Leuze ULTRASONIC SENSORS Sales Brochure
ULTRASONIC
SENSORS
Extensive product range of measuring
and switching sensors
THE SOLUTION FOR
DIFFICULT
APPLICATIONS
These sensors are activated on sound refl ecting materials
largely independent of the surface.
THE ALL-ROUNDERS AMONG THE SENSORS
Ultrasonic sensors are used whenever optical
systems reach their limits. Hence, partially
and fully transparent or extremely dark
objects can be detected via ultrasonics just
as easily as objects with reflecting surfaces.
Even very dusty, hazy or humid environments
are no challenge for these sensors.
In its product range, Leuze electronic offers
all three function principles – diffuse sensors,
retro-reflective sensors and throughbeam
sensors. The most commonly used sensors
are selected if, e.g., only window operation is
possible due to the machine design, i.e., the
sensor can only detect on the object. With a
retro-reflective sensor, a permanently
installed object, e.g., the rear wall, is
detected by the sensor. If an object interrupts the space between sensor and
reflector, this is detected by the sensor.
Throughbeam sensors consist of transmitting
and receiving element. They are characterized by especially fast and insensitive
detection of even difficult objects.
ULTRASONICS OFFERS DISTANCE, HEIGHT OR DIMENSION MEASUREMENTS
IN DIFFERENT AREAS OF APPLICATION
In our extensive product range, you will find high-performance sensor solutions for the detection of objects
with sound-reflecting surfaces for applications above all in the packaging and graphics industries.
Packaging systems
Reliable detection of transparent objects
such as e.g. PET bottles or films
Level measurement and level monitoring of liquids or
bulk materials
Detection of high glossy or structured objects and
surfaces
power reserve.
Excellent background suppression due to
time-of-flight measurement (ToF)
Precise distance-measuring sensors through
temperature compensation
Different operating principles for switching sensors
Graphics industry
Detection of high glossy printing media
Stack height measurement
Determination of roll diameter
easy handling.
Systems with especially narrow sound cone for
the detection of small objects or of objects with
extremely small openings
Systems with teach-in function on the device
and / or by cable
Devices with process data and configuration
via IO-Link interface available
MEASURING
ULTRASONIC
SENSORS
Retro-reflective ultrasonic sensors
DMU 318
Overall dimension M18 x 1 mm
Measurement ranges
response times
Resolution 2 mm
Reproducibility ± 0.5 % mm
Temperature compensation
Robust plastic design with degree of protection IP 67
Devices available with current or voltage output
Model with M18 angled head, sound exit 90°
Short or standard construction
1 or 2 independent switching outputs
To avoid mutual interference, max. 6 sensors may be
synchronized via one cable
3 operating modes: measuring, synchronous and multiplex
operation
40 –
300 mm
62 ms 500 ms 100 ms 250 ms
50 –
400 mm
80 –
1,200 mm
Yes
150 –
1,600 mm
Retro-reflective ultrasonic sensors
DMU 330
Overall dimension M30 x 1.5 mm
Measurement ranges
response times
Resolution 5 mm 6 mm
Reproducibility ± 17 % mm ± 30 % mm
Temperature compensation
Robust plastic design with degree of protection IP 67
Devices available with current or voltage output
1 or 2 independent switching outputs, teachable via a
cable or teach button
To avoid mutual interference, any number of sensors may
be synchronized via one cable
3 operating modes: measuring, synchronous and multiplex
operation
250 – 3,500 mm 350 – 6,000 mm
250 ms 500 ms
Yes
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