Filter
Top Products
December 2014
20
Quick Start Guide
Figure 12. Volume or flow from 2-stage weir
Rectangular
weir
V-notch
weir
4–20mA/HART
Rosemount
3107 or 3108
Profile
height
(P014)
Bottom reference
(P010)
Rosemount
3490 Series
control unit
Y
X
0,0
P039 = Maximum process value (PV)
Maximum height (P014)
(Entered percentages relating
output PV to maximum PV)
(Fixed percentages relating height to maximum height)
10%
20% 30% 40%
50%
60%
70%
80% 90%
100%
P030
P031
P032
P033
P035
P036
P037
P038
P039
P034
P013 = Maximum volume or flow