VEGA VEGADIF 55 4 … 20 mA_HART - Manual (Page 17)

+
–
max.
min.
1
2
3
4
Fig. 11: Measurement setup, level measurement in closed vessel
1
Block valve
2 Precipitator
3 Drain valve
4 VEGADIF 55
à Mount VEGADIF 55 directly to the vessel
à Connect minus side always above the max. level
à For measurements in products with solid content such as e.g. dirty
liquids, the installation of separators and drain valves is
recommended to enable collection and removal of debris and
sediment.
+
–
min.
max.
1
Fig. 12: Measurement setup, level measurement in closed vessel
1
VEGADIF 55
à Mount VEGADIF 55 below the lower isolating diaphragm
à The ambient temperature should be the same for both capillaries
Level measurement in
closed vessel with
flange
Level measurement in
closed vessel with cell
isolating diaphragms
VEGADIF 55 • 4 … 20 mA/HART 17
4 M ounting
31731
-EN
-081119