PULSAR MEASUREMENT
51
EXPONENT TYPE
FORMULA
EXPONENT
K FACTOR
Leopold Lagco
Flume
Q=KD
0.0953
h
x
Where:
Q =Flow
K=K factor
D=pipe diameter
h=head
*=exponent
1.55
Automatically
selected by the
FlowCERT
Automatically
calculated,
dependent on
measurement,
flow and time
units chosen
V-Notch Weir
Q=Kh
x
Where:
Q =Flow
K=K factor
h=head
*=exponent
2.50
Automatically
selected by the
FlowCERT
Automatically
calculated,
dependent on
measurement
flow and time
units chosen.
Other
Q=Kh*
Enter value as
required
Enter value as
required
Contracted
Rectangular Weir
(With end
contractions)
Q=K(L-0.2*h)h*
1.50
Automatically
selected by the
FlowCERT
Automatically
calculated,
dependent on
measurement
flow and time
units chosen.
Ratiometric
If the flow calculation is to be
ratiometric P702 = 2
the flow will be
calculated using the formula: q = q
cal
(h/h
cal
)
x
Where:
q = flowrate
q
cal
=
flowrate
at
maximum
head
(
705
)
h = head
h
cal
=
maximum head
(
P704
)
x
= exponent (determined as in absolute calculation above)
