Water level
Setting Description
H (Combi sensor)
H (Extern 1)
Option for combination of 2 level measurements with area velocity sensor and additional
water level sensor. This combination is used for discharge measurements for fluctuating water
levels from very low levels to overflow conditions.
> Tick checkboxes for combination of
Area velocity sensor (Combi sensor) and additional water level sensor (e. g. hydrostatic or
ultrasonic down-looking level sensor).
Water level calculation
(in case of sensor combination)
Averaging
> Activate function for averaging the 2 level values.
Switching
> Activate function for switching between the 2 sensors.
Switching level
> Enter water level value to activate switching between the 2 water level sensors.
Each time the defined value is reached, the level measurement switches from area velocity
sensor (H (Combi sensor)) to additional water level sensor and vice versa.
Hysteresis
The specification of a hysteresis increases the system stability. The hysteresis-value is required for
situations with a water level that oscillates around the defined switching level causing to switch
constantly between the 2 sensors.
> Enter hysteresis value to define upper and lower limits which have to be exceeded to
switch sensors.
Programming
Page 49 March 2021 HYB-UM-03155-EN-03
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