Siemens OCM III - Page 55

SIMPLE EXPONENTIAL DEVICES, P3 = 0
TYPICAL PARSHALL FLUME
For rated flows under free flow conditions, the head is measured at 2/3 the length of
the converging section upstream of the beginning of the throat section.
* The transducer must be above the maximum head by at least the
blanking value, P47.
2/3 C
C
plan
side
front
0
head
transducer *
7ML19985AB01 OCM III 56