Sensor Matched Magnets refer to magnets that are specifically designed to match the characteristics of certain types of sensors, ensuring optimal performance and sensitivity. These magnets are commonly used in proximity sensors, position sensors, and more, for accurate magnetic field detection and positioning.

Introduction of Magnetic Sensor

Magnetic sensors are solid-state devices designed to detect and measure distance, speed, rotation, angle, and position by converting magnetic information into electrical signals. These signals are then processed by electrical circuits. Their popularity stems from their ease of use and resilience against high vibrations, water, and dust.

Types of Magnetic Sensors

Magnetic sensors can be categorized into various types based on the technology or elements they utilize, including fluxgates, coils, Hall effect elements, light pumping, magnetoresistive sensors, nuclear precession, SQUIDs, magnetic tunnel junctions, giant magnetoimpedance, piezoelectric components, optical fibers, and small electromechanical elements.

Working Principle of Magnetic Sensors

The operation of magnetic sensors depends on the specific sensor element used. All magnetic sensors interact with the Earth's magnetic field. For instance, a basic magnetic sensor can detect a moving ferrous object. When an iron object is brought close to a coil or a wire wound around a permanent magnet, the magnetic flux through the coil changes, generating voltage at its terminals.