giovedì 25 novembre 2010

Sensore di misura Magnetico-Induttivo fino a 45 mm

Micro-Epsilon's mainSensor (MAgneto-INductive sensor) is a new alternative in the field of wear-free distance measurement. The measurement object is represented by a small magnet, which can be easily attached via a hole drilled in any non-ferromagnetic support. Similar to Hall Effect sensors, the measuring principle is based on changes in the magnetic field strength.

Through a new method (patent-pending) there is a linear relationship between output signal and displacement change, and not between signal and magnetic field strength, as with a Hall Effect sensor. In this way, displacements of 45mm can be detected in high resolution.


Unlike conventional magnetic sensors, measurements are carried out from the front, providing an output signal of 4-20mA and 2-10V. Due to its high cut-off frequency (1,000 Hz) the sensor can also be used in highly dynamic processes. The industrial version of the mainSensor is available in two different models. One is enclosed in a robust M30 stainless steel housing, the other in a flat injection-moulded plastic enclosure. Both are easy to attach using a plug-in connector. Due to their mechanical structure and the measuring principle, contaminants - such as oil or water - within the measuring range have no influence on the output signal. This means that the sensors can be used in very challenging environments. The high production capacity enables the Micro-Epsilon Group to manufacture the entire sensor in-house, without relying on any time-consuming semiconductor processes. Micro-Epsilon makes use of this advantage to provide a flexible response to customer-specific requests. Medium-sized and high quantities based on individual requirements can therefore be offered at very attractive prices. This new technology enables different versions to be offered from a single product catalogue, as well as large, customer-specific series.

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