G PHYSICS
G01 MEASURING; TESTING
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
15/00 Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
G01R15/14 Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
G01R15/20 using galvano-magnetic devices, e.g. Hall-effect devices; , i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
G01R15/205 using magneto-resistance devices, e.g. field plates