Dwyer UTS - Manual (Page 18)

V-Notch (Triangular) Sharp-Crested Weir (Type 4)
Parshall Flume (Type 5)
Palmer Bowlus Flume Trapezoidal Throat Cross-Selection (Type 6)
H Flume (Type 7)
Page 17
Code (YY)
01
02
03
04
05
V-Notch Angle (°)
90
60
45
30
22.5
Figure 24: V-Notch (Triangular) Sharp-Crested Weir
Code (YY)
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
Throat Width (in)
1
2
3
6
9
12
18
24
30
36
48
60
72
96
120
144
Figure 25: Parshall Flume
Code (YY)
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
Conduit Diameter (in) D
4
6
8
10
12
15
18
21
24
27
30
36
42
48
60
72
Figure 26: Palmer Bowlus Flume Trapezoidal Throat Cross-Selection
Code (YY)
01
02
03
04
05
06
07
08
Flume Size (in)
6
9
12
18
24
30
36
54
Figure 27: H Flume
Measurement Point (in)
1.96
2.75
3.54
5.51
7.08
9.05
11.02
16.14