DC Digital Gaussmeter Based on Linear Hall-Effect Sensor IC
2019
In this paper, a DC digital gaussmeter for measuring magnetic fields up to $\pm 1000 G( \pm 100$ mT) is presented. It consists of two interchangeable transverse magnetic field probes based on Hall-effect sensor integrated circuits (ICs), a data acquisition module developed around a 8-bit PIC18F4550 microcontroller, a standard 2x16 character LCD display and a 5 V power supply module operating from 6 AA batteries. The instrument features USB connectivity and LabVIEW software for PC remote control. The gaussmeter is suitable for a full range of DC magnetic field measurements, and can be used for both research and teaching activities.
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