CPC G01R 33/0035 (2013.01) [G01R 33/028 (2013.01); H01F 17/04 (2013.01); H01F 27/2823 (2013.01)] | 20 Claims |
1. A magnetic field monitor for monitoring magnetic field fluctuations occurring in an environment, comprising:
a magnetic field sensor configured to generate an electronic signal at a time period representing a magnetic field of the environment, said magnetic field sensor comprising,
a sensor transducer having a sensor bobbin and a primary coil wound thereon and including first and second ends, and a secondary, over-winding coil including first and second ends;
a sensor circuit connected to the first end of the primary coil;
a controller connected to the second end of the primary coil; and
a digitally controlled potentiometer connected to the secondary coil and operatively connected to the controller.
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