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Industrial Sensors

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Industrial Sensors

Inductive proximity sensors

Inductive proximity sensors are the preferred choice for the majority of applications requiring accurate, non-contact detection of metallic objects in machinery or automation equipment. As a pioneer and market leader, Pepperl+Fuchs offers innovative, high quality inductive sensors to meet the needs of the worldwide automation and process control markets. Our experience, flexibility and customer focus continues to allow us to offer custom designed solutions for the most unique and demanding applications.

    Standard Inductive Sensor Product features

  • Polarity reversal and short-circuit protected
  • Connection styles include M8, M12 or terminal connection models
  • Models with PVC, PUR or silicon cable
  • LED status indication
  • Outputs in 2-, 3-, 4-wire DC, AC, NAMUR, and AS-Interface versions

    Application Specific Inductive Sensor features:

  • Analog output models with 4-20 mA output signal
  • Integrated speed monitor with up to 100 Hz operation
  • Pressure resistant cylinder sensors for up to 500 bar
  • Sensors approved for gas and dust Ex zones
  • Models with stainless steel sensing face
  • Weld resistant designs with PTFE-coated surface
  • Reduction factor of 1, all metals sensed at same distance
  • Exclusive ferrous and non-ferrous detection models
  • Safety function sensors
  • Extended temperature range: -40 °C up to +250 °C
  • Protective class of up to IP68/ IP69k
    (submersible/ high pressure water jet resistant)

    Capacitive Sensors

    Capacitive sensors can be used to detect metal objects as well as nearly all other materials. These sensors are often used in applications including level, flow control for detection of liquids, grains and powders.

    Standard Capacitive Sensor Product features:

  • 12, 18 and 30 mm cylindrical styles of stainless steel or plastic housings
  • 5mm thin rectangular and long range 80 mm x 80 mm x 40 mm styles
  • Sensor outputs of 3-wire DC and NAMUR output types
  • Models with hazardous area approvals

    Magnetic Field Sensors

    Our magnetic field sensor selection consists of the M12 housing style for traditional magnetic detection applications. Also offered is a non-contact, piston detection sensor for use with steel hydraulic cylinders. These magnetic sensors offer reliable piston magnet detection and are easily mounted, without the need for mounting slots or holes in the cylinder.

Photoelectric Sensors

Thru-Beam Sensors

The emitter and receiver on thru-beam sensors are aligned opposite one another. The advantage of this is that the light reaches the receiver directly and long detection ranges and high excess gain can therefore be achieved. These sensors are capable of reliably detecting almost any object. The angle of incidence, surface characteristics, color of the object, etc., are irrelevant and do not influence the functional reliability of the sensor.

Retroreflective Sensors

The emitter and receiver are aligned in a housing such that the retroreflective sensors are easy to install. Simply position a reflector on the opposite side and align the sensor with it. The standard version featuring a polarization filter combines the installation benefits offered by the retroreflective system with the reliable detection, even of reflective objects, at long detection ranges. The retroreflective sensors for clear object detection are ideal for reliably detecting transparent objects.

Diffuse Mode Sensors

Diffuse mode sensors are particularly easy to install, since only one device has to be fitted and no reflector is required. These sensors operate primarily at close range, feature optimum switching accuracy, and can reliably detect even very small objects. The sensors with background suppression sense only a specific area in front of the sensor. The sensor ignores any objects that are outside of this area. Sensors with background suppression are also insensitive to interfering objects in the background and are still extremely precise. Sensors with background evaluation are always used in applications with a fixed background in the measuring range with which you can align the sensor.

Switching Sensors with Measurement Core Technologys

Switching sensors with measurement core technology are based the Multi Pixel Technology (MPT) developed by Pepperl+Fuchs. Thus, multiple operating modes and switching points are easily set up in a single triangulation sensor. These photoelectric sensors can be configured as background suppression sensors, background evaluation sensors, and in window operation mode. Additionally, the sensors are equipped with a standard IO-Link interface which enables users to easily integrate them into versatile applications.

Ultrasonic Sensors

In industrial applications, ultrasonic sensors are characterized by their reliability and outstanding versatility. Ultrasonic sensors can be used to solve even the most complex tasks involving object detection or level measurement with millimeter precision, because their measuring method works reliably under almost all conditions.

No other measuring method can be successfully put to use on such a wide scale and in so many different applications. The devices are extremely robust, making them suitable for even the toughest conditions. The sensor surface cleans itself through vibration, and that is not the only reason why the sensor is insensitive to dirt. The physical principle—the propagation of sound—works, with a few exceptions, in practically any environment.

The measuring method employed by ultrasonic sensors has been viewed as an excessively complex technology, and only used as a “last resort” ... as a solution for particularly difficult applications. Those times have long since passed!

Ultrasonic sensors have proven their reliability and endurance in virtually all industrial sectors.

    These sectors include:

  • Mechanical engineering/machine tool
  • Food and beverage
  • Woodworking and furniture
  • Building materials
  • Agriculture
  • Construction
  • Pulp and paper
  • Material handling
  • Level measurement