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Temperature error of Hall-effect and magnetoresistive commercial magnetometers

Nowicki M., Kachniarz M., Szewczyk R.

Archives of Electrical Engineering

2017

Vol. 66, nr 3

625--630

The paper presents a special measurement system for investigation of temperature influence on the indication of commercially available sensors of the magnetic field. Utilizing the developed system, several magnetoresistive and Hall-effect sensors were investigated within the temperature range from –30°C to 70°C. The obtained results indicate that sensitivity of most of the investigated sensors is unaffected, except the basic magnetoresistive device. However, Hall-effect sensors exhibit considerable temperature drift, regardless of the manufacturer.