3 Installation Prosonic Flow 92
14 Endress+Hauser
3.2 Installation conditions
3.2.1 Dimensions
The dimensions and the fitting lengths of the sensors and the transmitter are on
Page 61 ff.
3.2.2 Installation location
Correct measuring is possible only if the pipe is full. Avoid the following installation loca-
tions:
• Do not install at the highest point in the run. Risk of air accumulating.
• Do not install directly upstream from an open pipe outlet in a down pipe.
Fig. 4: Installation location
Down pipes
Notwithstanding the above, the installation proposal below permits installation in an
open down pipe. Pipe restrictions or the use of an orifice plate with a smaller cross-sec-
tion than the nominal diameter prevent the pipe from running empty while measurement
is in progress.
Fig. 5: Installation in a down pipe
1 = Supply tank, 2 = Measuring sensors, 3 = Orifice plate, pipe restriction, 4 = Valve, 5 = Filling tank
F06-9xxxxxxx-11-05-00-xx-006
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2
3
4
5
F06-9xxxxxxx-11-05-00-xx-007
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