How Does a Magnetostrictive Sensor Work?

It works by using a ferromagnetic metal, which aligns itself with magnetic fields at the molecular level. ... A magnetostrictive probe is built by suspending a ferromagnetic metal wire inside a long stem. Electronics at the top of the stem generate an electrical pulse that travels down the wire, at regular intervals.

What is a magnetostrictive sensor?

Magnetostrictive position sensors are non-contact linear position sensors that use the momentary interaction of two magnetic fields to produce a strain pulse that moves along a waveguide. ... Magnetrostriction is a property of ferromagnetic materials to expand or contract when placed in a magnetic field.

What is the principle of magnetostrictive force sensor?

Inside the probe tube there is a rigid wire made of magnetostrictive material. The sensor circuitry emits pulses of current through the wire, generating a circular magnetic field. The level transmitter is a magnet, which is integrated into the float.