Vega VEGAPULS 67 Operating Instructions Manual page 36

6 Set up with the display and adjustment module
Setup - Medium
Setup - Application
36
nation must be entered for exact identification of individual measuring
points.
The available digits comprise:
•
Letters from A ... Z
•
Numbers from 0 ... 9
•
Special characters +, -, /, -
Each medium has different reflection properties. With liquids, further
interfering factors are fluctuation product surface and foam genera-
tion. With bulk solids, these are dust generation, material cone and
additional echoes from the vessel wall.
To adapt the sensor to these different measuring conditions, the
selection "Liquid" or "Bulk solid" should be made in this menu item.
Through this selection, the sensor is adapted perfectly to the product
and measurement reliability, particularly in products with poor reflec-
tive properties, is considerably increased.
Enter the requested parameters via the appropriate keys, save your
settings with [OK] and jump to the next menu item with the [ESC] and
the [->] key.
In addition to the medium, also the application, i.e. the measuring site,
can influence the measurement.
With this menu item, the sensor can be adapted to the applications.
The adjustment possibilities depend on the selection "Liquid" or "Bulk
solid" under "Medium".
The following options are available when "Liquid" is selected:
VEGAPULS 67 • 4 ... 20 mA/HART - four-wire