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Fife DSE-31 Digital Ultrasonic Sensor

  • Insensitive to ambient light
  • Insensitive to electrostatic discharge
  • Temperature stabilized
  • Low power consumption
  • Can be used for new guiding systems as well as for an upgrade of existing systems
  • Fast, easy and robust mounting due to multiple mounting brackets and sensor positioners
  • Can be connected to all available Fife web guide processors

Fife DSE-31 Ultrasonic Sensor Specifications

  • Proportional Band Width7.6 mm
  • Sensor Signal SourceUltrasonic (150 kHz)
  • Weight200 grams
  • Operating Temperature5 to 60° C (41 to 140° F)
  • IP Protection54
  • Power Supply10-28V
  • Output Signal0 to 10 (4-20 mA optional digital data exchange RS-485)
  • Linearity5% nominal maximum error (at 10% to 90% of signal)
  • Plane Change5% nominal maximum error (at 20% to 80% of gap width)
  • Temperature Drift5% nominal maximum error (at 10°C to 40°C)

The DSE - 31 digital ultrasonic sensor is the smallest ultrasonic sensor available from Fife. Because of its compact size, light weight, and temperature stability, it is used to guide both clear films and most opaque webs.

The DSE - 31 uses ultrasonic waves to measure the lateral position of the web material. The proportional band allows significant guide point adjustment. The DSE - 31 is often used in pairs for centre guiding when web width variations are limited. The DSE - 31is insensitive to ambient light and it’s used to guide most of the opaque material and clear films. When used with acoustically permeable material a calibration between the sensor and the material is necessary.

It is possible to operate the DSE - 31 with either a supply voltage of 12 V or 24 V. The output signal would automatically be switched over in that case. In 12 V supply mode the sensor provides an output signal from 0 to 10 mA and can be connected to all available Fife web guide processors. In 24 V supply mode the sensor supplies an output signal between 4 and 20 mA and can be easily connected to a PLC as well.

The DSE - 31 has a built-in LED display, visible from both sides, and shows directly on the sensor information about the operating status like for instance the existence of the supply voltage, position of the edge of the web inside the field of view or error messages.

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