Xylem MULTI 3400i pH/Oxi MULTI-PARAMETER METERS Manual do Utilizador

ba75686e01 01/2007pH/Oxi 3400iOperating manualARRCLSTOCALMO671927O°Cmg/lARngTPpH/Oxygen measuring instrument

Overview pH/Oxi 3400i101.6 Operating structureThe following overview diagram shows which keys you have to press to select between the different measur

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

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

pH/ 3400i Commissioning133 Commissioning3.1 Scope of deliveryz 3400i handheld meter z Plug-in power supply (optional)z Operating manual and short oper

Commissioning pH/ 3400i14Connecting the originalplug-in power supplyunitYou can either operate the measuring instrument with batteries or with the plu

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

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

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

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

pH/ 3400i Operation19NoteThe current AutoRead measurement can be terminated at any time (accepting the current value) by pressing <RUN/ENTER>.3

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

Operation pH/ 3400i204.2.3 Measuring the ORP voltageIn conjunction with an ORP electrode, e.g. SenTix ORP, the measuring instrument can measure the OR

pH/ 3400i Operation214.3 pH calibrationWhy calibrate? pH electrodes age. This changes the asymmetry (zero point) and slope of the pH electrode. As a r

Operation pH/ 3400i22NoteYou can automatically print a calibration protocol after the calibration. To do so, connect a printer to the interface accord

pH/ 3400i Operation23Preparatory activities4.3.1 AutoCal TECFor this procedure, use any two WTW technical buffer solutions (pH values at 25 °C: 2.00 /

Operation pH/ 3400i24NoteAt this point, the AutoCal TEC calibration can be terminated with <M>. This corresponds to a single-point calibration.

pH/ 3400i Operation25strument uses the Nernst slope (-59,2 mV/pH at 25 °C) and determines the asymmetry of the electrode.6 Thoroughly rinse the electr

Operation pH/ 3400i2612 Switch to the measuring mode with <M>.YAS0RCLSalcmAutoCal DINTimeDay.MonthSalStoreAR8No.IdentTref20Tref25YearBaudcmC/%KT

pH/ 3400i Operation274.3.2 AutoCal DINFor this procedure, use two different standard buffer solutions accord-ing to DIN 19266 (type A, C, D or F with

Operation pH/ 3400i28NoteAt this point, the AutoCal DIN calibration can be terminated with <M>. This corresponds to a single-point calibration.

pH/ 3400i Operation2910 When the measured value is stable, AR disappears. The value of the slope (mV/pH) appears on the display. The probe symbol show

pH/Oxi 3400i Contents31 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51.1 General features . . . . . . . . .

Operation pH/ 3400i304.3.3 ConCalTwo-point calibration For this procedure, use two buffer solutions:z pH 7.0 ± 0.5z any other buffer solutionNoteSkip

pH/ 3400i Operation318 Thoroughly rinse the electrode with deionized water.9 If required, enter the temperature of the second buffer solution with <

Operation pH/ 3400i3215 Switch to the measuring mode with <M>.LinAutoCal DINAutoCal TECYAS0RCLSalcmTimeDay.MonthSalStoreAR8No.IdentTref20Tref25Y

pH/ 3400i Operation334.4 Dissolved oxygen4.4.1 General informationNoteD. O. measurements with the pH/ Oxi3400i can only be carried out us-ing a CellOx

Operation pH/ 3400i34Temperature sensor The D. O. probe has an integrated temperature sensor that always measures the current temperature of the test

pH/ 3400i Operation354.4.3 Measuring the D. O. saturationYou can measure the D. O. saturation as follows: 3 While pressing the <RUN/ENTER> key,

Operation pH/ 3400i364.4.4 AutoRead AR (Drift control)The AutoRead function (drift control) checks the stability of the mea-surement signal. The stabi

pH/ 3400i Operation374.4.5 D. O. calibrationWhy calibrate? D. O. probes age. This changes the slope of the D. O. probe. Calibra-tion determines the cu

Operation pH/ 3400i38Sample printout: Probe evaluation After the calibration, the measuring instrument evaluates the current status of the probe again

pH/ 3400i Operation393 Put the D. O. probe into the air calibration vessel.4 Press the <CAL> key repeatedly until the calibration mode ap-pears.

Contents pH/Oxi 3400i45 Maintenance, cleaning, disposal . . . . . . . . . . . . . . . . . 615.1 Maintenance . . . . . . . . . . . . . . . . . . . .

Operation pH/ 3400i40NoteIn chapter 6 WHAT TO DO IF... from page 63, you will find the measures to take for error elimination.4.4.6 Entering the salt

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

Operation pH/ 3400i424.6 SavingThe measuring instrument has an internal data memory. It can store up to 500 data records. A complete data record consi

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

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

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

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

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

Operation pH/ 3400i48Sample printout:Outputting thecalibration dataon the displayNo. 1: 09.03.99 17:10pH 10.01 25 °CTman AR

pH/ 3400i Operation493 Press <RUN/ENTER> to display the value of the asymmetry (mV).4 Press <RUN/ENTER> to display the relative slope of t

pH/Oxi 3400i Overview51Overview1.1 General featuresThis compact precision handheld meter enables you to carry out pH / ORP measurements and oxygen mea

Operation pH/ 3400i50Outputting the calibra-tion protocol on theinterfaceSample printout:1 Press the <RCL> key repeatedly until CAL SEr appears

pH/ 3400i Operation514.6.4 Clearing the memoryWith this function, you can delete stored data records. 500 storage lo-cations will then be available ag

Operation pH/ 3400i524.7 Transmitting data You have the following possibilities of transmitting data:z One of the following options:– With the AutoSto

pH/ 3400i Operation53NoteWhen the AutoStore function is active at the same time, the data trans-mission is performed according to the setting of the s

Operation pH/ 3400i544.7.3 Remote control The measuring instrument can be remotely controlled from a PC. This requires the KOM pilot communication kit

pH/ 3400i Operation554.8 ConfigurationYou can adapt the measuring instrument to your individual require-ments. To do this, the following parameters ca

Operation pH/ 3400i56Displaying the airpressureCalibrationintervals pH6 Select the required display during the pH calibration with <▲> <▼>

pH/ 3400i Operation57Date and time11 Set the required interval (in days) with <▲> <▼>.12 Confirm with <RUN/ENTER>. The date flashes

Operation pH/ 3400i584.9 Reset You can reset (initialize) the measurement parameters and the config-uration parameters separately from one another.Mea

pH/ 3400i Operation59Resetting themeasuring parameters1 Press the <RUN/ENTER> key and hold it down.2 Press the <CAL> key. The setting to r

Overview pH/Oxi 3400i61.2 SETs of equipmentThe measuring instrument is also available as part of individual SETs of equipment. You will find additiona

Operation pH/ 3400i60Resetting theconfiguration parame-ters7 Using <▲> <▼>, toggle between no and YES.YES: Resetting the configuration par

pH/ 3400i Maintenance, cleaning, disposal615 Maintenance, cleaning, disposal5.1 MaintenanceThe measuring instrument is almost maintenance-free. The on

Maintenance, cleaning, disposal pH/ 3400i62NoteFor maintenance of electrodes and sensors, follow the corresponding operating manual.5.2 CleaningOccasi

pH/ 3400i What to do if...636 What to do if...6.1 pH system messagesError message 0FL0FL0FL0FL Error message E3E3E3E3 Cause RemedypH electrode:– Not

What to do if... pH/ 3400i64 No stable measuredvalue Obviously incorrectmeasured valuesBuffer solutions– Incorrect buffer solutions – Change calibra

pH/ 3400i What to do if...656.2 Oxi system messagesError message 0FL0FL0FL0FLError message E3E3E3E3Error message E7E7E7E7AR flashescontinuously Cause

What to do if... pH/ 3400i66Measured value too lowMeasured value toohigh6.3 General errorsDisplay LoBat Instrument does notreactto keystroke Display

pH/ 3400i Technical data677 Technical dataDimensions and weight Mechanical structureElectrical safetyAmbient conditions pH/ORP measuringranges Preci

Technical data pH/ 3400i68Oxi measuring rangesPrecision ofOxi (± 1 digit)Correction functions ofOxi mg/l % °CMeasuring range I Resolution0 ... 19.990.

pH/ 3400i Technical data69SerialinterfacePower supply Type RS232, data outputBaud rate Selectable 1200, 2400, 4800, 9600 baudData bits 8Stop bit 2Par

pH/Oxi 3400i Overview7Set (sample configuration):1 pH/Oxi 3400i measuring instrument 2 50 ml ELY/G electrolyte solution for D.O. probes3 Stand4 RL/G c

Technical data pH/ 3400i70Guidelinesand norms used Test certificates EMC E.C. guideline 89/336/EECEN 61326-1:1997EN 61000-3-2 A14:2000EN 61000-3-3:199

pH/ 3400i Lists718ListsThis chapter provides additional information and orientation aids.Abbreviations The list of abbreviations explains the indicato

Lists pH/ 3400i72AbbreviationsAR AutoRead (drift control)ARng Automatic range switchingMeasuring instrument measures with highest reso-lutionASY Asymm

pH/ 3400i Lists73TP Temperature measurement active (Temperature Probe)UASYAsymmetry

Lists pH/ 3400i74GlossaryAdjusting To manipulate a measuring system so that the relevant value (e. g. the displayed value) differs as little as possib

pH/ 3400i Lists75Measured value The measured value is the special value of a measured parameter to be determined. It is given as a combination of the

Lists pH/ 3400i76Slope (relative) Designation used by WTW in the D. O. measuring technique. It ex-presses the relationship of the slope value to the v

pH/Oxi 3400i Index77AAsymmetry 21Auslieferzustand 58Authorized use 11AutoCal DIN 21, 27AutoCal TEC 21, 23AutoRead 18D. O. 36CCalibration evaluation 22

Index pH/Oxi 3400i78

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

pH/Oxi 3400i Overview91.4 Display1.5 Jack field1 D. O. probe2 pH electrode3 pH temperature sensor4 Plug-in power supply (optional)5 Serial interface R