YSI 85, Operation Manual

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CONTENTS
SECTION 1 Introduction....................................................................................................................1
SECTION 2 Preparing The Meter....................................................................................................3
2.1 Unpacking.............................................................................................................................3
2.2 Warranty Card.......................................................................................................................3
2.3 Batteries ................................................................................................................................3
2.4 Calibration/Storage Chamber...............................................................................................5
2.5 Hand Strap ............................................................................................................................5
2.6 The Meter Case.....................................................................................................................5
SECTION 3 Preparing The Probe....................................................................................................7
3.1 Membrane Cap Installation ................................................................................................7
SECTION 4 Overview Of Operation................................................................................................9
SECTION 5 Calibration...................................................................................................................11
5.1 Calibration of Dissolved Oxygen.......................................................................................11
5.2 Calibration of Conductivity................................................................................................12
SECTION 6 Advanced Conductivity Setup...................................................................................15
6.1 Changing the Temperature Coefficient..............................................................................15
6.2 Changing the Reference Temperature ...............................................................................16
6.3 Changing from Autoranging to Manual Ranging .............................................................16
SECTION 7 Making Measurements ..............................................................................................17
7.1 Turning the Instrument On.................................................................................................17
7.2 The Measurement Modes of the Model 85........................................................................17
7.3 Autoranging and Range Searching ....................................................................................18
7.4 The Backlight......................................................................................................................18
SECTION 8 Saving Data...................................................................................................................21
8.1 Saving Data to Memory .....................................................................................................21
8.2 Recalling Stored Data.........................................................................................................21
8.3 Erasing Stored Data............................................................................................................22
SECTION 9 Maintenance ................................................................................................................23
9.1 Cleaning and Storage..........................................................................................................23
SECTION 10 Principles Of Operation............................................................................................25
10.1 Temperature Effect on Conductivity ...............................................................................25