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General description
The capacitive sensors, our abbreviation KAS, generate a capacitive field within the area of the active
surface. All media, liquids, pastes, bulk material or solids, with a dielectric constant Ɛ
and indicated as a switching signal, so that the level or the desired detection task can be controlled via
the connected PLC or control system.
Electronic circuits or PLCs can be activated directly by capacitive sensors.
KAS can be used in machines, systems and vehicles for:
• Level monitoring of liquids, pastes or bulk material, and also through non-metal windows, if the
dielectric constant of the material to be detected is higher (approx. Factor 5).
• As limit switches, contact-less position switches for monitoring and positioning, as pulse generator
for counting tasks, distance and speed measurements and for many other applications.
Detection of all materials di-
rectly in a container (non-flush
mountable).
Mounting
Flush mounting or non-flush mounting
There are two different types of mounting for capacitive sensors:
For flush mounting in metal or other materials. These sensors can be mounted close
together (see Fig. 1 and 3) and are specially designed for contact-less detection of solids or
liquids through non-metal containers (max. wall-thickness 4 mm)
For non-flush mounting in metal or other materials. When mounting two or more sensors
side by side a space / free zone must be provided (see Fig. 2 and 4). These sensors are de-
signed for applications where the detecting material comes into contact with the active area
of the sensor (e.g. level monitoring of bulk materials, pastes or liquids)
Detection
of
all
materials
through a non-metallic con-
tainer or an inspection window
(flush mountable).
≥ 1.1 will be detected
r
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