Example 2  BS3680 U-Throated Flume ............................................................................................... 79 
BS3680 Thin Plate Weirs .............................................................................................................................. 81 
Point of Measurement ........................................................................................................................... 81 
Calculations ............................................................................................................................................ 81 
Example 3 BS3680 Rectangular  Weir ................................................................................................. 83 
BS3680 Rectangular Broad Crested Weir .................................................................................................... 85 
Point of Measurement ........................................................................................................................... 85 
Calculations ............................................................................................................................................ 85 
Special Devices .............................................................................................................................................. 86 
Point of Measurement ........................................................................................................................... 86 
Calculations ............................................................................................................................................ 87 
Universal Calculations .................................................................................................................................. 88 
Point of Measurement ........................................................................................................................... 88 
Calculations ............................................................................................................................................ 88 
Chapter 5     Parameter Guide .............................................................................................................................. 89 
Menu System Diagrams ................................................................................................................................ 89 
Top Level Menu .................................................................................................................................... 89 
Application Menu .................................................................................................................................. 90 
Relays Menu .......................................................................................................................................... 91 
Pump “Advanced” ................................................................................................................................. 92 
Digital Inputs.......................................................................................................................................... 93 
Data Logs ............................................................................................................................................... 94 
Volume Menu ........................................................................................................................................ 95 
OCM Menu ............................................................................................................................................ 96 
Display ................................................................................................................................................... 97 
mA Output 1 Menu ............................................................................................................................... 98 
mA Output 2 Menu ............................................................................................................................... 98 
Compensation ........................................................................................................................................ 99 
Stability Menu........................................................................................................................................ 99 
Echo Processing Menu ........................................................................................................................ 100 
System Menu ....................................................................................................................................... 101 
Device Comm Menu ........................................................................................................................... 102 
Test Menu ............................................................................................................................................ 103 
Parameter Listing ......................................................................................................................................... 104 
Application Parameters ............................................................................................................................... 104 
System Units ........................................................................................................................................ 104 
Operation .............................................................................................................................................. 104 
Dimensions .......................................................................................................................................... 106 
Relay Parameters ......................................................................................................................................... 108 
Alarms .................................................................................................................................................. 109 
Pumps ................................................................................................................................................... 117 
Control.................................................................................................................................................. 121 
Miscellaneous ...................................................................................................................................... 126 
Common Parameters ........................................................................................................................... 128 
Pump “Advanced” Parameters ................................................................................................................... 129 
Pump Run On ...................................................................................................................................... 129 
Starting ................................................................................................................................................. 129 
Stopping ............................................................................................................................................... 130 
Pump Exercising .................................................................................................................................. 130 
Wall Cling ............................................................................................................................................ 131 
Digital Inputs ............................................................................................................................................... 132 
About Digital Inputs ............................................................................................................................ 132 
Digital Input Parameters .............................................................................................................................. 138 
Common Par. ....................................................................................................................................... 138 
Digital Inputs........................................................................................................................................ 140 
Data Log Parameters ................................................................................................................................... 143