VEGA VEGASON 51P…53P Profibus PA - Manual (Page 29)

VEGASON 51P … 53P 29
Mounting and installation
B
Khafagi-Venturi flume
90°
h
max
Sensor
3 … 4 x h
max
Flow measurement on open flumes
h
max
³ 2 x h
max Overfall edge
90°
Flow measurement on open flumes
Upstream water Downstream water
³ 5 cm
90°
3 … 4 x h
max
Overfall edge
The short examples on this page are only
basic information on flow measurement. You
can get complete planning information from
the flume manufacturers and in special litera-
ture.
- Installation of the sensor on the upstream
side
- Note distance to the overfall edge
(3 … 4 x h
max
)
- Installation centered to the flume
- Edge opening
³ 2 x h
max
from ground
- Installation perpendicular to the liquid sur-
face
- Keep min. distance in relation to h
max
- Min. distance from edge opening to down-
stream water
³ 50 mm
- Installation of the sensor on the inlet side
- Note distance to the Khafagi-Venturi flume
(3 … 4 x h
max
)
- Installation perpendicular to the liquid sur-
face
- Keep min. distance in relation to the height
of damming h
max
³ max.
distance