7ML19985FC03 HydroRanger 200 – INSTRUCTION MANUAL Page 79
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Open Channel Monitoring
6 Relay Model
Leopold Lagco Flume
Application Information
• Designed to be installed directly into pipelines and manholes
• Leopold Lagco may be classed as a rectangular Palmer-Bowlus flume
• Sized by pipe (sewer) diameter
• For rated flows under free flow conditions, the head is measured at a point
upstream referenced to the beginning of the converging section. Refer to the
following table:
Parameter Index Value
P600 G 1–Leopold Lagco Flume
P601 G 1.55
P603 G Maximum Head (preset P007)
P604 G Maximum Flow
P605 G Zero Head
P606 G Time Units
Point of Measurement
Diverging
Converging
Front View
0
Head
Plan View
Side View
Transducer
Throat
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