Xylem FC220 OPEN CHANNEL FLOW MONITOR - Manual (Page 14)

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Set Site Info:
The Site Info menu is where the type of flow monitor calculation is defined. A 16
character site name or label can also be added for reference. The current site name is
shown in the Set Site Info menu. To change site information press the RIGHT arrow
button. Change the site name in the first sub-menu. Use the LEFT and RIGHT arrows
to select a character and then scroll through available characters using UP and DOWN.
Press SAVE to store and MENU to move forward. The next menu sets the type of
flow calculation; use UP and DOWN to choose one of: flume, weir, Manning’s
Equation (round pipe or rectangular channel), standard flow equation, best fit 3
rd
order
polynomial, or look-up table. Press SAVE to store the flow mode.
Flume:
If Flume is selected, the user is prompted to select a flume type from a list of standard
flumes. See the specifications section for a list of available flumes. The flow equation
parameters are shown in Appendix C. Use UP and DOWN to select the flume type
and press SAVE to store the change.
Weir:
If Weir is selected, the user is prompted to select a weir type from a list of standard
weirs. See the specifications section for a list of available weirs. The flow equation
parameters are shown in Appendix C. Use UP and DOWN to select the weir type and
press SAVE to store the change.
Manning’s Equation:
Use UP and DOWN to select either Round Pipe or
Rectangular Channel. Press SAVE to store and MENU to
advance. To set the roughness index n, use LEFT and RIGHT to select a digit and UP
and DOWN to change it. Press SAVE and MENU. In the same manner, enter the
slope in percent. Press SAVE and MENU. Enter the diameter of the round pipe or the