Sensors in partially-filled pipes – ADS Environmental Services Portable FlowShark Pulse QR 775006 A2 User Manual
Page 41
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ADS Portable FlowShark Pulse Manual
Sensors in Partially-Filled Pipes
Sensor Adjustment: (left) proper installation in center that should yield reliable measurements; (right) faulty
installation that will yield erroneous measurements
Angle of the
Curve in the Pipe
v
≤ 3.3 feet per
second (1 m/s)
v
> 3.3 feet per
second (1 m/s)
α ≤15°
L
≥ min. 3 x DN
L
≥ min. 5 x DN
α ≤45°
L
≥ min. 5 x DN
L
≥ min. 10 x DN
α ≤90°
L
≥ min. 10 x DN
L
≥ min. 15 to 20 x DN
Sensor positioned behind curves or elbows