RST DLS-35 - 10 Series, Instruction Manual

Page: 11 / 28

11
© Dinel, s.r.o. DLS–35
max.
min.
E
a
>
5
In the case of mounting in the pipe it is
necessary to provide the minimum distance
of the inner walls from the electrode at 5 mm.
In some cases (sticky liquids, low permittivity
liquids) it is better to mount the sensor into
a pipe bend.
For types: DLS–35_–10,14,11,21,22,24,25
In case of vertical mounting, it is possible to
use the sensor for simple two-state regula-
tion of the level height between a min. and
max. value. The position of the minimum and
maximum level can be changed by setting
the sensor. Upon a change in the measured
medium, it is necessary to perform new limit
settings.
For types: DLS–35_–20,21,22,23,24,25,30,31
E– Electrode length in mm
Figure 10: Sensor mounting in a tube
Figure 11: Two-state level regulation by
hysteresis setting
In the case of
vertical mounting
especially on
existing tanks, it is necessary to select the pipe
length
as short as possible
to avoid vapour
condensation, or sedimentation of impurities.
A similar situation occurs when the sensing
electrode goes through the concrete ceiling of
the silo. The hole diameter should be at least
50 mm (based on ceiling thickness).
All vertically mounted sensors
Figure 12: Long fitting tubes in vertical mounting
> 5
>
5