PULSAR MEASUREMENT
57
Example 2 BS3680 U-Throated Flume
In this example, it is required to calculate to BS3680 the flow through a U-
Throated Flume without any hump. Absolute calculation will be used, and
there is a requirement for an alarm to indicate a low flow condition which
will be set to relay 1. The flow rate is to be displayed in cubic meters/hour
and the totaliser is also to record the flow in cubic metres, the resettable
totaliser is to be displayed during RUN.
The distance from the face of thetransducer to
zero
flow (
P105
) is 35 inches
and
max head
(
P704
) is 15 inches,
maximum flow
(
P705
) will be calculated
by the FlowCERT Lite as 0.1784 Mil USG/day
The dimensions of the flume are as follows:
Approach
Channel
diameter
(
Dim “A”
)
P710
= 28 inches
Throat diameter
(
Dim “B”
)
P711
= 20 inches
Throat length
(
Dim “C”
)
P712 =
40 inches
Содержание FlowCERT
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