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Further Information
  2. Product Overview
  3. Object detection
  4. Ultrasonic sensors
Product portfolio

Miniature sensors
  • Smallest and lightest ultrasonic sensor with a weight of only 4 grams
  • Wide range of round and cubical designs
  • Narrow sonic beam for object detection even in the smallest openings
  • Sensing distances up to 400 mm
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Robust ultrasonic sensors with flexible parameterization
  • Extremely resistant sealed sensor element
  • Very short blind range of 70 mm
  • IO-Link functionality for flexible parameterization and easy installation
  • Also available with 2 output switches, as a retro-reflective or through beam sensor
  • Sensing distances up to 1000 mm
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Flat and cylindrical sensors

Ultrasonic sensors with teach button

  • Extremely compact, flat housing designs
  • Cylindrical versions in M18 or M30 housings with connector or cable output
  • With teach-in or potentiometer
  • Sensing distances up to 2000 mm
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Large sensing distances – Long ranges – Long-distance level detection up to 6 m

Large sensing distances

  • High degree of signal reliability thanks to narrow sonic beam
  • Available with 2 independent switching outputs
  • Easy one-button configuration
  • Sensing distances up to 6000 mm
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High-speed sensors

High-speed sensors

  • World's fastest ultrasonic sensor
  • Response time of only 1.3 ms
  • Sensors with sonic nozzle for small openings
  • Vertical and horizontal repeat accuracy of 0.5 mm
  • Sensing distances up to 70 mm
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Sensors with sonic nozzles – Level measurement into very small containers – Ultrasonic sensors

Sensors with sonic nozzles

  • Very narrow sonic beam for openings up to Ø3 mm
  • Detection of the smallest objects
  • Narrow housing for close arrangement (stacking)
  • Resolution up to 0.1 mm
  • Sensing distances up to 150 mm
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Chemically robust ultrasonic sensors – Miniature M12 sensors – chemically robust – Robust stainless steel miniature ultrasonic sensors – Miniature distance sensors M12 - chemically robust – Chemically robust ultrasonic distance sensors

Chemically robust ultrasonic sensors

  • High chemical resistance thanks to special coating
  • Easy mounting and parameterization
  • Fast response times < 6 ms
  • Sensing distances up to 1000 mm
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Ultrasonic sensors with IO-Link

Ultrasonic sensors with IO-Link
  • Modification of the sonic cone or activation of filtering in the field
  • Individual sensor setting
  • Additional data
  • Fast implementation and easy sensor exchange with automatic parameter transfer
  • Supporting the latest IO-Link standard 1.1
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Your benefits
  • High process safety even in demanding environments
    • Non-contact object detection regardless of brilliance, reflection, color or transparency
    • Impervious to dust, dirt or moisture
    • Ambient light immunity
    • High electromagnetic compatibility (EMC) as well as high chemical resistance
  • Increased productivity thanks to fast and precise processes
    • High-speed response times < 1.3 ms
    • Minimum interfering reflections thanks to narrow sonic beams
    • Focusing through sonic nozzles
  • Easy and fast commissioning
    • Automated parameterization with IO link
    • Suppression of mutual interaction by synchronization or multiplex mode
Applications
Foil break control – TopicID 36700 - Banner-Title-ID 3525 – TopicID 36700 - Beschreibung-Title-ID 3526 – TopicID 36704 - Banner-Title-ID 3525 – TopicID 36704 - Beschreibung-Title-ID 3526 – TopicID 36706 - Banner-Title-ID 3525 – TopicID 36706 - Beschreibung-Title-ID 3526

Foil break control

Ultrasonic sensors enable reliable detection of foil breaks or small cracks in the material of transparent foils even in fast applications.

Filling level during parts feeding

Filling level during parts feeding

During parts feeding in the production process, ultrasonic sensors enable reliable point level control, e.g. in parts bins or bowl feeders regardless of the type of objects (material, color, surface, transparency).

Detection in small openings – TopicID 36700 - Banner-Title-ID 3525 – TopicID 36700 - Anwendungen-Title-ID 3530 – TopicID 36704 - Banner-Title-ID 3525 – TopicID 36704 - Anwendungen-Title-ID 3530 – TopicID 36706 - Banner-Title-ID 3525 – TopicID 36706 - Anwendungen-Title-ID 3530

Detection in small openings

Ultrasonic sensors with a special sonic nozzle enable detection of objects and liquids in very small container openings, e.g. the filling of microtiter plates or test tubes.

Presence detection

Presence detection

Ultrasonic sensors detect objects regardless of their material, color or surface. Synchronization-or multiplex mode also enables reliable detection of large objects, gaps or even semi-transparent objects.

Object detection in demanding environments

Thanks to the rugged housing design and robust transducers, the ultrasonic sensors are also suitable for use in harsh conditions (e. e. washdown environment).

Technology

Ultrasonic sensors are based on the measured propagation time of the ultrasonic signal. They emit high-frequency sound waves which reflect on an object. The objects to be detected may be solid, liquid, granular or in powder form.  Ultrasonic sensors reliably detect transparent and other demanding objects where optical technologies fail.

Ultrasonic proximity switches – Funtionality of ultrasonic sensors

Ultrasonic proximity switches

Transmitter and receiver are integrated in one housing. The sensor switches as soon as the sonic signal is reflected back by an object within the adjusted sensing range (background suppression principle).

Advantage: simple installation, low cabling efforts

Ultrasonic retro-reflective sensors

Ultrasonic retro-reflective sensors

Transmitter and receiver are integrated in the same housing. The sensor detects the sound reflected by a fixed reflector. The sensor switches as an object interrupts the distance between sensor and reflector.

Advantage: Independent of object attributes, reliable signal even with extremely weak or diffuse reflective or sound-absorbing objects

Ultrasonic through beam sensors

Ultrasonic through beam sensors

Transmitter and receiver are mounted opposite each other in two housings. The sensor switches as soon as an object interrupts the sound waves.

Advantage: shortest response times of all ultrasonic sensor principles, longer ranges than in the size comparable retro-reflective sensors or proximity switches

Mounting of ultrasonic sensors

Mounting of ultrasonic sensors

Ultrasonic sensors offer a high degree of flexibility in installation. Learn more about what you should consider when mounting ultrasonic sensors.

Downloads
Brochures / Catalogs
Technical and Application Reports / White Paper

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