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MODEL 396R pH/ORP TABLE OF CONTENTS
MODEL 396R AND 396RVP
RETRACTABLE pH/ORP SENSORS
TABLE OF CONTENTS
Section Title Page
1.0 DESCRIPTION AND SPECIFICATIONS........................................................... 1
1.1 Features and Applications................................................................................. 1
1.2 Performance and Physical Specifications ......................................................... 2
1.3 Ordering Information ......................................................................................... 3
2.0 INSTALLATION ................................................................................................. 6
2.1 Unpacking and Inspection................................................................................. 6
2.2 Mechanical Installation ..................................................................................... 6
3.0 WIRING MODEL 396R...................................................................................... 14
4.0 WIRING MODEL 396RVP................................................................................. 23
5.0 START UP AND CALIBRATION........................................................................ 30
5.1 Start up.............................................................................................................. 30
5.2 pH Calibration ................................................................................................... 30
5.3 ORP Calibration ................................................................................................ 31
6.0 MAINTENANCE ................................................................................................ 32
6.1 Maintenance...................................................................................................... 32
6.2 Sensor Removal................................................................................................ 32
6.3 pH Electrode Cleaning ...................................................................................... 32
6.4 Platinum Electrode Cleaning............................................................................. 33
6.5 Automatic Temperature Compensation............................................................. 33
6.6 Sensor Tube Replacement................................................................................ 33
7.0 DIAGNOSTIC AND TROUBLESHOOTING ...................................................... 36
7.1 Diagnostics and Troubleshooting with Model 54/3081 pH/ORP Diagnostics.... 36
7.2 Troubleshooting without Diagnostics................................................................. 37
8.0 RETURN OF MATERIAL................................................................................... 38
LIST OF TABLES
Table No. Title Page
1-1 Commonly Used Accessories for Model 396R.................................................. 4
1-2 Other Accessories for Model 396R ................................................................... 4
1-3 Commonly Used Accessories for Model 396RVP ............................................. 5
1-4 Other Accessories for Model 396RVP............................................................... 5
5-1 ORP of Saturated Quinhydrone Solutions ........................................................ 31
6-1 R
o
and R
1
Values for Temperature Compensation Elements........................... 33
6-2 Temperature vs. Resistance of Auto T.C. Elements .......................................... 33
7-1 Troubleshooting with Diagnostics...................................................................... 36
7-2 Troubleshooting without Diagnostics................................................................. 37
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