Endress+Hauser Prosonic S FMU90 - 4.2 Terminal assignment

The "level" menu
21
2.1.3 "LVL N empty calibration" (N = 1 or 2)
"empty E"
⇒
LVL1 empty cal. L1005
empty E: 0,00 m
L00-FMU90xxx-19-00-00-yy-007
Use this parameter to specify the empty distance E, i.e. the
distance between the sensor membrane and the minimum level
(zero point).
– Default: max. measuring range of the respective sensor
– Range of values: depending on sensor type
"
Caution!
The zero point should not be deeper than the point at which the
ultrasonic wave impinges on the tank bottom
0/4 mA
0%
E