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9.0 CALIBRATION - FREE CHLORINE (498 ACL-01) ................................................ 60
9.1 Introduction.............................................................................................................. 60
9.2 Zeroing the Sensor.................................................................................................. 61
9.3 Full Scale Calibration............................................................................................... 62
9.4 Dual Slope Calibration............................................................................................. 63
10.0 CALIBRATION - TOTAL CHLORINE ..................................................................... 65
11.0 CALIBRATION - MONOCHLORAMINE ................................................................. 67
11.1 Introduction.............................................................................................................. 67
11.2 Zeroing the Sensor.................................................................................................. 68
11.3 Full Scale Calibration............................................................................................... 69
12.0 CALIBRATION - OZONE........................................................................................ 70
12.1 Introduction.............................................................................................................. 70
12.2 Zeroing the Sensor.................................................................................................. 71
12.3 Full Scale Calibration............................................................................................... 72
13.0 CALIBRATION - pH................................................................................................ 73
13.1 Introduction.............................................................................................................. 73
13.2 Automatic Two-Point Calibration ............................................................................. 74
13.3 Manual Two-Point Calibration.................................................................................. 76
13.4 Standardization (One-Point Calibration).................................................................. 78
13.5 pH Slope Adjustment............................................................................................... 79
14.0 CALIBRATION - CURRENT OUTPUTS................................................................. 80
14.1 Introduction.............................................................................................................. 80
14.2 Trimming the Outputs.............................................................................................. 80
15.0 PID AND TPC CONTROL....................................................................................... 81
15.1 PID Control.............................................................................................................. 81
15.2 Time Proportional Control (TPC)............................................................................. 85
16.0 TROUBLESHOOTING............................................................................................ 86
16.1 Overview.................................................................................................................. 86
16.2 Troubleshooting When a Fault Message is Showing.............................................. 86
16.3 Troubleshooting When No Fault Message is Showing - Temperature.................... 88
16.4 Troubleshooting When No Fault Message is Showing - Oxygen............................ 88
16.5 Troubleshooting When No Fault Message is Showing - Free Chlorine.................. 91
16.6 Troubleshooting When No Fault Message is Showing - Total Chlorine.................. 93
16.7 Troubleshooting When No Fault Message is Showing - Monochloramine ............. 94
16.8 Troubleshooting When No Fault Message is Showing - Ozone ............................. 97
16.9 Troubleshooting When No Fault Message is Showing - pH ................................... 99
16.10 Troubleshooting Not Related to Measurement Problems ....................................... 102
16.11 Simulating Inputs - Dissolved Oxygen .................................................................... 102
16.12 Simulating Inputs - Other Amperometric Measurements ........................................ 103
16.13 Simulating Inputs - pH............................................................................................. 104
16.14 Simulating Temperature........................................................................................... 105
16.15 Measuring Reference Voltage................................................................................. 106
17.0 MAINTENANCE...................................................................................................... 107
18.0 RETURN OF MATERIALS...................................................................................... 108
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MODEL 54eA TABLE OF CONTENTS
TABLE OF CONTENTS (CONTINUED)
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