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RFID magnetometer tag boasts instant magnetic field readings

Posted: 18 Nov 2013     Print Version  Bookmark and Share

Keywords:Farsens  magnetometer  RFID sensor  STMicroelectronics 

The Magneto from Farsens S.L. is a battery free RFID sensor tag capable of transmitting a unique identifier and the associated magnetic field measurement data to a commercial EPC C1G2 reader without the need of a battery on the sensor tag.

The device features a LIS3MDL magnetometer from STMicroelectronics with a measurement range from ±4 gauss to ±16 gauss. The tag comes in a variety of antenna designs and sizes to adapt the performance to the required application in the 860-960MHz band. The reading distance for the battery free magnetometer tag is about 1.5m and it can be embedded in a wide variety of materials such as plastics or concrete. The tags can be easily retrofitted to piping systems (rust monitoring), industrial process automation (actions based on magnetic field changes) or used as smart dust devices.

Evaluation kits are available.

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