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Draw Wire Sensors

Draw-wire displacement and position sensors are essentially electronic tape measures and measure the linear movement of a component by means of a wire made of highly-flexible stainless steel strands, which is wound onto a drum by a long-life spring motor. The measuring drum is axially coupled with a multi-turn potentiometer, an incremental encoder, or an absolute encoder. With the draw-wire principle a linear movement is transformed into a rotary movement and then converted into a resistance change or into countable increments. Advantages - Very accurate - Long measuring ranges - Robust and compact - Easy installation and handling - Compact design - Excellent price/performance ratio

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