Dwyer UXF2 - Manual (Page 31)

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3.5.4. How to mount the sensor unit
(1) Mount both sensor units spaced at the SPACING value [S= **] (number of graduations on frame) indicated after
setting the piping parameters.
Fig. 3-12
(2) Before mounting the sensor unit into the frame, sufficiently
apply silicone filler (or silicone-free grease Note ) over the
entire transmission surface of the sensor unit, taking care not
to introduce bubbles (Fig. 3-13).
Note) When using silicone-free grease, pay attention to the
fluid temperature range. The fluid temperature range is
shown below.
Silicone rubber:
20 to 100qC
Silicone-free grease: 0 to 60 qC
When using silicone-free grease, reapply it on the
transmission surface of the sensor unit approximately
once every 6 months. (Silicone rubber need not be
reapplied.)
(3) Then insert the sensor unit into the frame, align the slit
provided on the pressing fixture of the sensor unit with
graduations located on the frame top surface (see Fig. 3-14),
and press the sensor unit until the fixture claws are engaged
with the frame side square holes. Mount both sensor units
so as to be roughly symmetrical with respect to the frame
(see Fig. 3-15).
Position of the slit and the graduation
(Magnified view of section A)
Fig. 3-13
Fig. 3-14
Fig. 3-15
BULLETIN F-70