1GM1000

Series:	--
Part Status:	Obsolete

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Magnetic sensors are used to provide feedback about the position and proximity of a device or object, as well as speed. Magnetic sensors are used in a variety of applications such as automotive, industrial machinery, robotics, medical equipment, telecommunications, consumer electronics, and computers.The working principle of a magnetic sensor is based on electromagnetic induction. Basically, a magnetic field is generated by passing an electrical current through a coil. The magnetic field that is produced will interact with other magnetic fields, causing a change in the electrical current in the coil. This change in current is then measured and used to determine the position, proximity, and speed of the object the sensor is monitoring.There are a variety of different types of magnetic sensors available on the market today. The most common type of magnetic sensors are Hall effect sensors, linear position sensors, and resolvers.Hall effect sensors rely on measuring the magnetic field that is generated around a current carrying conductor. When the conductor is exposed to a magnetic field, a voltage is generated across the Hall effect sensor. By measuring this voltage, the intensity of the magnetic field can be determined. Hall effect sensors can be used to measure direction, and changes in direction of a magnetic field.Linear position sensors are used to measure the linear position of an object relative to the sensor. This type of sensor uses a Hall effect sensor that is placed inside a track, along with a magnet attached to any part that is going to be monitored. By monitoring the change in the magnitude of the magnetic field as the magnet moves along the track, the position of the object can be determined.Resolvers are a type of magnetic sensor that is primarily used to measure the angle of a rotating shaft or object. A resolver does this by generating an alternating current that passes through two coils - one coil senses the magnetic field of the rotor and the other coil generates the magnetic field. As the shaft rotates, the relative positions of the two coils change, causing the current of the two coils to be different. By measuring the difference between the two currents, the angle of the rotor can be determined.Magnetic sensors are also used to measure the rotational speed of a shaft. In this case, the sensor is placed on the shaft and the intensity of the magnetic field is measured. As the speed of the shaft increases, the magnitude of the magnetic field increases as well. By calculating the change in the magnetic field over a given period of time, the speed of the shaft can be determined.Specialized magnetic sensors can also be used to measure the torque of a system, by taking advantage of the principle of electromagnetic induction.When a current is applied to a conductor, a torque is produced. By measuring the torque that is produced, the torque of the system can be determined.In summary, magnetic sensors are used to provide feedback on the position, proximity, and speed of devices or objects. Magnetic sensors generally rely on electromagnetic induction to measure changes in the magnetic field that is generated around a conductor. There are a variety of different types of magnetic sensors available on the market that are used for different applications, such as Hall effect sensors, linear position sensors, and resolvers. Specialized magnetic sensors can also be used to measure torque.

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