String Potentiometers

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String Potentiometers

String Potentiometers—often referred to as cable extension transducers, draw wire sensors, or string encoders—are an incredibly straightforward solution for measuring linear position. The principle of operation involves a cable winding onto a spring-loaded spool that converts linear displacement into rotation. This rotating motion is then measured using a potentiometer or encoder, which is subsequently transformed into an analog or digital output. String pots are quite user-friendly to install, requiring no critical alignment and offering direct measurement at the point of interest. Our catalog includes a broad range of options in cable-actuated, string pots, and draw wire-type sensors, capable of accommodating a wide variety of applications, even for lengths extending beyond 50 meters. Each data sheet provides a comprehensive list of options to suit your specific needs, whether they pertain to structural testing, automotive testing, civil/structural applications, or specific OEM requirements like boom arms, elevators, and outriggers.

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Series 150-1

From
£807.29

Draw Wire Subminiature 0-38mm

Model 150 draw-wire sensor

  • Ranges 0 to 38 mm
  • Output voltage divider
  • Temperature -65 to 125 Deg C
  • Infinite resolution
CD50_1M_IP54_1

From
£244.02

Draw Wire Sensor 0-1250mm

CD-50 draw-wire sensor

  • Ranges 0 to 1,250 mm
  • Output options
  • ±0.10% linearity option
  • IP67 option
CD60_1M_IP54

From
£286.38

Draw Wire Sensor Heavy Duty 0-1500mm

CD-60 draw-wire sensor

  • Ranges 0 to 1,500 mm
  • Output options
  • ±0.10% linearity option
  • IP67 option
CD80_M12_IP67

From
£309.40

Draw Wire Sensor 0-2000mm

CD-80 draw-wire sensor

  • Ranges 0 to 2,000 mm
  • Output options
  • ±0.10% linearity option
  • IP ratings to IP67
CD120_M12_IP67

From
£361.89

Draw Wire Sensor 0-3000mm

CD-120 draw-wire sensor

  • Ranges 0 to 3,000 mm
  • Output options
  • ±0.10% linearity option
  • IP67 option
CD150_6000_IP67

From
£390.43

Draw Wire Sensor 0-6000mm

CD-150 draw-wire sensor

  • Ranges 0 to 6,000 mm
  • Output options
  • ±0.10% linearity option
  • IP67 option
RL_Stringpot_Extension

From
£33.15

Draw Wire Accessories

Draw wire sensor accessories

  • 1 metre extension cable
  • 3 metre extension cable
  • 5 metre extension cable
  • 10 metre extension cable
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