26
SITRANS F M
3. Project guidance
The sensor must be mounted as shown in the
upper figure. Do not mount the sensor as shown
in the lower figure. This will position the
electrodes at the top where there is possibility
for air bubbles and at the bottom where there is
possibility for mud, sludge, sand etc.
If using empty pipe detection, the sensor can be
tilted 45°, as shown in the upper figure.
Recommended installation is in a vertical/in-
clined pipe to minimize the wear and deposits in
the sensor.
Installation in horizontal
pipes
Measuring abrasive
liquids and liquids
containing particles
The sensor must always be completely full with
liquid.
Therefore avoid:
• Installation at the highest point in the pipe
system
• Installation in vertical pipes with free outlet
For partially filled pipes or pipes with downward
flow and free outlet the flowmeter should be
located in a U-tube.
Recommended flow direction: upwards. This
minimizes the effect on the measurement of
any gas/air bubbles in the liquid.
Installation in vertical pipes
3.3
Installation conditions
(continued)
Transmitter can be mounted compact or remote.
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