Burkert 8137 Manuel D'instructions page 29

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Carrying out max. ad-
justment
Medium selection
LEVEL TRANSMITTER 8137 • 4 ... 20 mA/HART
6 Set up with the indicating and adjustment module
▶ Basic adjustment
Display
Diagnostics
Service
Info
2
Select the menu item "Basic adjustment" with [->] and confirm with
[OK]. Now the menu item "Min. adjustment" is displayed.
Min. adjustment
0.00 %
=
5.000 m(d)
4.000 m(d)
3
Prepare the % value for editing with [OK] and set the cursor to the
requested position with [->]. Set the requested percentage value
with [+] and save with [OK]. The cursor jumps now to the distance
value.
4
Enter the suitable distance value in m for the empty vessel (e.g.
distance from the sensor to the vessel bottom) corresponding to
the percentage value.
5
Save the settings with [OK] and move to "Max. adjustment" with [-
>].
Proceed as follows:
Max. adjustment
100.00 %
=
1.000 m(d)
2.000 m(d)
1
Prepare the % value for editing with [OK] and set the cursor to the
requested position with [->]. Set the requested percentage value
with [+] and save with [OK]. The cursor jumps now to the distance
value.
2
Enter the appropriate distance value in m (corresponding to the
percentage value) for the full vessel. Keep in mind that the max.
level must lie below the dead band.
3
Save the settings with [OK] and move to "Medium selection" with
[->].
Each product has different reflective properties. In addition, there are
various interfering factors which have to be taken into account:
agitated product surfaces and foam generation (with liquids); dust
generation, material cones and echoes from the vessel wall (with
solids). To adapt the sensor to these different conditions, you should
first select "Liquid" or "Solid".
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