SECTION 3
Step D: -
Select from one of the following options if a Parshall flume is required
(See also Appendix 5)
Options displayed
Description - Parshall flume type
7.1.7.1 Parshall 1,2,3,24 inches 1,2,3 or 24 inches
7.1.7.2 Parshall 6 inches 6 inches
7.1.7.3 Parshall 9 inches 9 inches
7.1.7.4 Parshall 12 inches 12 inches
7.1.7.5 Parshall 18 inches 18 inches
7.1.7.6 Parshall 36 inches 36 inches
7.1.7.7 Parshall 48 inches 48 inches
7.1.7.8 Parshall 72 inches 72 inches
7.1.7.9 Parshall 96 inches 96 inches
7.1.7.10 Parshall 10 – 50 feet 10 to 50 feet
Pr. 7.2
Max Flow Val
* Only applies if 7.1 set to BS3680
Maximum Flow Value (D = Auto calculation)
There are two types of calculation either Auto calculate, if you want the instrument to
calculate the flow automatically or Input by User if you want to enter the flow value
manually.
7.3 Maximum Flow
(50.00)
7.3.1 Max. Flow
50.00
ENT
7.2 Max Flow Val
(Auto calculate)
ENT
7.2.1 Automatic
calculation
7.2.2 User sets
maximum flow
Calculates flow and Manually enter flow
stores in Pr.7.3 in Pr.7.3.1
Options displayed
Description Action following selection
7.2.1 Automatic Calculation
This option calculates
maximum flow based on the
entered flume or weir values
and the maximum head in
metres @ Pr.3.0 Span. The
calculated flow is stored in
litres/sec @ Pr.7.3.1.
Calculates a new flow value
based on entered parameters
and rewrites this flow in
litres/sec then displays this
value in Pr.7.3
7.2.2 User sets maximum flow
Selecting this option requires
you to enter manually the
maximum flow in litres/sec
@ Pr.7.3.1 and the
maximum head in metres @
Pr.3.0.
Displays Pr.7.3.1. does not
modify the existing entered
value.
Ref: MINIFLEX LR MANUAL Rev. 0 21