Xylem VARIO WATERPROOF PH METER Manuel d'utilisateur

ba75373e04 07/2006VARIO pHOperating manualHand-held pH meter

Commissioning VARIO pH10ba75373e04 07/20063.2 Initial commissioningPerform the following activities:z Connect the electrode to the meter (see section

VARIO pH Commissioning11ba75373e04 07/2006If you do not wish to measure immediately, put the watering cap on the short pH electrode (see section 5.4).

Commissioning VARIO pH12ba75373e04 07/20063.4 Connecting an electrodeThe adapters make the meter compatible with commercial electrodes. You can turn t

VARIO pH Commissioning13ba75373e04 07/2006VARIO pH withconnectedelectrodeDIN adapterElectrodePlug of the NTC 30temperature sensorh:min1CLRLoBatDay.Mon

Commissioning VARIO pH14ba75373e04 07/20063.4.2 Electrode without temperature sensorConnect an electrode without an integrated temperature sensor to t

VARIO pH Commissioning15ba75373e04 07/20063.4.3 Electrode with S7 connectorElectrodes with a plug head connector can be connected directly to the S7 a

Commissioning VARIO pH16ba75373e04 07/20063.4.4 Connecting an external temperature probeWhen using an electrode without temperature sensor it is possi

VARIO pH Operation17ba75373e04 07/20064 Operation4.1 Operating elementsThe entire operation is carried out via the touch sensitive surface of the disp

Operation VARIO pH18ba75373e04 07/2006Touch screenoperationIn this operating manual, keys are indicated by angle brackets <..>. The touch scree

VARIO pH Operation19ba75373e04 07/20064.2 Switching on the meterNoteThe meter has an energy saving feature to avoid unnecessary battery depletion. The

VARIO pHba75373e04 07/2006Accuracy whengoing to pressThe use of advanced technology and the high quality standard of our instruments are the result of

Operation VARIO pH20ba75373e04 07/20064.3.2 Measuring the pH value4.3.3 Measuring the temperatureFor reproducible pH measurements, it is essential to

VARIO pH Operation21ba75373e04 07/2006NoteThe meter automatically recognizes a temperature sensor. The display accuracy of the temperature indicates w

Operation VARIO pH22ba75373e04 07/20064.4 CalibrationWhy calibrate? pH electrodes age. This changes the asymmetry (zero point) and slope of the pH ele

VARIO pH Operation23ba75373e04 07/2006NoteIf the slope (SLO) is indicated on the display, you can change the unit of the slope with <"> [&l

Operation VARIO pH24ba75373e04 07/20064.4.1 Carrying out calibrationPreparatoryactivitiesManualtemperature inputWhen measuring via an adapter with a s

VARIO pH Operation25ba75373e04 07/2006NoteAt this point, calibration can be terminated with <E>. This corresponds to a single-point calibration.

Operation VARIO pH26ba75373e04 07/2006Three-pointcalibrationNoteYou can also terminate the calibration prematurely with <E>. The values of the t

VARIO pH Operation27ba75373e04 07/20064.4.2 Displaying the calibration dataThe calibration data are displayed after calibrating (see section 4.4.1) an

Operation VARIO pH28ba75373e04 07/20064.4.3 Setting the calibration intervalThe calibration interval determines how many days after the last calibrati

VARIO pH Operation29ba75373e04 07/20064.5 SavingThe VARIO pH meter has a data memory. It can store up to 50 measurement datasets, depending on the sho

VARIO pH31 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Safety . . . . . . . . . . . . . . . . . . . . .

Operation VARIO pH30ba75373e04 07/2006If all memory locations are occupied, the StoFull message appears. You have the following options:4.5.2 Displayi

VARIO pH Operation31ba75373e04 07/20064.5.3 Erasing measured data from the memoryTo erase all datasets proceed as follows:4.6 ClockThe meter has a clo

Operation VARIO pH32ba75373e04 07/2006Setting the dateand time1 Switch on the meter with <(>. After a short display test, a measured value is di

VARIO pH Operation33ba75373e04 07/20064.6.2 Alarm functionWith the alarm function you set a point of time (alarm time) at which an alarm signal should

Operation VARIO pH34ba75373e04 07/2006Switching off thealarm function4.6.3 StopwatchWith the stopwatch, you measure time periods of up to 59:59 (minut

VARIO pH Operation35ba75373e04 07/20064.6.4 TimerThe timer function can count down the seconds of a specified time interval (timer interval) of maximu

Operation VARIO pH36ba75373e04 07/20064.7 Switch-off intervalThe automatic switch-off switches off the meter automatically if no entry is made for a s

VARIO pH Operation37ba75373e04 07/20064.8 Turning the displayWhen operating the meter with the adapter, the display indication can be turned by 180 de

Operation VARIO pH38ba75373e04 07/20064.9 ResetThe following measurement parameters are reset to the delivery status:NoteThe calibration data gets los

VARIO pH Maintenance, cleaning, disposal39ba75373e04 07/20065 Maintenance, cleaning, disposal5.1 MaintenanceThe meter is almost maintenance-free. The

VARIO pH46 What to do if... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437 Technical data . . . . . . . . . . . . . . . . . .

Maintenance, cleaning, disposal VARIO pH40ba75373e04 07/20065.3 CleaningOccasionally wipe the outside of the meter with a damp, soft cloth.CautionThe

VARIO pH Maintenance, cleaning, disposal41ba75373e04 07/20065.4 StorageTo maintain the operability of the meter and short pH electrode for a long time

Maintenance, cleaning, disposal VARIO pH42ba75373e04 07/20065.5 TransportActivate the cleaning mode. Thus, the instrument will not interpret any conta

VARIO pH What to do if...43ba75373e04 07/20066 What to do if...Error message0FL0FL0FL0FL, UFLUFLUFLUFL Error messageErr3Err3Err3Err3 Cause Remedy–

What to do if... VARIO pH44ba75373e04 07/2006Error messageErr4Err4Err4Err4Error messageErr5Err5Err5Err5No stablemeasured value Cause RemedyNo short

VARIO pH What to do if...45ba75373e04 07/2006Display of l Instrument doesnot reactto keystroke Sensor symbolflashes Message StoFullStoFullStoFullStoFu

What to do if... VARIO pH46ba75373e04 07/2006

VARIO pH Technical data47ba75373e04 07/20067 Technical dataDepending on the connected sensor (short pH electrode or external electrode), the VARIO pH

Technical data VARIO pH48ba75373e04 07/20067.2 Measuring ranges, resolution, accuracy7.2.1 Short pH electrode SenTix V7.2.2 Adapter with electrode (DI

VARIO pH Lists49ba75373e04 07/20068ListsThis chapter provides additional information and orientation aids.Abbreviations The list of abbreviations expl

VARIO pH Overview5ba75373e04 07/20061 OverviewThe hand-held VARIO pH meter enables you to measure the pH value of a solution very simply. All function

Lists VARIO pH50ba75373e04 07/2006AbbreviationsASY AsymmetryNIST pH calibration with buffer solutions produced according to DIN 19266TEC pH calibratio

VARIO pH Lists51ba75373e04 07/2006GlossaryAdjusting To manipulate a measuring system so that the relevant value (e. g. the displayed value) differs as

Lists VARIO pH52ba75373e04 07/2006pH value The pH is a measure of the acidic or basic effect of an aqueous solution. It corresponds to the negative de

VARIO pH Index539 IndexAAlarm function ...33Asymmetry ...22Authorized

Index VARIO pH54

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Overview VARIO pH6ba75373e04 07/2006NoteCertain sensors enhance the scope of functions of the VARIO pH. More detailed information on the presently ava

VARIO pH Safety7ba75373e04 07/20062SafetyThis operating manual contains basic instructions that you must follow during the commissioning, operation an

Safety VARIO pH8ba75373e04 07/20062.2 General safety instructionsThis instrument is built and inspected according to the relevant guidelines and norms

VARIO pH Commissioning9ba75373e04 07/20063 Commissioning3.1 Scope of deliveryVARIO pH singlemeterz VARIO pH hand-held meterz WTW Technical buffers– pH