High accuracy magnetic field measurements with a Hall probe
A silicon-based temperature stabilized axial Hall probe with an absolute accuracy of plus or minus 40ppm in the full range between 0 and 6T is presented. The absolute calibration of the probe is performed against a nuclear magnetic resonance probe. The application of the probe to a magnetic field profile of a 5T superconducting magnet system, with field gradients as high as 30 T/m, reaching an overall accuracy of better than plus or minus 100ppm, is demonstrated. In addition to the high absolute accuracy, this hall probe allows high spatial resolution measurements of inhomogenous fields in configurations where present NMR probes are not usable.
Bibliographic Reference: Article: Review of Scientific Instruments, 70 (1999) 6, 2703-2707
Record Number: 199910936 / Last updated on: 1999-07-16
Original language: en
Available languages: en