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Table of Contents
Page 5
970ESTOC.fm Table of Contents
4.10.4.2 Sensor Height ........................................................................................................................... 85
4.10.4.3 Setting the Invisible Range ....................................................................................................... 86
4.11 In-Pipe Ultrasonic Sensor ............................................................................................................................... 87
4.11.1 Mounting the In-Pipe Sensor................................................................................................................. 87
4.11.2 Beam Angle........................................................................................................................................... 88
4.11.3 Programming the In-Pipe Ultrasonic Sensor ......................................................................................... 88
4.11.4 Calibrating the In-Pipe Ultrasonic Sensor.............................................................................................. 88
4.11.4.1 Liquid Depth.............................................................................................................................. 89
4.11.4.2 Sensor Height ........................................................................................................................... 89
4.11.4.3 Setting the Invisible Range ....................................................................................................... 90
4.11.5 Protecting the In-Pipe Ultrasonic Sensor............................................................................................... 90
4.11.6 In-Pipe Ultrasonic Sensor Troubleshooting............................................................................................ 90
4.12 Velocity-Only Sensor....................................................................................................................................... 90
4.12.1 Programming the Velocity-Only Sensor................................................................................................. 91
4.12.2 Calibrating the Velocity-Only Sensor ..................................................................................................... 91
4.12.3 Installing the Velocity-Only Sensor in a Pipe ......................................................................................... 92
4.12.3.1 Important Guidelines for Velocity-Only Sensor Installation....................................................... 92
4.12.3.2 Choosing a Mounting Band ...................................................................................................... 92
4.12.3.3 Connecting the Sensor to the Mounting Bands ........................................................................ 92
4.12.3.4 Compensating for Velocity Direction......................................................................................... 94
4.12.3.5 Placing the Sensor and Mounting Band into the Pipe .............................................................. 94
4.13 Submerged Area Velocity Sensors ................................................................................................................. 95
4.13.1 Programming the Submerged Area/Velocity Sensor ............................................................................. 95
4.13.2 Calibrating the Submerged Area/Velocity Sensor.................................................................................. 96
4.13.3 Installing a Submerged Area/Velocity Sensor in a Pipe......................................................................... 97
4.13.3.1 Important Guidelines for Submerged Area/Velocity Sensor Installation................................... 97
MAINTENANCE................................................................................................................................................... 99
Section 5 Maintenance ................................................................................................................................... 101
5.1 Routine Maintenance ...................................................................................................................................... 101
5.1.1 Calibration ............................................................................................................................................. 101
5.1.2 Cleaning the Case................................................................................................................................. 101
5.2 Upgrades, Repairs, General Maintenance...................................................................................................... 101
5.2.1 Internal Maintenance Items ................................................................................................................... 101
5.2.2 Opening the Front Panel........................................................................................................................ 101
5.3 Fuse Replacement.......................................................................................................................................... 102
5.4 Memory Batteries............................................................................................................................................ 103
5.5 Ultrasonic Sensor Maintenance ...................................................................................................................... 103
5.6 Cleaning and Maintaining Submerged Area/Velocity Sensors....................................................................... 104
5.6.1 Submerged Area/Velocity Sensor Cleaning Procedure........................................................................ 104
5.6.2 Changing the Desiccant ....................................................................................................................... 105
5.6.3 Desiccant Replacement Procedure...................................................................................................... 105
5.6.4 Hydrophobic Filter Description ............................................................................................................. 106
5.6.5 Hydrophobic Filter Replacement Procedure......................................................................................... 107
Appendix A Working with Primary Devices ....................................................................................................... 109
Working with Primary Devices and Sensor Operation.................................................................................... 109
Setting an Offset (For Use in a Weir) ............................................................................................................. 109