Pulsar Ultra 3 - Page 102

Page 94
For a Leopold Lagco flume the head is measured at a point upstream of the
beginning of the converging section as detailed in the table below. (See
DRWG 4)
Flume Size
Point of Measurement
Mm
inches
mm
inches
100 - 305
4 - 12
25
1.0
380
15
32
1.3
455
18
38
1.5
530
21
44
1.8
610
24
51
2.1
760
30
64
2.5
915
36
76
3.0
1065
42
89
3.5
1220
48
102
4.0
1370
54
114
4.5
1520
60
127
5.0
1675
66
140
5.5
1830
72
152
6.0
When any Other device is chosen please consult the manufacturer of the
device for details of where the point of measurement should be located but
ensure that it is chosen such that the surface of the liquid is not effected by
turbulence or drawdown.