Xylem handylab LF 11 User Manual

ba75365d04 01/2011Operating manualhandylab LF 11 Conductivity MeterAROCALARS/cmTref25nLF052305°CTPM

Overview handylab LF 1110ba75365e04 01/2011Power supply Applicableguidelines andnorms Batteries 4 x 1.5 V alkali-manganese batteries, Type AAOperation

handylab LF 11 Safety11ba75365e04 01/20112SafetyThis operating manual contains basic instructions that you must follow during the commissioning, opera

Safety handylab LF 1112ba75365e04 01/20112.2 General safety instructionsThis instrument is built and inspected according to the relevant guidelines an

handylab LF 11 Commissioning13ba75365e04 01/20113 Commissioning3.1 Scope of deliveryz Handheld meter, handylab LF 11z Operating manual and short opera

Commissioning handylab LF 1114ba75365e04 01/2011

handylab LF 11 Operation15ba75365e04 01/20114 Operation4.1 Switching on the measuring instrumentNote The measuring instrument has an energy saving fea

Operation handylab LF 1116ba75365e04 01/20114.2 Measuring4.2.1 General informationPreparatoryactivitiesPerform the following preparatory activities wh

handylab LF 11 Operation17ba75365e04 01/20114.2.2 Conductivity / Resistivity NoteYou can display measured values in the units μS/cm (conductivity) or

Operation handylab LF 1118ba75365e04 01/20114.2.3 Salinity You can measure the salinity as follows:4.2.4 TDS (Total dissolved solids)You can measure t

handylab LF 11 Operation19ba75365e04 01/2011AutoRead AR(drift control)The AutoRead function (drift control) checks the stability of the measurement si

handylab LF 112ba75365d04 01/2011Accuracy whengoing to pressThe use of advanced technology and the high quality standard of our instruments are the re

Operation handylab LF 1120ba75365e04 01/20114.3 Determining/setting up the cell constant [C]Why determine/setup the cellconstant?Aging slightly change

handylab LF 11 Operation21ba75365e04 01/20114.3.1 Determining the cell constant (calibrating in the control standard)NoteThis method of automatically

Operation handylab LF 1122ba75365e04 01/2011NoteIf the error message E3 appears, refer to chapter 6 WHAT TO DO IF... 6 Press the <RUN/ENTER> key

handylab LF 11 Operation23ba75365e04 01/20114.3.2 Setting the cell constant manuallyNoteThe cell constant to be set must either be taken from the oper

Operation handylab LF 1124ba75365e04 01/2011Range0.090 ... 0.110 cm-15 To return to the measuring mode: Press the <M> key. From now on, the cell

handylab LF 11 Operation25ba75365e04 01/2011Setting the fixedcell constant0.010 cm-1You can set the fixed value 0.010 cm-1 for the cell constant as fo

Operation handylab LF 1126ba75365e04 01/20114.3.3 Setting the temperature compensation TCThe calculation of the temperature compensation is based on t

handylab LF 11 Operation27ba75365e04 01/2011Selecting thenonlineartemperaturecompensationYou can select the nonlinear temperature compensation as foll

Operation handylab LF 1128ba75365e04 01/2011Selecting thelineartemperaturecompensationYou can select the linear temperature compensation as follows:1

handylab LF 11 Operation29ba75365e04 01/2011Switching thetemperaturecompensation offYou can switch off the temperature compensation as follows:1 Press

handylab LF 11 List of contents3handylab LF 11 - List of contentsba75365e04 01/20111 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation handylab LF 1130ba75365e04 01/20114.4 ConfigurationYou can adapt the measuring instrument to your individual requirements. To do this, the f

handylab LF 11 Operation31ba75365e04 01/2011Display of themeasured value asconductivity /resistivity6 Using <V> <W>, switch between S/cm a

Operation handylab LF 1132ba75365e04 01/20114.5 Reset MeasurementparametersThe following measured parameters (ϰ InI) are reset to the default conditio

handylab LF 11 Maintenance, cleaning, disposal33ba75365e04 01/20115 Maintenance, cleaning, disposal5.1 MaintenanceThe measuring instrument is almost m

Maintenance, cleaning, disposal handylab LF 1134ba75365e04 01/2011NoteFor the maintenance of the measuring cells, follow the corresponding oper-ating

handylab LF 11 What to do if...35ba75365e04 01/20116 What to do if... LoBat display Instrument doesnot react to key-stroke Error message OFL Error me

What to do if... handylab LF 1136ba75365e04 01/2011

handylab LF 11 Lists37ba75365e04 01/20117ListsThis chapter provides additional information and orientation aids.Abbreviations The list of abbreviation

Lists handylab LF 1138ba75365e04 01/2011AbbreviationsConductivity value (international γ)AR AutoRead (drift control)ARng Automatic range switchingMeas

handylab LF 11 Lists39ba75365e04 01/2011GlossaryAdjusting To manipulate a measuring system so that the relevant value (e. g. the displayed value) diff

List of contents handylab LF 114ba75365e04 01/2011

Lists handylab LF 1140ba75365e04 01/2011Standard solution The standard solution is a solution where the measured value is known by definition. It is u

handylab LF 11 Index41ba75365e04 01/2011IndexAAuthorized use 11AutoRead 19CCalibration 20Calibration evaluation 20Cell constant 20determine 21set manu

Index handylab LF 1142ba75365e04 01/2011

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handylab LF 11 Overview5ba75365e04 01/20111 OverviewThe compact precision handheld meter handylab LF 11 enables you to carry out conductivity measurem

Overview handylab LF 116ba75365e04 01/20111.1 KeypadKey functionsCALRUN/ENTERARMSelect the measuring mode <M>:– Conductivity/Resistivity – Salin

handylab LF 11 Overview7ba75365e04 01/20111.2 Display1.3 Jack fieldCautionOnly connect conductivity measuring cells to the measuring instrument that c

Overview handylab LF 118ba75365e04 01/20111.4 Technical DataDimensionsand weightMechanicalstructure Electrical safety Test certificates Ambient condit

handylab LF 11 Overview9ba75365e04 01/2011Accuracy(±1 digit) Cell constant,calibration Cell constant,selection Referencetemperature Temperature input