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P2 = 30
ROUND PIPE, VELOCITY-AREA PRODUCT
U0 = Q
cal
The flowrate at full head
enter:
[value from specs.]
U1 = t
cal
the time units of Q
cal
enter:
[0] per second
[1] per minute
[2] per hour
[3] per day
U2 = h
cal
The head at which Q
cal
occurs
enter:
[value from specs.]
U3 = v
sensor
Full scale reading of velocity sensor in (the chosen) linear units per second at 5 volt input.
enter:
[value from specs.]
U4 = v
cal
The maximum liquid velocity in the same units
enter:
[value from specs.]
U5 = r
radius of pipe
Flowrate is given by:
Q = Q
cal
x {area(h)/area(h
cal
)} x {v/v
cal
}
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PL-269
7 – 47
Summary of Contents for OCM II PL-269
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