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3/08 UDA2182 Universal Dual Analyzer Product Manual vii
6.16 Variables Configuration ..........................................................................................................105
6.17 Communication Configuration................................................................................................106
6.18 Maintenance Configuration.....................................................................................................108
7 INPUTS AND OUTPUTS WIRING.....................................................................114
7.1 Overview.....................................................................................................................................114
7.2 General Wiring Practices ............................................................................................................115
7.3 Inputs and Outputs ......................................................................................................................117
7.4 Direct pH/ORP Input Wiring Diagrams......................................................................................120
7.5 pH Input from External Preamplifier/Cap Adapter Wiring Diagrams........................................126
7.6 Conductivity................................................................................................................................130
7.7 Dissolved Oxygen.......................................................................................................................131
7.8 Communications Card.................................................................................................................133
7.9 Outputs........................................................................................................................................134
7.10 Option Card.............................................................................................................................135
8 INPUT CALIBRATION.......................................................................................136
8.1 Overview.....................................................................................................................................136
8.2 Calibration Menu ........................................................................................................................137
8.3 pH/ORP and Conductivity Overview .........................................................................................138
8.4 Recommendations for Successful Measurement and Calibration...............................................139
8.5 pH Calibration.............................................................................................................................140
8.5.1 Introduction......................................................................................................................140
8.5.2 Calibrating pH Electrodes Using Automatic Buffer recognition .....................................141
8.5.3 Buffering Method of Calibrating pH Electrodes..............................................................145
8.5.4 Sample Method of Calibrating pH Electrodes .................................................................148
8.5.5 Viewing and resetting pH Offset and (Standardization) pH Slope ..................................150
8.6 ORP Calibration..........................................................................................................................151
8.6.1 Introduction......................................................................................................................151
8.6.2 ORP Calibration Using Reference Solution.....................................................................151
8.6.3 ORP Calibration Using Voltage Input .............................................................................154
8.6.4 Viewing and Resetting ORP Offset .................................................................................156
8.7 Conductivity Calibration.............................................................................................................157
8.7.1 Introduction......................................................................................................................157
8.7.2 Entering the Cal Factor for each cell................................................................................157
8.7.3 Determining and Entering the TDS Conversion Factor...................................................157
8.7.4 Determining TDS conversion factor ................................................................................158
8.7.5 Performing Calibration Trim............................................................................................159
8.7.6 Resetting Calibration Trim...............................................................................................162
8.7.7 Cation pH Calibration ......................................................................................................163
8.7.8 Resetting pH Offset..........................................................................................................165
8.8 Dissolved Oxygen Calibration....................................................................................................166