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TABLE OF CONTENTS
Introduction................................................................................................................................................ 4
Display Description ................................................................................................................................... 5
Keyboard description ................................................................................................................................ 7
Menu description ......................................................................................................................................11
User Management .....................................................................................................................................17
Settings ..................................................................................................................................................17
Access modes ........................................................................................................................................17
Functions reserved to the administrator...................................................................................................18
pH measurement.......................................................................................................................................19
Automatic or manual temperature compensation for pH measurement................................................20
pH electrode calibration ......................................................................................................................21
Calibration procedure .........................................................................................................................21
Temperature characteristics of Delta OHM standard solutions ............................................................23
Conductivity measurement ......................................................................................................................24
Automatic or manual temperature compensation for conductivity measurement ..................................25
Resistivity, TDS and salinity measurements........................................................................................26
Calibration of conductivity...................................................................................................................26
Automatic calibration of conductivity using memorized standard solutions...........................................26
Manual calibration of conductivity using not-memorized standard solutions.........................................28
Table of standard solutions at 147
μ
S/cm, 1413
μ
S/cm, 12880
μ
S/cm and 111800
μ
S/cm ......................30
Measurement of the dissolved Oxygen ...................................................................................................31
How to measure .................................................................................................................................31
Calibration of the dissolved Oxygen probe ..........................................................................................32
Electrolyte solution and/or membrane replacement.............................................................................33
Check the probe's status ....................................................................................................................34
Control the zero of the probe ..............................................................................................................34
Dissolved Oxygen probe storage ........................................................................................................34
Polarographic probe and galvanic probe: differences ..........................................................................34
Temperature measurement ......................................................................................................................35
How to measure .................................................................................................................................35
Warnings and operating instructions on the temperature sensors........................................................36
Instrument storage ...................................................................................................................................37
pH, conductivity and dissolved Oxygen measurements - Most frequent problems, possible causes
and handling .............................................................................................................................................38
Instrument functioning ........................................................................................................................38
pH measurement................................................................................................................................38
Conductivity measurement .................................................................................................................38
Measurement of the dissolved Oxygen ...............................................................................................39
Instrument Signals and Faults .................................................................................................................40
Battery symbol and battery replacement.................................................................................................41
Serial interface and USB...........................................................................................................................43
Connection to a PC...................................................................................................................................46
Connection to the RS232C serial port .....................................................................................................46
Connection to the USB 2.0 port...............................................................................................................46
Bluetooth Connection..............................................................................................................................48
