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Summary

Ultrasonic Diameter Sensors

Safely and Easily Monitor Web Material Rolls

Ultrasonic Diameter Sensor for Web Tension Control Systems

The Double E Ultrasonic Diameter Sensor uses sound waves to measure distance from the sensor to the roll of material. Distance is calculated by measuring the time it takes for the sensor to emit the sound wave and then receive it back after it has been reflected off the outer surface of the roll. The measured distance is then scaled to match an analog output signal, either 0-10V or 4-20mA depending on the model of sensor. This sensor is excellent for use in open-loop unwind tension control applications, soft loop unwind applications and for inertia compensation calculation on advanced roll unwind and winding applications.

Product Information

Features

  • Teach mode programming for simple setup. Teach can be performed either though pushbutton or remote contacts.
  • High accuracy with built in temperature compensation
  • LED’s for operating status
  • Rugged IP67 enclosure with fully encapsulated electronics
  • Integrated cable
  • Choice of analog outputs: (0-10V, 4-20mA)
  • 2-second output hold upon loss of signal, useful for harsh and unstable conditions
  • Combine with a controller to create start and end of roll alarms

Schematic:

Technical Specifications

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