IM 1E7B0-02E
4-2
4. INSTALLATION
(5) Liquid Sealing Compound
IMPORTANT
Please give attention in using Liquid Sealing
Compound to the piping, because it brings bad
influences to measurement by flowing out and
cover the surfaces of electrode and earth-ring.
(6) Service Area
Please select the location where there is enough area to
service installing, wiring, overhaul, etc.
(7) Bypass Line
It is recommended to install the Bypass Line to
facilitate maintenance and zero adjustment.
Figure 4.1.3
Bypass Line
(8) Supporting the Flowmeter
CAUTION
Please avoid to support only the flowmeter, but
fix pipes at first and support the flowmeter by
pipes to protect the flowmeter from forces
caused by vibration, shock, expansion and
contraction through piping.
For small sized flowmeters, please provide a
mounting base so that the flowmeters are fixed
in the piping. See the section 4.3 Mounting.
(9) Piping Condition
IMPORTANT
The piping should be designed so that a full pipe
is maintained at all times to prevent loss of
signal and erroneous readings.
Please design the piping that a fluid is always filled in
the pipes. The Vertical Mounting is effective for fluids
that is easily separate or slurry settles within pipes.
In this case, please flow a fluid from bottom to up.
Figure 4.1.4
Filling the Pipe with Liquid
(10) No Air Bubbles
IMPORTANT
Please give attention to prevent bad influences
or measuring errors from air bubbles that gath-
ers inside measuring pipes.
In case the fluid includes air bubbles, please design the
piping that prevent to gather air bubbles. In case valves
are installed upstream of the flowmeter, it is possible
that a valve causes air bubbles, please install the
flowmeter upstream side of a valve.
Figure 4.1.5
Avoiding Air Bubbles
(11) Mounting Direction
IMPORTANT
When the electrodes are vertical to ground, the
electrode is covered with air bubbles at upper
side or slurry at downside, and it may cause the
measuring errors.
Please be sure to mount the converter upper
side of piping to prevent water penetration into
converter case.
(GOOD)
(NO GOOD)
(NO GOOD)
Electrodes
Electrodes
Slurry
Air Bubbles
Water slowly percolates
downward into converter
case.
Figure 4.1.6
Mounting Direction
