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FLOW CALCULATION
Click
Generate Flow Log from the drop drown menu to calculate flow.
Greyline Logger supports flow calculation for common channel
shapes:
Round pipe
Square channel
Egg shape pipe
Trapezoid channel
Select the
Channel Type and enter the dimensions.
Level Offset should be set to 0.000 unless the sensor is elevated above the bottom of the channel or pipe.
Round
Select
Round for open pipes and enter the pipe ID (Inside Diameter).
Square
Select
Square for rectangular channels and enter the width of the channel.
Egg
Select
Egg for channels with
cross-section dimensioned as shown.
Trapezoid
Select for trapezoidal shaped channels.
Enter
Width and Slope.
V shaped channels may also be monitored
where the channel width is entered as 0.
Page 14
Stingray Level-Velocity Logger
Manual Series A.3
R
3R
R/2
2R
HEIGHT
=3R
TRAPEZOIDAL
CHANNEL
RUNWIDTH
RISE