Vega VEGAPULS 62 Operating Instructions Manual page 26

4 Mounting
Flow measurement with
Khafagi Venturi flume
26
90°
1
Fig. 21: Flow measurement with Khafagi-Venturi flume: h
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
3 ... 4 x h
max
h
max
B
VEGAPULS 62 • 4 ... 20 mA/HART - four-wire
2
= max. filling of the
max.