CoriolisMaster FCB400, FCH400 CORIOLIS MASS FLOWMETER | CI/FCB400/FCH400-EN REV. H 31
A For vertical installation in a riser, no special measures are
required.
B For vertical installation in a downpipe, a piping constriction
or an orifice must be installed below the sensor. Doing this
prevents the sensor from draining during the measurement.
Horizontal installation
Figure 7: Horizontal installation
A For liquid measuring media and horizontal installation, the
transmitter and terminal box must point upward. If a self-
draining installation is required, the sensor must be mounted
at an incline of ≥ 30°.
B Installing the sensor at the highest point of the piping leads
to an increased number of measuring errors due to the
accumulation of air or the formation of gas bubbles in the
meter tube.
Gaseous measuring media
Observe the following points to avoid measuring errors:
• Gases must be dry and free of liquids and condensates.
• Avoid the accumulation of liquids and the formation of
condensate in the meter tube.
• During operation, there must be no phase transitions in
the measuring medium.
If there is a risk of condensate formation when using gaseous
measuring media, note the following:
Ensure that condensates cannot accumulate in front of the
sensor.
If this cannot be avoided, we recommend that the sensor is
installed vertically with a downward flow direction.
Vertical installation
For vertical installation, no special measures are required.
Horizontal installation
Figure 8: Horizontal installation
A For gaseous measuring media and horizontal installation, the
transmitter and terminal box must point downward.
B Installing the sensor at the lowest point of the piping leads
to an increased number of measuring errors due to the
accumulation of liquid or the formation of condensates in
the meter tube.
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