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Sensor Magnets

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The Application Of Permanent Magnets In Magnetic Sensors

The Application Of Permanent Magnets In Magnetic Sensors Magnetic Sensors Permanent magnets * Permanent magnets are ubiquitous in modern societies. Devices which use permanent magnets include motors, sensors, actuators, acoustic transducers, etc. These are used in home appliances, speakers, office automation equipment, aerospace, wind turbine generators, medical laboratory diagnostic test equipment, and more. It is [...]

Customized Micro Magnet Solution by HSMAG

Customized Micro Magnet Solution by HSMAG HSMAG' Customized Micro Magnet is always pleased to offer you new tiny magnet solution. Based on your demand, we will produce test product for long term cooperation. University study, institute research and new product development are mostly welcome. Customized Micro Magnet Solution by HSMAG Technology is the [...]

What’s GMR magnetic sensor : “Giant Magnetoresistance”?

What’s GMR magnetic sensor : “Giant Magnetoresistance”? The “giant magnetoresistive” (GMR) effect was discovered in the late 1980s by two European scientists working independently: Peter Gruenberg of the KFA research institute in Julich, Germany, and Albert Fert of the University of Paris-Sud . In 1988, scientists discovered the “Giant Magneto Resistive” effect – a large [...]

Universal Magnetic Rotary Encoders

Universal Magnetic Rotary Encoders, Universal Magnetic Position Encoder Includes Linear Hall Sensors Rotary encoders convert rotary movement or angular position into analogue or digital signals for use in measurement or control systems. They can be classified in a number of ways, primarily by the type of output they provide, either absolute or incremental. The incremental [...]

Reed Switches

Reed Switches, Hall Effect and Magnetoresistive Sensors Magnetic sensors indirectly measure properties such as direction, position, rotation, angle and current by detecting the magnetic field and its changes. The first application of permanent magnet was a 3rd century BC Chinese compass, which is a direction sensor. Compared to other direct methods such as optical or [...]

Starter Control Circuit Components

Starter Control Circuit Components Starter Motor Magnetic Switches The ⚡ starter motor ⚡ requires large amounts of current (up to 300 amperes) to generate the torque needed to turn the engine. The conductors used to carry this amount of current (battery cables) must be large enough to handle the current with very little voltage drop. [...]

Hall-Effect Sensors

Hall-Effect Sensors Based on the principle that if a current is allowed to flow through thin conducting material that is exposed to a magnetic field, another voltage is produced. The switch contains a permanent magnet, a thin semiconductor layer made of gallium arsenate crystal (Hall layer), and a shutter wheel. The Hall layer has a [...]

Position and Motion Detection Sensors

Position and Motion Detection Sensors Many electronic systems require input data concerning position, motion, and speed. Most motion and speed sensors use a magnet as the sensing element or sensed target to detect rotational or linear speed. The types of magnetic speed sensors include magnetoresistive (MR), inductive, variable reluctance (VR), and Hall-effect. In addition, the [...]