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Positioning Sensor

For applications with limited space and harsh environments

MTS Sensors (US) introduced a 316L grade stain-less steel version of the company’s Temposonics EH linear positioning sensor. The stainless steel components make the sensor suitable for applications involving fluid contact or exposure to sea air and moisture.

Magnetostrictive position sensing principle (Photo: MTS)

THIS SENSOR SERIES USES THE MAGNETOSTRICTIVE position sensing principle developed by the company. Within the sensing element, a sonic-strain pulse is induced in a specially designed magnetostrictive waveguide by the momentary interaction of two magnetic fields. The series features a pressure resistant sensor rod for direct stroke measurement inside hydraulic cylinders. With its so-called minimized sensor head and either a 7 mm or 10 mm rod, it is a solution when space is critical.

The sensor’s electronics convert the position measurements into bus-oriented outputs and transfer this data directly to the controller. The housing is equipped with an M12 connector and available with analog, CANopen, SSI, and Start-Stop output. E-Series sensors with a CANopen protocol are based as bus-nodes on the OSI reference model and are available with application data for single or dual-magnet measurements. The CANopen interface provides a direct position and velocity output.

Magnetostrictive position sensing principle (Photo: MTS)

The 316L grade stainless steel provides more protection for the electronic housing and the sensor rods, compared to conventional steel and other materials. “This product offers a significant advantage to manufacturers of equipment where continual exposure to liquid or moisture is an issue,” Matt Hankinson, technical marketing manager with MTS Sensors, explained. “Our customers should be able to reduce maintenance and product replacement concerns due to rust considerably.”

The product was developed specifically for applications such as chemical processing, medical equipment, beverage and food handling, as well as shipbuilding, naval, and oil production equipment. The EH rod version is corrosion resistant, offering protection class IP67 and IP69K and is suitable for washdown applications. It can be used at an operating temperature of -40 °C to +75 °C and provides a measuring length between 50 mm and 2500 mm.



Publish date
2014-04-09
Company

MTS Sensors

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