Proline Promag L 400 Mounting
Endress+Hauser 15
Orientation
The direction of the arrow on the sensor nameplate helps you to install the sensor according
to the flow direction.
An optimum orientation position helps avoid gas and air accumulations and deposits in the
measuring tube.
Vertical
A0015591
This is the optimum for self-emptying piping systems and for use in conjunction with empty
pipe detection.
Horizontal
A0016260
1 EPD electrode for empty pipe detection
2 Measuring electrodes for signal detection
3 Reference electrode for potential equalization
• The measuring electrode plane must be horizontal. This prevents brief insulation of
the two measuring electrodes by entrained air bubbles.
• The empty pipe detection only works if the transmitter housing is pointing upwards as
otherwise there is no guarantee that the empty pipe detection function will actually
respond to a partially filled or empty measuring tube.
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