Optoelectronics

Magnetic proximity switches expand magnetic sensor portfolio

1st July 2011
ES Admin

Baumer expands its magnetic sensor portfolio with three new families of magnetic proximity switches.

* Sensing distance up to 60 mm
* Detects magnetic fields through metal walls
* Suitable for outdoor applications, e.g. in agricultural implements
* Sensing distance can be influenced with magnet choice

This new product group detects magnetic fields over a large distance, depending on the permanent magnet up to 60 mm and even through metal walls.

The housings of the new magnetic proximity switches MFxM are very compact and rectangular or standard M8. To some extent they are identical to standard inductive sensors. As a result, an easy replacement is possible when larger sensing distances are required or metal parts influence the inductive sensor’s detection. The large sensing range can provide increased tolerances, thus compensating a rocking motion of the object to be detected.

Since the magnetic sensors only detect magnetic fields, they can be applied without problems when metal is in front of their sensing faces.

Therefore, the sensor can detect through walls of non-ferromagnetic material. This can also be stainless steel or aluminium. The advantage is that the sensor as well as the permanent magnet can be installed in a protected way. Especially in outdoor applications such as in agricultural implements, cranes or lifting vehicles, this possible enclosure means additional robustness.

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