19
4 Mounting
VEGADIF 85 • Profibus PA
53569-EN-230814
as the hook ups in the supplementary instructions "
Mounting acces-
sory pressure technology
".
4.5.2 Level
•
Mount device below the lower measurement connection so that
the effective pressure lines are always filled with liquid
•
Always connect the low pressure side above the max. level in the
vessel
•
For measurement in products with solid content, such as e.g. dirty
liquids, the installation of separators and drain valves is recom
-
mended. Debris and sediment can thus be collected and removed.
+
–
min.
max.
1
3
4
3
4
5
2
1
Fig. 12: Measurement setup, level measurement in closed vessel
1 Blocking valves
2 3-fold valve block
3 Precipitator
4 Drain valves
5 VEGADIF 85
•
Mount device directly to the vessel
•
Always connect the low pressure side above the max. level in the
vessel
•
For measurement in products with solid content, such as e.g. dirty
liquids, the installation of separators and drain valves is recom
-
mended. Debris and sediment can thus be collected and removed.
In closed vessels with ef-
fective pressure lines
In closed vessels with
single chemical seal