
July 2016
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 he
ig
h
t
(P
014)
Bo
ttom refer
e
nc
e
(P
010)
Rosemount
3490 Series
control unit
Y
X
0,0
P039 = Maximum process value (PV)
Maxim
u
m he
ight (P
014)
(Ent
er
ed
p
e
rc
ent
a
ges r
e
la
ti
ng
o
u
tput
PV
to
maxim
u
m
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