18
4 Mounting
VEGAPULS 31 • Two-wire 4 … 20 mA/HART
57820-EN-191014
2
3 ... 4 x h
max
90°
h
max
B
1
≥ 250 mm
(9.84
")
Fig. 16: Flow measurement with Khafagi-Venturi flume: h
max.
= max. filling of the
flume; B = tightest constriction in the flume
1 Position sensor
2 Venturi flume
Khafagi-Venturi flume