A magnetostrictive application probe is disclosed wherein the probe includes a preassembled sensor element mounted as an application housing installation as an installable unit. The modular nature allows interchanging with various electronic assemblies, and may be an explosion proof installation....http://www.google.es/patents/US7345472?utm_source=gb-gplus-sharePatente US7345472 - Isolated magnetostrictive buffered liquid level sensor
