Siemens OCM III Instruction Manual page 80

UNIVERSAL HEAD vs FLOW
e.g. typical compound weir
Parameters
U0 = 11
A0 = 0 head, point 1
A1 = 0 flow, point 1
A2 = 0.3 head, point 2
A3 = 0.1 flow, point 2
A4 = 0.6 head, point 3
A5 = 0.7 flow, point 3
A6 = 0.8 head, point 4
A7 = 1.5 flow, point 4
A8 = 0.95 head, point 5
A9 = 2.25 flow, point 5
A10 = 1 head, point 6
A11 = 2.5 flow, point 6
A
odd
F
l
o
w
R
a
t
e
For best accuracy concentrate data points where changes in flow rate are the greatest.
7ML19985AB01
A12 = 1.05
A13 = 2.65
A14 = 1.2
A15 = 3.4
A16 = 1.4
A17 = 5.0
A18 = 1.7
A19 = 8.0
A20 = 2
A21 = 11.8
A
Head
even
OCM III
head, point 7
flow, point 7
head, point 8
flow, point 8
head, point 9
flow, point 9
head, point 10
flow, point 10
head, point 11
flow, point 11
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