Endress+Hauser Prosonic M FMU40 - Page 22

Installation Prosonic M - FOUNDATION Fieldbus
22 Endress+Hauser
3.3.3 Installation conditions for flow measurements
• Install the Prosonic M at the inflow side, as close above the maximum water level H
max
as possible
(take into account the blocking distance BD).
• Position the Prosonic M in the middle of the channel or weir.
• Align the sensor membrane parallel to the water surface.
• Keep to the installation distance of the channel or weir.
• You can enter the "Flow to Level" linearisation curve ("Q/h curve") using the operating program
or manually via the on-site display.
Example: Khafagi-Venturi flume
L00-FMU4xxxx-17-00-00-xx-003
A Khafagi-Venturi flume
BInflow
C Outflow
BD Blocking distance
E Empty calibration
F Full calibration
V Direction of flow
1xb
0
b
0
BD
A
E
BC
V
H
max
=F