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UPF-A teach-in Series

New family of teachable ultrasonic fork sensors for web guide and edge control


Data sheet PDF:
  • Ultrasonic fork barrier with analogue output 0...10V

  • The analogue signal is a function of lateral covering

  • For edge control and web guidance systems

  • For transparent foils

  • For contaminated air

  • High accuracy and temperature stability

  • High measurement range

  • Very small plane change influence

  • high sampling rate

  • Teach-In

  • Swiss made

Teach-In keyboard with 3 LEDs


  • Teach-In of open and covered status >> adaption to local air conditions (sea level and humidity)

  • Teach-In by keyboard or externally by wire

  • Teach-In of inverted output (0...10V or 10...0V)

  • allows web guide control of accustically transparent material as well (textiles e.g.)

  • robust M12 connector

  • 3 LEDs showing edge position and teach status as well

  • totally 4 versions with 4 different fork widths and 2 sensing widths

The edge sensor type UPF-A TOR is based on the experience of SNT Sensortechnik AG with ultrasonic through beam sensors. New software algorhythms and a unique SONARANGE ultrasonic transducer material allow an accuracy and temperature stability so far only realized with optical systems. But the ultrasonic fork barrier is much less sensitive to dirt and dust compared to optical sensors. Further more transparent materials such as foils can be perfectly handled. The so called plane change error has been minimized to almost zero. Together with the high sampling speed of the sensor this means that fast moving and thus fluttering webs are well aligned.


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