28
7 Set up with the integrated display and adjustment unit
VEGAPULS 31 • Two-wire 4 … 20 mA/HART
57820-EN-191014
7.4 Parameter adjustment
7.4.1 Main menu
This menu item enables you to adapt the sensor to the different
measuring conditions of the media "
Liquid
" or "
Bulk solid
". This selec-
tion adapts the signal processing to the expected reflections.
This menu item enables you to optimally adapt the sensor to the
application, the place of use and the measuring conditions. The ad-
justment possibilities depend on the selection made under "
Medium
",
"
Liquid
" or "
Bulk solid
".
For "
Liquid
" the applications are based on the following characteris-
tics:
Storage tank
•
Vessel:
– Large volume
– Upright cylindrical, horizontal round
•
Process/measurement conditions:
– Condensation
– Smooth product surface
– High requirements on measurement accuracy
– Slow filling and emptying
•
Properties, sensor:
– Low sensitivity to sporadic false echoes
– Stable and reliable measured values through averaging
– High measurement accuracy
– No short reaction time of the sensor required
Stirrer vessel
•
Vessel:
– Mounting socket
– Large agitator blades of metal
– Vortex breakers, heating spirals
•
Process/measurement conditions:
– Condensation, buildup by movement
– Strong spout generation
Medium
Application
Application - liquid