Hach 911 User Manual page 82

Working with Primary Devices
FLOW
Inlet Bulkhead
FLOW
Approach
Section
D
A
WP
80
Elevation View
Figure 44 H-Flume
FLOW (Q)
ΔY
Figure 45 Round Pipes
Head Measurement Section
4
3
Pipe Stub
Top View
ΔX
Top View
W
1
2
T
Elevation View
H