do if... Multi 3400i66 No stable measuredvalue Obviously incorrectmeasured valuesBuffer solutions– Incorrect buffer solutions – Change calib

Multi 3400i What to do if...676.2 Oxi system messagesError message 0FL0FL0FL0FLError message E3E3E3E3Error message E7E7E7E7AR flashescontinuously Caus

What to do if... Multi 3400i68Measured value too lowMeasured value toohigh6.3 Conductivity system messagesError message OFLOFLOFLOFL Error message E3

Multi 3400i What to do if...696.4 General errorsDisplay LoBat Instrument does notreactto keystroke Display totototo Probe symbol flashes Message Sto

Multi 3400i Overview77 50 ml pH buffer solution, STP 48 50 ml pH buffer solution, STP 79 Calibration and control standard for conductivity measuring c

What to do if... Multi 3400i70

Multi 3400i Technical data717 Technical dataDimensions and weightMechanical structure Electrical safety Ambient conditions pH/ORP measuringranges Pre

Technical data Multi 3400i72Oxi measuring rangesMeasuring range/resolu-tion temperaturePrecision ofOxi (± 1 digit) Correction functions ofOxi Cond mea

Multi 3400i Technical data73Precision ofCond (± 1 digit) Cell constant,calibrating Cond referencetemperature Serial interface Connection of the cable

Technical data Multi 3400i74Power supply Guidelinesand norms used Batteries 4 x 1.5 V alkali-manganese batteries, Type AAOperational life Approx. 300

Multi 3400i Technical data75Test certificates FCC Class A Equipment StatementNote: This equipment has been tested and found to comply with the limits

Technical data Multi 3400i76

Multi 3400i Lists778ListsThis chapter provides additional information and orientation aids.Abbreviations The list of abbreviations explains the indica

Lists Multi 3400i78AbbreviationsConductivity value (international γ)AR AutoRead (drift control)ARng Automatic range switchingMeasuring instrument meas

Multi 3400i Lists79nLF Nonlinear temperature compensationOFL Display range exceeded (Overflow)OxiCal Automatic calibration for D. O. measurementspH p

Overview Multi 3400i81.3 KeypadKey functionsRUN/ENTERARRCLCALSTOMSelect the measured variable <M>:– pH value / ORP voltage– D. O. concentration

Lists Multi 3400i80GlossaryAdjusting To manipulate a measuring system so that the relevant value (e. g. the displayed value) differs as little as poss

Multi 3400i Lists81Measuring system The measuring system comprises all the devices used for measuring, e. g. measuring instrument and probe. In addit

Lists Multi 3400i82Salt content General designation for the quantity of salt dissolved in water.Sample Designation of the sample ready to be measured.

Multi 3400i Index83IndexAAir pressure display 57Asymmetry 20Authorized use 11AutoCal TEC 20, 22AutoRange (oxygen) 15AutoReadConductivity 37D. O. 29pH

Index Multi 3400i84values 53Two-point calibration (pH) 20, 23

Wissenschaftlich-Technische Werkstätten GmbHDr.-Karl-Slevogt-Straße 1D-82362 WeilheimGermanyTel: +49 (0) 881 183-0+49 (0) 881 183-100Fax: +49 (0) 881

Multi 3400i Overview91.4 Display1.5 Jack field1 D. O. probe or conductivity measuring cell2 pH electrode 3 pH temperature sensor4 Plug-in power supply