ELIS PLZEŇ a. s., Luční 425/15, 301 00 Plzeň, Czech Republic, Phone: +420/377 517 711, Fax: +420/377 517 722 Es90420K/c
For the same reason, the sensor shall be always placed before the closing valve in the piping.
The sensor can be fitted in the piping in either horizontal or vertical position. Make sure that the electrode
axis is always horizontal and, if the sensor is mounted in a horizontal position, the chimney faces upwards.
Electrode axis Sensor mounted in a vertical position
Where the sensor is mounted in a vertical position, the flow direction shall always be upwards.
Risk of liquid aeration Permanent flooding of sensor
To ensure correct meter function at all times, the measured liquid must completely fill up the sensor and no
air bubbles shall be permitted to accumulate or develop in the sensor tube. Therefore, the sensor shall never
be placed in the upper pocket of the piping or in a vertical piping section where the flow direction is
downwards.
In piping systems where complete flooding of the piping cannot always be guaranteed, consider placing the
sensor in a bottom pocket where full flooding is ensured.
If the sensor is located near a free discharge point, such point shall be by at least 2 DN higher than the top
part of the sensor.
Sensor placement near free discharge point
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