VEGA VEGAPULS WL 61 Profibus PA - Manual (Page 22)

22
4 Mounting
VEGAPULS WL 61 • Profibus PA
38062-EN-121011
2
3 ... 4 x h
max
90°
h
max
d
1 B
Fig. 22: Flow measurement with Khafagi-Venturi flume: d = Min. distance to sen-
sor; h
max.
= max. filling of the flume; B = tightest constriction in the flume
1 Position sensor
2 Venturi flume
In general, the following points must be observed:
•
Installation of the sensor at the inlet side
•
Installation in the centre of the flume and vertical to the liquid
surface
•
Distance to the Venturi flume
•
Min. distance of the sensor to max. storage level
Flow measurement with
Khafagi Venturi flume