Contents - wtw MultiLab 540 Bedienungsanleitung

Safety guidelines ..............................................................................................................................................................3
Contents .............................................................................................................................................................................6
Recommended basic equipment for pH measurement..................................................................................................8
Recommended basic equipment for conductivity measurement .................................................................................9
Definition of symbols ......................................................................................................................................................10
View of the instrument ....................................................................................................................................................11
Front view..................................................................................................................................................................11
Rear panel.................................................................................................................................................................12
Sockets .............................................................................................................................................................................13
Definiton of control elements .........................................................................................................................................17
Display ......................................................................................................................................................................17
Displayed symbols............................................................................................................................................18
Keypad ......................................................................................................................................................................19
Putting into operation......................................................................................................................................................20
Calibration ........................................................................................................................................................................21
Selection of calibration procedure.............................................................................................................................21
Automatic calibration with DIN/NBS standard buffers: "AutoCal"..............................................................................22
pH measurement..............................................................................................................................................................25
Continuous pH measuring (ohne automatische Driftkontrolle AR)............................................................................25
pH measuring with automatic drift control AR ...........................................................................................................25
Measuring without temperature sensor .....................................................................................................................27
Calibration without temperature sensor ............................................................................................................27
pH measuring without temperature sensor .......................................................................................................28
Temperature compensation ......................................................................................................................................29
Further calibration functions ..........................................................................................................................................30
Automatic calibration with a selection of Technical buffers: "AutoCal Var" ...............................................................30
Conventional calibration with any buffers: "ConCal" .................................................................................................33
Conventional two point calibration "ConCal".....................................................................................................33
Conventional one point calibration "ConCal" ....................................................................................................35
Stirrer function .................................................................................................................................................................37
mV measurement.............................................................................................................................................................38
Absolute voltage measurement.................................................................................................................................38
Conductivity measurement.............................................................................................................................................39
Conductivity measurement........................................................................................................................................39
Setting of cell constant C ..........................................................................................................................................39
Setting of temperature function TC ...........................................................................................................................41
Salinity measurement................................................................................................................................................43
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Contents

BA61103/08.00/Pro/MultiLab540-1