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Contact as well as non contact capacitive sensors work by measuring changes in an electrical property called capacitance. Capacitance describes how two conductive objects with a space between them respond to a voltage difference applied to them. High switching distance up to 30 mm even through non-metallic walls. Absolutely reliable even when interfered by ambient conditions. Absolutely reliable detection of objects such as wafers, PCBs, paper stacks or hot adhesives up to 200 °C

Key Features

Applications

  • Independent of color, gloss or surface properties
  • Insensitive to dust and dirt
  • Robust construction in hygienic design
  • Sensors with flush installation are especially recommended for non-conductive (dielectric) media
  • Detection regardless of transparency or brightness of the objects
  • Large sensing distances ensure reliable box detection
  • Adhesive liquid level detection
  • Plastic granules detection
  • Presence detection of plastic boxes
  • Wafer detection in solar cell manufacturing facilities
  • Granulate bulk goods detection in injection molding plants
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A photoelectric sensor, or photo eye, is an equipment used to discover the distance, absence, or presence of an object by using a light transmitter, often infrared, and a photoelectric receiver.

Types of Photoelectric sensors

  • Diffuse sensor
  • Diffuse sensor with background suppression
  • Retroreflective sensor
  • Fork and angle sensors
  • Contrast and color mark sensors
  • Laser sensors

Key Features

Applications

  • Reliable detection of transparent objects
  • Numerous laser sensors with up to 0.1 mm fine laser beams
  • Miniature sensors with long ranges up to 8 m
  • Reliable function in harsh environments
  • Large selection of sensors in hygiene or washdown design
  • The first light barrier without a reflector and thus reduced service costs
  • Simple and reliable qTeach teach-in procedure
  • Easy to install, standardized designs
  • Presence check in the process in any object position
  • Extremely fast and accurate position detection even of the smallest objects
  • For use in robotics and with electronics components
  • Automatically configured object detection, e.g. in the case of format adjustment
  • Reliable object detection even over a large distance
  • Reliable object counting even with slightest gaps
  • Detection of different object materials, colors and contrasts
  • Detection of even transparent objects and uneven, pitted or rough surface
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Ultrasonic sensors are used around the world, indoors and outdoors in the harshest conditions, for a variety of applications. Ultrasonic sensors use high frequency sound waves to resonate a desired frequency and convert electric energy into acoustic energy, and vice versa. Sound waves are transmitted to and reflected from the target back to the transducer. Targets can have any reflective form, even round. Certain variables, such as target surface angle, changes in temperature and humidity, and reflective surface roughness, can affect the operation of the sensors.

 

Key Features

Applications

  • Sensing distances up to 6000 mm
  • Sensors with sonic nozzles
  • High speed sensor : Response time of only 1.3 ms
  • Vertical and horizontal repeat accuracy of 0.5 mm
  • Very narrow sonic beam for openings up to Ø3 mm
  • Chemically robust ultrasonic sensors
  • Non-contact object detection regardless of brilliance, reflection, color or transparency
  • Impervious to dust, dirt or moisture
  • Easy and fast commissioning
  • Reliable detection of foil breaks or small cracks in the material of transparent foils even in fast applications.
  • Filling level during parts feeding
  • Detection in small openings
  • Detect objects regardless of their material, color or surface
  • Object detection in demanding environments
  • Distance measurement
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Inductive sensors are used for the detection of conductive objects such as metals and carbon. 

Inductive proximity sensors are used for non-contact detection of metallic objects. Their operating principle is based on a coil and oscillator that creates an electromagnetic field in the close surroundings of the sensing surface.

Key Features

Applications

  • Sensing distances up to 18 mm
  • Cylindrical designs from Ø6.5 mm to M30
  • Flush and non-flush variants
  • High switching frequencies up to 3 kHz
  • Detection of stainless steel, aluminum and non-ferrous metals with the same sensing distance
  • ATEX certified sensors for potentially explosive areas
  • DNV-GL certified sensors for on- and offshore applications
  • Digital as well as analog outputs
  • Presence detection of a machine component
  • Counting metal objects (e.g. in component feed or conveyor technology)
  • Ultra precise referencing of the zero position of a moving machine component (e.g. in robotics)
  • Rotary speed measurement on metal gear wheel
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The magneto-resistive element is made of a special material which only reacts to magnetic fields, for example a permanent magnet, and provides a digital signal at the output. Detecting even very weak magnetic fields, the magneto-resistive element is approximately ten times more sensitive than a Hall element which enables a large switching distance. Magnetic proximity switches are omni-polar, meaning both North and South poles are being detected.

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The permanent ring magnet integrated in the cylinder piston produces a magnetic field which penetrates all non-ferromagnetic materials. The cylinder sensor triggers when detecting the magnetic field. The sensor is installed and secured in a slot integrated in the cylinder. Mounting accessories as clamps or clips allow for sensor installation in any standard cylinder.

Key Features

Applications

  • Reliable and wear-free object detection
  • Large sensing distances up to 60 mm
  • Cylindrical and rectangular versions
  • Maintenance-free and robust
  • Fast response time ensures reliable detection
  • Detecting stop positions of pistons in every standard cylinder with C- or T-slots
  • Different versions and versatile installation accessories for maximum flexibility
  • Non-contact sensing and absolutely wear-free
  • Monitoring final positions of telescopic outriggers
  • Stroke limitation in hydraulic cylinders
  • Liquid level detection using a float carried magnet
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A strong focus in the My-Com design was limiting the number of components to the absolute minimum. Just three moving parts and high-quality materials guarantee an enormous number of switching operations with constant repeat accuracy. Short, linear travel in just two directions and sensitive to even the slightest  activating force further increase both reliability and service life of the My-Com precision switch, which has been proving absolute reliability in over 1 million applications

Key Features

Applications

  • Different housing designs
  • PNP/NPN three-wire design
  • Lateral angle of approach max. 30°
  • Rugged with IP 67 class protection
  • Micrometer precision
  • Reliable in any situation
  • Cost-efficient with longer service life
  • Reference point setting in X/Y tables and machine tools
  • Monitoring of the closing and locking accuracy of injection moulds
  • Detection of the tiniest deflections, movements and deformations
  • Integration in measuring sensors, gages and activating pins
  • Calibration of measuring instruments in quality control
  • Monitoring of surface roughness
  • Other applications in precision mechanical engineering
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