LW2120
Electronic level sensor
34
8.1.11 Alert mode when level close to tank bottom
When the level is near the sloped tank bottom, the device enters the alert mode.
A
B
C
D
Fig. 18:
A:
level
B:
time
C:
actual level
D:
measured level
Possible cause:
•
Radar signal is scattered to the side by the sloped tank bottom.
Recommended actions:
•
Verify the tank geometry parameters are configured correctly (especially the reference height and
the tank offset).
