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Mobile hydraulic sensor touts CAN bus interface

Posted: 27 Aug 2007 ?? ?Print Version ?Bookmark and Share

Keywords:MH sensors? mobile hydraulic sensor? CAN bus interface?

Extending its mobile hydraulic (MH) sensor line, MTS Systems Corp., Sensors Division has developed a compact position sensor, based on the company's Temposonics technology, with a CAN bus interface. The MH sensor is suitable for off-road applications including welded and tie-rod cylinders or any space-limited cylinder applications.

With a 100g shock and 25g vibration rating, the MH sensor targets rugged environments, especially those typically encountered in construction, agriculture and other off-highway machinery. Designed for cylinders 2-inches in diameter (or larger), the MH sensor provides measurement ranges between two to 98-inches (50-2,500mm), while maintaining high levels of accuracy and repeatability, said MTS.

The MH sensor consists of a sensor head with a rugged housing and built-in electronics, a pressure-proof sensor pipe that protects the internal sensing element, and a position magnet. Along with high shock and vibration ratings, the sensor offers 200V/m EMI protection.

The MH sensor works with CAN J1939 and CANopen, measuring displacement and speed variables. The sensor is said to be extremely reliable once installed inside a hydraulic cylinder, even when subjected to the harsh conditions found in off-highway machinery. Moreover, a recent re-design of the mechanical housing has provided a more robust wire/cable exit that improves the level of strain relief and sealing.

The M-Series sensors meet ISO14982 standards for agricultural and forest machines and ISO7637-0/1/2 standards for road vehicles, and are CE certified. The MH sensor can be installed from the head side or the rod side of the cylinder depending on the cylinder design.

- Gina Roos

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