ULTRA 3
INSTRUCTION MANUAL
90
Example 3 BS3680 Rectangular Weir
In this example, it is required to calculate to the flow through a BS3680
Rectangular weir. Absolute calculation will be used, and there is a
requirement for an alarm to indicate a high flow condition to be set to relay
3. The flow rate is required to be displayed in litres/minute and the totaliser
is to record the flow in cubic metres, the resettable totaliser is to be
displayed during RUN.
The distance from the end of the transducer horn to
zero
flow (
P105
) is 1
metre and
max head
(
P704
) is 0.4 metres,
maximum flow
(
P705
).
Approach
width
(
Dim “A”
)
P710
= 0.5 m
Crest width
(
Dim “B”
)
P711
= 0.3 m
Crest Height
(
Dim “C”
)
P712 =
0.3 m
Summary of Contents for Ultra 3
Page 1: ...Ultra 3 Instruction Manual...
Page 14: ...ULTRA 3 INSTRUCTION MANUAL 14 EU Certificate of Conformity...
Page 18: ...ULTRA 3 INSTRUCTION MANUAL 18 The full dimensions of the enclosure are as shown below...
Page 22: ...ULTRA 3 INSTRUCTION MANUAL 22 Dimensions of the panel enclosure are as shown below...
