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Fork sensors
UF

The clear choice for detecting transparent labels

Your Benefits

  • Great flexibility: UF identifies labels reliably - regardless of whether they are transparent, opaque or printed
  • Fast response times enable precise detection – even at high web speeds
  • Teach-in function enables quick and easy commissioning
  • The aluminum housing meets all requirements for use in harsh industrial conditions
  • High process reliability: Ultrasonic technology prevents false detection, which may be caused by ambient light or shiny surfaces

Overview

The clear choice for detecting transparent labels

The UF ultrasonic sensors reliably detects labels and materials, regardless of printed design, transparency or surface characteristics. Unlike optical sensors, the UF3 relies on damping – a process where the thickness of a material determines the degree to which the sensor absorbs sound waves. A high level of positioning accuracy and stable response times make the fork sensor suitable for nearly any environment. Due to its small, compact metal housing, the UF can be used in harsh conditions and where space is limited. As a result, the UF3 can distinguish between labels located just 2 mm apart from one another on an adhesive tape. Applications include detecting transparent labels on transparent substrates, detecting labels with different printed designs or differentiating between single- and two-ply materials.

At a glance
  • Detection of transparent, opaque or printed labels
  • Unaffected by metallic foils and labels
  • Fast response time of 250 µs
  • Simple and accurate adjustment via teach-in button, or plus/minus buttons
  • Rugged, IP 65 aluminum housing

Applications

Technical overview

 
  • Technical data overview

    Technical data overview

    Functional principleUltrasonic detection principle
    Fork width3 mm
    Fork depth69 mm
    MDOGap between Labels / Size of labels: 2 mm 1)
    Switching frequency

    1.2 kHz 2)

    1.5 kHz 2)

    Response time

    300 µs 3)

    250 µs 3)

    Output functionLight/darkswitching, selectable via button
    Connection typeMale connector M8, 4-pin
    IO-Link functions
    Advanced functions
    • 1) Depends on the label thickness.
    • 2) With light/dark ratio 1:1, typical, depending on material and speed.
    • 3) Signal transit time with resistive load.
All technical data can be found accompanying the individual product

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