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A hall effect sensor is a simple device designed to measure the change in voltage when the sensor is near magnetic fields using the hall effect, it can then output this as electronic data. Due to their ability to sense electromagnetic fields, [hall effect sensor](http://https://uk.rs-online.com/web/generalDisplay.html?id=ideas-and-advice/hall-effect-sensors-guide) have a variety of uses in electronics and machinery applications. They are often used in conjunction with external magnets to trigger a number of desired outcomes, such as non-contact switching, proximity sensing and as position sensors. They are found in a number of devices such as computer keyboards and fuel gauges in automobiles. Hall effect devices are used in many industries where reliable, contactless sensing is desired, with countless applications in measurement and switching.

### How do Hall Effect Sensors Work?

Often referred to as hall sensors, these sensors are commonly used in switches. As the sensors are activated by external magnetic fields, they rely on the hall effect to trigger switches rather than relying on contacts physically touching. Contactless switching leads to reliable, quick-acting and very long-lasting operation, and so hall effect switches are often used in challenging industries.

There are 2 different types of hall effect sensors, linear output sensors (or analogue) and digital output sensors. Linear sensors use a continuous output voltage that increases or decreases depending on the magnetic pull from the magnetic field. Digital output devices have a bistable current that increases or decreases the output when the voltage rises and falls to different levels.

The RS range of Hall Effect Sensors includes bipolar and unipolar sensors of varying ranges and output types, from trusted brands such as Honeywell, Cherry, TE Connectivity and our own RS PRO brand.



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Hall Effect Sensor | Analog & Digital Sensor | RS

Hall Effect Sensors

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Cherry Hall Effect Sensors | RS

Buy from our selection of Hall Effect Sensors from Honeywell. At RS, we strive to give you the best offers from our supplier and to promptly deliver in the shortest time.

Honeywell Hall Effect Sensors

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