Pulsar UltraTWIN, Инструкция по эксплуатации

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PULSAR MEASUREMENT
83
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
UltraTWIN
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
UltraTWIN
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*
Where:
Q=Flow
K=K Factor
L=Crest length of weir
H=head
x =exponent
1.50
Automatically
selected by the
UltraTWIN
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)