Dwyer UTS - Manual (Page 15)

To Select the Flow Measurement Settings:
Open Channels Flow Measurements
The flume/weir type code methodology used when setting up open channels is
based on three digits: X E/U YY
Where:
X
refers to the particular flume/weir type
E/U refers to European or American standard
YY refers to the specific flume/weir dimensions
Flume/Weir Types
This is the first value (X) entered for the PARSH.FLUME function. The following
flume/weir types are available both in European and American standard:
Flumes/Weirs - European Standard
Rectangular Suppressed Sharp-Crested Weir (Type 1)
Rectangular Contracted Sharp-Crested Weir (Type 2)
Trapezoidal (Cipolletti) Sharp-Crested Weir (Type 3)
Page 14
Press/Action Display Explanation
With the required option flashing in the
main menu.
Displays the last saved flow
measurement setting or default value.
Use to select a new type value (X).
The last two digits of the display flash.
Use to select a new flume/weir length
code (YY), that corresponds to the type
(X) previously selected. (The two digits
are modified as one unit.)
The selected values are saved.
or
or
European Standard
Pages 14-16
Rectangular Suppressed
Sharp-Crested Weir, Page 14
Rectangular Contracted Sharp-
Crested Weir, Page 14
Trapezoidal (Cipolletti) Sharp-
Crested Weir, Page 14
V-notch (Triangular) Sharp-
Crested Weir, Page 15
Khafagi-Venturi Flume, Page 15
Parshall Flume, Page 15
Palmer Bowlus Flume
Trapezoidal Throat Cross-
Selection, Page 15
H Flume, Page 16
Neyrpic Venturi Flume/Long-
Base Weir, Page 16
Type (X)
1
2
3
4
5
6
7
8
9
American Standard
Pages 16-18
Rectangular Suppressed Sharp-
Crested Weir, Page 16
Rectangular Contracted Sharp-
Crested Weir, Page 16
Trapezoidal (Cipolletti) Sharp-
Crested Weir, Page 16
V-notch (Triangular) Sharp-Crested
Weir, Page 17
Parshall Flume, Page 17
Palmer Bowlus Flume Trapezoidal
Throat Cross-Selection, Page 17
H Flume, Page 17
Leopold-Lagco Flume,
Page 18
Code (YY)
01
02
03
04
05
06
07
08
Crest Length (cm)
20
40
60
80
100
150
200
300
Figure 11: Rectangular Suppressed Sharp-Crested Weir
Code (YY)
01
02
03
04
05
06
07
08
09
10
Crest Length (cm)
20
30
40
50
60
80
100
150
200
300
Figure 12: Rectangular Contracted Sharp-Crested Weir
Code (YY)
01
02
03
04
05
06
07
08
Crest Length (cm)
30
45
60
80
100
150
200
300
Figure 13: Trapezoidal (Cipolletti) Sharp-Crested Weir