Siemens HydroRanger 200 HMI - Cut Throat Flume

Operating
7.12 Open Channel Monitoring (OCM)
HydroRanger 200 HMI
150 Operating Instructions, 06/2018, A5E36281317-AC
Flume size
(pipe diameter in inches)
Point of measurement
centimeters
inches
4-12
2.5
1
15
3.2
1 1/4
18 4.4 1 3/4
21
5.1
2
24
6.4
2 1/2
30
7.6
3
42
8.9
3 1/2
48
10.2
4
54
11.4
4 1/2
60
12.7
5
66
14.0
5 1/2
72
15.2
6
7.12.4.8
Cut throat flume
Application information
● Similar to Parshall flume except that the floor is flat bottomed and throat has no virtual
length.
● Refer to manufacturer’s specifications for flow equation and point of head measurement.
Parameter
Index
Mode/value
Primary Measuring Device (2.13.2)
(Page 240)
Global Cut Throat Flume
Flow Exponent (2.13.4.1.)
(Page 241)
Global 1.55
Maximum Head (2.13.4.2.)
(Page 243)
Global Maximum head
Maximum Flow (2.13.4.3.)
(Page 243)
Global Maximum flow
Flow Time Units (2.13.4.4.)
(Page 244)
Global Time units