Siemens HydroRanger 200 HMI - Parshall Flume

Operating
7.12 Open Channel Monitoring (OCM)
HydroRanger 200 HMI
148 Operating Instructions, 06/2018, A5E36281317-AC
7.12.4.6
Parshall Flume
①
C = converging dimension
④
Flow
②
2/3 C
⑤
Transducer
1)
③
Q
⑥
Empty (2.2.4.) (Page 170)
Application information
● Sized by throat width
● Set on solid foundation
● For rated flows under free flow conditions, the head is measured at 2/3 the length of the
converging section from the beginning of the throat section
Parameter
Index
Mode
Primary Measuring Device (2.13.2.)
(Page 240)
Global Parshall Flume
Flow Exponent (2.13.4.1.)
(Page 241)
Global 1.22–1.607 (consult your flume documenta-
tion)
Maximum Head (2.13.4.2.)
(Page 243)
Global Maximum Head
Maximum Flow (2.13.4.3.)
(Page 243)
Global Maximum Flow (Q)
Flow Time Units (2.13.4.4.)
(Page 244)
Global Time Units