Volume Flow

The damping makes it possible to damp the fluctuations of the measured values of the volume flow rate:

on the FLOWave display
on the totalizers
on the PLC inputs

The damping set for an analog output comes in addition to the damping of the volume flow.

The damping is not applied to the new measured value if the 2 following conditions are met:

a Low, Medium or High damping level is active
and the variation between 2 values that are measured one after the other is higher than 30 % (for example when charging the pipe or stopping the flow.)

By default, the measured volume flow rate values are damped with the level Medium. The Low damping level or no damping at all (None) are suited for applications/processes that need fast response times. The Medium damping level or the High damping level are suited if the volume flow rate values change slowly.

By default, if the flow direction is opposite the arrow located on the front of the device, the displayed flow rate values are negative. Change the flow direction to Reverse if you want the device to display positive flow values.

If the absolute (and possibly damped) measured volume flow rate is less than the cut-off value plus a hysteresis value, the volume flow rate value is set to 0:

The display then shows a volume flow rate = 0.
The outputs and the totalizers react as if the actual volume flow rate were equal to 0.

See manual (https://www.burkert.com/en/Media/plm/MAN/MA/ma8098-l_manual-eu-en.pdf) page 161