Current measuring device

G - Physics – 01 – R

Patent

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Details

G01R 19/00 (2006.01) G01R 15/20 (2006.01)

Patent

CA 2739424

A current sensor (30) is provided for non-invasively measuring electrical current in an electrical conductor (14). The current sensor (30) includes a housing (32) having a Hall effect sensor (12) and circuitry (22) for transmitting a signal indicative of the current flowing through the electrical conductor (14). The current sensor (30) further includes a clamp (52) that allows an operator to easily and repeatedly install and remove the current sensor (30) from electrical conductors (14). The current sensor (30) may also include a mu-metal device (59) for shielding the Hall effect sensor (12) for stray magnetic fields generated by adjacent electrical conductors (14).

Linvention concerne un capteur de courant (30) pour mesurer un courant électrique de manière non invasive dans un conducteur électrique (14). Le capteur de courant (32) comprend un boîtier (32) équipé dun capteur à effet Hall (12) et des circuits pour transmettre un signal indiquant un écoulement de courant dans le conducteur électrique (14). Le capteur de courant (30) comprend également une pince (52) qui permet à un opérateur dinstaller et de retirer facilement et de manière répétée le capteur de courant (30) des conducteurs électriques (14). Le capteur de courant (30) peut également comprendre un dispositif en mu-métal (59) pour protéger le capteur à effet Hall (12) contre les champs magnétiques parasites générés par des conducteurs électriques adjacents.

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