magnetostrictive linear displacement transducer
A magnetostrictive linear displacement transducer (MLDT) is a sophisticated position sensing device that utilizes the magnetostrictive principle to provide highly accurate measurements of linear position and displacement. This innovative technology employs a ferromagnetic waveguide housed within a protective tube, along with a movable position magnet that travels along its length. When a current pulse is sent through the waveguide, it interacts with the magnetic field created by the position magnet, generating a torsional strain wave. This wave travels along the waveguide at a known speed until it reaches a sensing element at the end of the tube. By measuring the time between the initial current pulse and the detection of the strain wave, the system can precisely determine the position of the magnet. MLDTs offer exceptional accuracy, typically achieving precision levels of up to 0.001% of the measured length. They operate reliably in harsh industrial environments, withstanding extreme temperatures, high pressures, and mechanical vibrations. These transducers are widely implemented in various applications, including hydraulic cylinders, injection molding machines, industrial automation systems, and precision manufacturing equipment. Their non-contact measurement principle ensures long-term reliability and minimal wear, making them ideal for continuous operation in demanding industrial settings.
EN
