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How to Select the Right Magnetometer For Your Application

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Published on Feb 25, 2013

http://www.futureelectronics.com/en/S...

During this video, we'll explain what is a Magnetometer and tell you about Future Electronic's line-up of featured Magnetometer products.

A magnetometer is a device that can measure magnetic field strength or direction. Combined with other sensing devices and microprocessors, electronic compasses, remote control or location-based service can be achieved.

MEMS magnetometers, which measure the magnetic field strength or direction, can acquire accurate orientation-independent compass heading information when used in conjunction with a three axis accelerometer.

The MAG3110 3-axis magnetometer is the latest addition to Freescale Semiconductor's extensive family of accelerometers, touch sensors and pressure sensors. The combination of the magnetometer with the accelerometer provides a full tilt compensated electronic compass capability. With a GPS-enabled device, direction-dependent location-based services can be achieved.

The MAG3110 3-axis magnetometer is the latest addition to Freescale Semiconductor's extensive family of accelerometers, touch sensors and pressure sensors. The combination of the magnetometer with the accelerometer provides a full tilt compensated electronic compass capability. With a GPS-enabled device, direction-dependent location-based services can be achieved.

Freescale also offers a Sensor Toolbox development tool to quickly start up the Xtrinsic MAG3110 magnetometer and 3-axis MMA8451Q accelerometer to see the raw data. Check boxes enable respective corrections such as tilt compensation, hard iron correction, and soft iron correction. This allows customers to understand what option they will need, and also what correction is expected.

Freescale also offers a Sensor Toolbox development tool to quickly start up the Xtrinsic MAG3110 magnetometer and 3-axis MMA8451Q accelerometer to see the raw data. Check boxes enable respective corrections such as tilt compensation, hard iron correction, and soft iron correction. This allows customers to understand what option they will need, and also what correction is expected.

Triaxis is Melexis' trademarked term to describe the innovative magnetic sensor technology which is capable of 3 axis magnetic field measurement from a single sensor. Via the Triaxis technology the sensors are able to measure the position of a magnet very precisely. They can be used to measure rotational, linear and 3D displacement as well as sense current flowing in a wire.

Triaxis sensors are small and capable of high temperature operation. The magnetic coupling of the signal means no physical contact and no wear items for virtually infinite life. Also it means they are impervious to dirt, dust, moisture, grease and oil, making them ideal for harsh
environments. Triaxis sensors also have self-diagnostic features, which make ideal in safety critical products like drive by wire and machine controls.

Magnetometers are used in „Mobile phones, Remote controls, Tablets and Navigation and Gaming devices. They can also be found in Automotive applications such as Steering angle, pedal position, seat position, battery current monitoring, charge level indication and hybrid vehicle battery control systems.

If the quantity of Magnetometers required is less than a full reel, we offer to our customers many of our Magnetometer products in tube, tray or individual quantities that will avoid unneeded surplus.

www.FutureElectronics.com

Visit us online today at FutureElectronics.com to buy or get more information about the features and uses of Magnetometers

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