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P722 Cd
Displays the calculated value for Cd when, P700 = 2 BS3680flumes.
P723 Ce
Displays the calculated value for Ce when, P700 = 3 BS3680 weirs.
P724 Cu
Displays the calculated value for Cu when, P700 = 2 BS3680 flume and
P701 = 3 or 4 U-Throated flume.
P725 Kb
Displays the calculated value for Kb when, P700 = 3 BS3680 weirs and
P701 = 1 Rectangular weir.
Breakpoints
P730-P793 Breakpoints
Where the Primary Measuring device does not match any of the pre-
programmed devices contained in the Ultra 3, then a universal volume
calculation can be performed. A head Vs flow chart is used, to enter a
number of Breakpoints for the head and flow (P730-793), which is either
provided by the manufacturer or created based on the dimensions of the
device.
Breakpoints should be entered in pairs of head and the corresponding flow
for that head. The first pair entered must be for zero head and flow and the
last pair entered must be for maximum head and flow. The higher number
of breakpoints (pairs) entered then the greater accuracy there will be. There
are a maximum number of 32 breakpoints (pairs) for head and flow that can
be entered.
Tables
P796 Reset Breakpoints
This parameter allows the resetting, to the default value, of all previously set
breakpoints (P730-793), without having to access them individually. When
it is necessary to reset or amend particular breakpoints this can be achieved
by directly accessing the desired parameter (P730-793) and changing as
required.
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