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Versatile Linear Sensors

Draw wire sensors, also called cable pull sensors, are designed to perform linear position measurement using an encoder and thus providing high accuracy sensing. Connected to a draw wire, the encoder delivers a signal proportional to the cable that is pulled out. While pinion and racks require perfect alignment and soldering, a draw wire sensor offers an easy-to-install system with a large variety of interface options. Thanks to the powerful UBIFAST configuration tool, customers can define the needed resolution after selecting the desired measuring range. It therefore answers any type of application involving linear displacement.

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Wide Range of Measuring Lengths
  • 1 to 15 m (3’ to 49’)

Absolute Position Measurement
  • 15+ Communication Interfaces

High Linearity
  • Even with Long Cycle Times

Define Your Own Measuring Length
  • Scalable Analog Output

Teach-in Functionalities
  • No Software or Programming Required

Outdoor Application Ready
  • With Protection Class up to IP69K

Safety Ready – Through Clever Design
  • Tandem Redundant Encoders

Tilt and Linear Measurement in One Sensor
  • When Combined with POSITAL Inclinometer

Main Variations

LINARIX linear sensors are available in many configurations to meet any application’s requirements, from near clean room conditions to harbors handling arms and construction cranes. Options include a wide variety of outputs (including analog, fieldbus and Ethernet variants), heavy duty housings and compact designs.


LINARIX sensors provide highly reliable and precise measurements thanks to the accuracy of the absolute encoders in combination with high quality draw wire mechanics. Their rugged construction ensures reliable performance and long lifetimes even under extreme conditions. For example, articulation boom lifts and telescopic boom lifts present similar constraints: simultaneously managing angle and extension. POSITAL draw wire sensors with an integrated inclinometer offer single sensor which allows precise positioning while articulating your boom crane

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