20
4 Mounting
VEGADIF 85 • Profibus PA
53569-EN-230814
+
–
max.
min.
1
2
3
4
Fig. 13: Measurement setup, level measurement in closed vessel
1 Blocking valve
2 Precipitator
3 Drain valve
4 VEGADIF 85
•
Mount device below the lower chemical seal
•
The ambient temperature should be the same for both capillaries
Information:
Level measurement is only carried out between the upper edge of the
lower and the lower edge of the upper chemical seal.
+
–
min.
max.
1
Fig. 14: Measurement setup, level measurement in closed vessel
1 VEGADIF 85
•
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
•
The condensate vessel ensures a constant pressure on the low
pressure side
•
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
double chemical seal
In closed vessels with
steam layering with effec
-
tive pressure line