Proline Promass F 500 Modbus RS485 Installation
Endress+Hauser 23
To prevent measuring errors arising from accumulation of gas bubbles in the measuring
tube, avoid the following mounting locations in the pipe:
• Highest point of a pipeline.
• Directly upstream of a free pipe outlet in a down pipe.
Installation in down pipes
However, the following installation suggestion allows for installation in an open vertical
pipeline. Pipe restrictions or the use of an orifice with a smaller cross-section than the
nominal diameter prevent the sensor running empty while measurement is in progress.
A0028773
6 Installation in a down pipe (e.g. for batching applications)
1 Supply tank
2 Sensor
3 Orifice plate, pipe restriction
4 Valve
5 Batching tank
DN Ø orifice plate, pipe restriction
[mm] [in] [mm] [in]
8 ³⁄₈ 6 0.24
15 ½ 10 0.40
25 1 14 0.55
40 1½ 22 0.87
50 2 28 1.10
80 3 50 1.97
100 4 65 2.60
150 6 90 3.54
250 10 150 5.91
Orientation
The direction of the arrow on the sensor nameplate helps you to install the sensor
according to the flow direction (direction of medium flow through the piping).
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