Patent ID: 9658254
Date: 2017-05-23
CPC Classifications: G01D,G01R

Claim:
1. A method of detecting a magnetic coupling in a meter, comprising: a) obtaining in an electricity meter information representative of power consumption as measured within the meter of a plurality of lines of an electrical service; b) obtaining from a magnetic sensor information representative of a magnetic field within an electricity meter at a first time; c) determining in a processing circuit whether a first condition exists wherein the magnetic field exceeds a first threshold and the information representative of the power consumption indicates a load imbalance on the plurality of lines such that the load imbalance exceeds an imbalance threshold, wherein the information representative of the power consumption is representative of the power consumption within a predetermined amount of time from the first time; and d) performing a processing step responsive to a determination that the first condition exists, the first condition indicating that the magnetic field exceeding the first threshold and the load imbalance exceeding the imbalance threshold are caused by a same event.