Xylem handylab pH LF 12 User Manual Page 1

ba75370e03 11/2009Operating manualhandylab pH/LF 12 ARORCLSTOCALARS/cmTref25nLF052305°CTPMpH/Conductivity Pocket Meter

Overview handylab pH/LF 1210ba75370e03 11/2009Measuring rangesof conductivity Precision ofconductivity (± 1digit) Cell constant,calibrating Reference

handylab pH/LF 12 Overview11ba75370e03 11/2009SerialinterfaceAutomatic switchover if a PC or printer is connected.Powersupply Type RS232, data output

Overview handylab pH/LF 1212ba75370e03 11/2009Applicableguidelines andnorms EMC EC guideline 2004/108/ECEN 61326-1EN 61000-3-2EN 61000-3-3FCC Class AI

handylab pH/LF 12 Safety13ba75370e03 11/20092SafetyThis operating manual contains basic instructions that you must follow during the commissioning, op

Safety handylab pH/LF 1214ba75370e03 11/20092.2 General safety instructionsThis instrument is built and inspected according to the relevant guidelines

handylab pH/LF 12 Commissioning15ba75370e03 11/20093 Commissioning3.1 Scope of deliveryz handylab pH/LF 12LF 12 handheld meterz Operating manual and s

Commissioning handylab pH/LF 1216ba75370e03 11/2009Connecting theoriginalplug-in power sup-ply unitYou can either operate the measuring instrument wit

handylab pH/LF 12 Operation17ba75370e03 11/20094 Operation4.1 Switching on the measuring instrumentMeasuring modewhen switching onNote The measuring i

Operation handylab pH/LF 1218ba75370e03 11/20094.2 pH value / ORP voltage4.2.1 General informationPreparatoryactivitiesPerform the following preparato

handylab pH/LF 12 Operation19ba75370e03 11/2009Temperaturemeasurement inpH measurementsYou can perform pH measurements with or without a temperature p

Cond 330i/340i2ba75370e03 11/2009Accuracy whengoing to pressThe use of advanced technology and the high quality standard of our instruments are the re

Operation handylab pH/LF 1220ba75370e03 11/20094.2.2 Measuring the pH valueAutoRead AR(drift control)The AutoRead function (drift control) checks the

handylab pH/LF 12 Operation21ba75370e03 11/2009NoteThe current AutoRead measurement can be terminated at any time (accept-ing the current value) by pr

Operation handylab pH/LF 1222ba75370e03 11/20094.2.3 Measuring the ORP voltageIn conjunction with an ORP electrode, e.g. BlueLine 31Rx, the measuring

handylab pH/LF 12 Operation23ba75370e03 11/20094.3 pH calibrationWhy calibrate? pH electrodes age. This changes the asymmetry (zero point) and slope o

Operation handylab pH/LF 1224ba75370e03 11/2009NoteYou can automatically print a calibration protocol after the calibration. To do so, connect a print

handylab pH/LF 12 Operation25ba75370e03 11/2009Preparatoryactivities4.3.1 AutoCal TECFor this procedure, use any two technical buffer solutions (pH va

Operation handylab pH/LF 1226ba75370e03 11/2009NoteAt this point, the AutoCal TEC calibration can be terminated with <M>. This corresponds to a

handylab pH/LF 12 Operation27ba75370e03 11/20097 If required, enter the temperature of the second buffer solution with <▲> <▼> while keepi

Operation handylab pH/LF 1228ba75370e03 11/200912 Switch to the measuring mode with <M>.

handylab pH/LF 12 Operation29ba75370e03 11/20094.3.2 AutoCal DINFor this procedure, use two different standard buffer solutions according to DIN 19266

handylab pH/LF 12 List of contents3handylab pH/LF 12 - List of contentsba75370e03 11/20091 Overview . . . . . . . . . . . . . . . . . . . . . . . . .

Operation handylab pH/LF 1230ba75370e03 11/2009NoteAt this point, the AutoCal DIN calibration can be terminated with <M>. This corresponds to a

handylab pH/LF 12 Operation31ba75370e03 11/200911 Press the <RUN/ENTER> key. The value of the asymmetry (mV) appears on the display.12 Switch to

Operation handylab pH/LF 1232ba75370e03 11/20094.3.3 ConCalTwo-pointcalibrationFor this procedure, use two buffer solutions:z pH 7.0 ± 0.5z any other

handylab pH/LF 12 Operation33ba75370e03 11/20098 Thoroughly rinse the electrode with deionized water.9 If required, enter the temperature of the secon

Operation handylab pH/LF 1234ba75370e03 11/200915 Switch to the measuring mode with <M>.LinAutoCal DINAutoCal TECYAS0RCLSalcmTimeDay.MonthSalSto

handylab pH/LF 12 Operation35ba75370e03 11/20094.4 Conductivity/Salinity4.4.1 General informationCautionWhen connecting an earthed PC/printer, measure

Operation handylab pH/LF 1236ba75370e03 11/2009Checking the cellconstant1 Press the <RCL> key repeatedly until CAL disp appears on the display.

handylab pH/LF 12 Operation37ba75370e03 11/20094.4.2 Measuring the conductivityYou can meaure the conductivity as follows:4.4.3 Measuring the salinity

Operation handylab pH/LF 1238ba75370e03 11/20094.4.4 AutoRead AR (drift control)The AutoRead function (drift control) checks the stability of the meas

handylab pH/LF 12 Operation39ba75370e03 11/20094.4.5 Determining the cell constant (Calibration in the control standard)Why determine thecell constant

List of contents handylab pH/LF 124ba75370e03 11/20094.7 Transmitting data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 574.

Operation handylab pH/LF 1240ba75370e03 11/2009CalibrationevaluationAfter the calibration, the measuring instrument automatically evaluates the curren

handylab pH/LF 12 Operation41ba75370e03 11/2009NoteIf the error message E3 appears, refer to chapter 6 WHAT TO DO IF... 5 To return to the measuring m

Operation handylab pH/LF 1242ba75370e03 11/20094.4.6 Setting the temperature compensationThe calculation of the temperature compensation is based on t

handylab pH/LF 12 Operation43ba75370e03 11/2009Selecting thenonlineartemperaturecompensationYou can select the nonlinear temperature compensation as f

Operation handylab pH/LF 1244ba75370e03 11/20092 Press the <RUN/ENTER> key.3 Press the <CAL> key repeatedly until the adjustable linear te

handylab pH/LF 12 Operation45ba75370e03 11/2009Switching thetemperaturecompensation offYou can switch off the temperature compensation as follows:1 Pr

Operation handylab pH/LF 1246ba75370e03 11/20094.5 Calibration intervals (Int 3, Int 5)For each measured variable, a time interval is stored. When it

handylab pH/LF 12 Operation47ba75370e03 11/20094.6 SavingThe measuring instrument has an internal data memory. It can store up to 500 data records. A

Operation handylab pH/LF 1248ba75370e03 11/2009Message StoFull This message appears when all of the 500 storage locations are occupied.You have the fo

handylab pH/LF 12 Operation49ba75370e03 11/20094.6.2 Switching on AutoStore (Int 1)The save interval (Int 1) determines the chronological interval bet

handylab pH/LF 12 Overview5ba75370e03 11/20091 Overview1.1 General featuresThis compact precision handheld meter enables you to carry out pH / ORP mea

Operation handylab pH/LF 1250ba75370e03 11/2009As soon as all of the 500 storage locations are occupied, AutoStore is termi-nated (Int 1 = OFF). If th

handylab pH/LF 12 Operation51ba75370e03 11/20094.6.3 Outputting the data storageYou can output the contents of the data storage:z Stored data on the d

Operation handylab pH/LF 1252ba75370e03 11/2009NoteIf you want to search for a certain element of the data record (e.g. date), pro-ceed as follows:Out

handylab pH/LF 12 Operation53ba75370e03 11/2009Sample printout:Outputting thecalibration dataon the displayNo. 1: 09.03.99 17:10pH 10.01

Operation handylab pH/LF 1254ba75370e03 11/20093 Press <RUN/ENTER> to display the value of the asymmetry (mV).4 Press <RUN/ENTER> to displ

handylab pH/LF 12 Operation55ba75370e03 11/2009Outputting thecalibrationprotocol on theinterfaceSample printout:1 Press the <RCL> key repeatedly

Operation handylab pH/LF 1256ba75370e03 11/20094.6.4 Clearing the memoryWith this function, you can delete stored data records. 500 storage locations

handylab pH/LF 12 Operation57ba75370e03 11/20094.7 Transmitting data You have the following possibilities of transmitting data:z One of the following

Operation handylab pH/LF 1258ba75370e03 11/2009NoteWhen the AutoStore function is active at the same time, the data transmis-sion is performed accordi

handylab pH/LF 12 Operation59ba75370e03 11/20094.8 ConfigurationYou can adapt the measuring instrument to your individual requirements. To do this, th

Overview handylab pH/LF 126ba75370e03 11/20091.2 KeypadKey functionsMCALSTORUN/ENTERARRCLSelect the measured variable <M>:– pH value / ORP volta

Operation handylab pH/LF 1260ba75370e03 11/2009Calibrationintervals pH6 Select the required display during the pH calibration with <▲> <▼>

handylab pH/LF 12 Operation61ba75370e03 11/2009Switching over thereferencetemperatureDate and time12 Using <▲> <▼>, toggle between t20 and

Operation handylab pH/LF 1262ba75370e03 11/20094.9 Reset You can reset (initialize) the measurement parameters and the configuration parameters separa

handylab pH/LF 12 Operation63ba75370e03 11/2009Resetting themeasuringparameters1 Press the <RUN/ENTER> key and hold it down.2 Press the <CAL&

Operation handylab pH/LF 1264ba75370e03 11/2009Resetting theconfigurationparameters7 Using <▲> <▼>, toggle between no and YES.YES: Resetti

handylab pH/LF 12 Maintenance, cleaning, disposal65ba75370e03 11/20095 Maintenance, cleaning, disposal5.1 MaintenanceThe measuring instrument is almos

Maintenance, cleaning, disposal handylab pH/LF 1266ba75370e03 11/2009NoteFor maintenance of electrodes and measuring cells, follow the corresponding o

handylab pH/LF 12 What to do if...67ba75370e03 11/20096 What to do if...6.1 pH system messagesError message 0FL Error message E3 Cause RemedypH elec

What to do if... handylab pH/LF 1268ba75370e03 11/2009 No stable mea-sured value Obviously incor-rect measured val-uesBuffer solutions– Incorrect bu

handylab pH/LF 12 What to do if...69ba75370e03 11/20096.2 Conductivity system messagesError message OFL Error message E3 6.3 General errorsDisplay Lo

handylab pH/LF 12 Overview7ba75370e03 11/20091.3 Display1.4 Jack field1 Conductivity measuring cell2 pH electrode3 pH temperature probe4 Plug-in power

What to do if... handylab pH/LF 1270ba75370e03 11/2009Message StoFull Cause Remedy– All memory locations are full – Output data storage and clear data

handylab pH/LF 12 Lists71ba75370e03 11/20097ListsThis chapter provides additional information and orientation aids.Abbreviations The list of abbreviat

Lists handylab pH/LF 1272ba75370e03 11/2009AbbreviationsConductivity value (international γ)AR AutoRead (drift control)ARng Automatic range switchingM

handylab pH/LF 12 Lists73ba75370e03 11/2009SLO Slope setting on calibrationTC Temperature coefficient (internat. α)TP Temperature measurement active (

Lists handylab pH/LF 1274ba75370e03 11/2009GlossaryAdjusting To manipulate a measuring system so that the relevant value (e. g. the displayed value) d

handylab pH/LF 12 Lists75ba75370e03 11/2009Measuring system The measuring system comprises all the devices used for measuring, e. g. measuring instrum

Lists handylab pH/LF 1276ba75370e03 11/2009TemperaturecompensationName of a function that considers the temperature influence on the measurement and c

Cond 330i/340i Index77ba75370e03 11/2009IndexAAsymmetry 23Authorized use 13AutoCal DIN 23, 29AutoCal TEC 23, 25AutoRead 20, 38CCalibration evaluation

Index Cond 330i/340i78ba75370e03 11/2009

Overview handylab pH/LF 128ba75370e03 11/20091.5 Operating structureThe following overview diagram shows which keys you have to press to se-lect betwe

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

handylab pH/LF 12 Overview9ba75370e03 11/20091.6 Technical dataDimensionsand weightMechanicalstructure Electricalsafety Test certificates Ambient cond