Apg MPX Slave Sensor user manual Instrukcja Użytkownika Pobierz pdf (Strona 4)

MPX Series Magnetostrictive Level Sensors Rev. B, 4/13

Automation Products Group, Inc.

APG...Providing tailored solutions for measurement applications

Tel: 1/888/525-7300 • Fax: 1/435/753-7490 • www.apgsensors.com • [email protected]

• How does it work?

The MP series level sensors are based on magnetostricve technology.

Inside the stainless steel stem is a wire waveguide made of a metal that has

magnetostricve properes. Magnetostricve means that the atoms in

the metal realign in the presence of a magnec eld causing the metal to

temporarily deform or elongate very slightly. Inside the oat(s) are permanent

magnets. When a quick pulse of current is sent through the wire waveguide,

the magnec eld generated by the current pulse interacts with the magnec

eld of the oat(s) to realign the atoms in the waveguide. This results in a

rapid torsion that sends vibraons through the waveguide at near the speed

of sound. The sensor picks up the vibraon pulse, and through precisely

measuring the me elapsed between the current pulse and the torsion

vibraon, determines with precision the locaon of the oat. The MP has the

capability to simultaneously monitor two oats on a single stem, giving it the

ability to measure an oil/water interface level in addion to the total tank level.

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Apg MPX Slave Sensor user manual Instrukcja Użytkownika Strona 4