MLX92211LSE-BAA-037-RE

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Introduction

MLX92211LSE-BAA-037-RE is a magnetic sensor switch that functions as a ‘Solid State’ Magnetometer. The device offers a reliable detection system for magnetic field measurement. It is designed to easily detect changes in applied magnetic field due to nearby metal objects. When a metal object is moved within its detection field of view, or when a permanent magnet declines in field strength, MLX92211LSE-BAA-037-RE provides a unique circuitry incorporated in the unit for solid state switching.

Applications

The MLX92211LSE-BAA-037-RE is mainly aimed to be used in two different applications: industrial and medical. For industrial applications, the device can be used to sense relatively high magnetic field changes due to metal objects that are moved or adjusted in the vicinity of the unit. The system is suitable to detect through items such as flat sheets of metal that are large enough to block out any ambient magnetic field. In medical areas, the unit can be used to monitor the field strength variation or the motion of metal objects. For instance, it can be used in magnetic resonance imaging systems (MRI) to detect when a metal object comes near the field of view. The MLX92211LSE-BAA-037-RE is also suitable for use in surgical applications, where it can signal whether a metal surgical tool is near or in the magnet field of view. Although the device can be applied to several applications, it is better suited in areas where it is not exposed to any ambient magnetic fields that exceed 0.2mT.

Working Principle

The MLX92211LSE-BAA-037-RE is composed of two major components. The first component is a magnetically sensitive switch that actives an external circuit when the Magnetic field of view is disturbed by a metallic object. The second component is a permanent magnet which allows the unit to measure and detect any changes in magnetic field with sensitive microprocessor. The two components work together by accurately determining when an external body passes through the magnetic field of view. The permanent magnet calibrates the system to create an initial base reading, which is stored in the memory of the microprocessor. As the sensor then detects a change in the magnetic field, the permanent magnet reinforces the field to ensure a continuous and suitable level is maintained. When the external body passes by, interrupts the magnet\'s field, the microprocessor detects the change and switches the external circuitry on or off. So the circuit is able to detect in a single pass whenever a metallic objects as been seen in the view field of the magnetic sensor.

Conclusion

In conclusion, the MLX92211LSE-BAA-037-RE device is a reliable magnetic sensor switch ideal for detecting metal objects within a field of view. It is suitable for industrial and medical applications where it can be used to detect rapid changes in magnetic field due to metal objects. The two main components, the magnetically sensitive switch and a permanent magnet, work together to accurately measure and detect any changes in field strength.

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