Endress+Hauser Prosonic S FMU90, Description, Page: 194 / 216

Appendix
194
13.1.11 Triangular weirs
L00-FMU90xxx-05-00-00-xx-011
!
Note!
After selecting the type of weir, Q
max
can be adjusted to the flow conditions. Q
max
defines the flow
at which the output current is 20 mA.
Type of weir
α
H
max
[mm] Q
max
[m
3
/h]
V-Weir 22,5 22,5° 600 276,0
V-Weir 30 30° 600 371,2
V-Weir 45 45° 600 574,1
V-Weir 60 60° 600 799,8
V-Weir 90 90° 600 1385
k k
45°
BD
≥
3 H
max
≥
2 H
max
H
max
≥
2 H
max
k 3 mm
≈
α