Measurement Range / Discharge calculation
Setting Description
Min. water cover- Enter height above the channel/pipe floor, above which flow measurement is activated. No
measurement values will be recorded if the water level falls below this threshold.
Default value: 0.000 m.
Roughness
Rock,
Stone,
Sand, (…)
PE
> Select the material of channel surface to define specific roughness values of channel-,
riverbed or pipe:
Rock
Stone
Sand
Earth
Concrete
Cement
PVC
PE
The empirical values for different materials are included in approximation formula for the
velocity curve.
Smoother surfaces have generally lower roughness coefficient values and rougher surfaces
have higher values.
Click Apply to save settings.
Programming
Page 54 March 2021HYB-UM-03155-EN-03
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