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Reference Manual
IP2030/RM, Rev AA
Section 4: Getting started
June 2014
Section 4: Getting started60
Table 4-1. Pre-programmed flow calculation factors (Vlarem – flat and parabolic flumes)
Note
Vlarem flumes most commonly are used for open channel flow applications in Belgium.
When selecting a Vlarem flume from the above list, the PV flow units are automatically
set to m3/hr and the display configured to show the SV (level in cm on top line) and
totaliser in m3 (on bottom line). The transmitter base units must be set to metres
Table 4-2. Pre-programmed flow calculation factors (Parshall flumes)
Profile (P113/P123) k (P115 or P125) Pwr (P115 or P125) Mul (P115 or P125) P116 (or P126)
Flume Flat 1 0.1347877 1.5 0.01 3600.0
Flume Flat 2 0.1782664 1.5 0.01 3600.0
Flume Flat 3 0.3134177 1.5 0.01 3600.0
Flume Flat 4 0.5417157 1.5 0.01 3600.0
Flume Flat 5 0.8111058 1.5 0.01 3600.0
Flume Flat I 0.1322 1.5 0.01 3600.0
Flume Flat II 0.1777 1.5 0.01 3600.0
Flume Flat III 0.21758 1.5 0.01 3600.0
Flume Flat III bis 0.32835 1.5 0.01 3600.0
Flume Flat III ter 0.272 1.5 0.01 3600.0
Flume Flat IV 0.3521726 1.5 0.01 3600.0
Flume Flat V 0.442932 1.5 0.01 3600.0
Flume Flat V bis 0.4005 1.5 0.01 3600.0
Flume Flat VI 0.4990569 1.5 0.01 3600.0
Flume Flat VII 0.6237 1.5 0.01 3600.0
Flume Flat VIII 0.88116 1.5 0.01 3600.0
Flume Flt VIII bis 0.798 1.5 0.01 3600.0
Flume Flat IX 1.065186 1.5 0.01 3600.0
Flume Flat IX bis 0.8148 1.5 0.01 3600.0
Flume Flat X 1.3222761 1.5 0.01 3600.0
Flume Flat X bis 1.609 1.5 0.01 3600.0
Flume Flat X ter 1.064884 1.5 0.01 3600.0
Flume Flat XI 1.65099 1.5 0.01 3600.0
Flume Para 1 0.39885 2.3 0.01 3600.0
Flume Para 2 0.44187 2.3 0.01 3600.0
Flume Para 3 0.46362 2.2 0.01 3600.0
Flume Para 4 0.54419 2.2 0.01 3600.0
Flume Para 5 0.61851 2.1 0.01 3600.0
Flume Para 6 0.71726 2.1 0.01 3600.0
Flume Para 7 0.77152 2.1 0.01 3600.0
Flume*** (User) (User) (User) 3600.0
Profile (P113/P123) Pwr (P115 or P125) k (P115 or P125) mul (P115 or P125) P116 (or P126)
Parshall 1 in 1.550 151.7 1.0 1.0
Parshall 2 in 1.550 303.4 1.0 1.0
Parshall 3 in 1.547 445.2 1.0 1.0
Parshall 6 in 1.580 924.5 1.0 1.0
Parshall 9 in 1.530 1378 1.0 1.0
Parshall 1 ft 1.522 1795 1.0 1.0
Parshall 1.5 ft 1.538 2693 1.0 1.0
Parshall 2 ft 1.550 3590 1.0 1.0
Parshall 3 ft 1.566 5386 1.0 1.0
Parshall 4 ft 1.578 7181 1.0 1.0
Parshall 5 ft 1.587 8976 1.0 1.0
Parshall 6 ft 1.595 10770 1.0 1.0
Parshall 8 ft 1.607 14360 1.0 1.0
Parshall 10 ft 1.600 17672 1.0 1.0
Parshall 12 ft 1.600 20982 1.0 1.0