Inductive conductivity sensor

Details Inductive conductivity sensor Inductive conductivity sensor

2011-06-21

2011-06-21

Mai, Anh T (Department: 2832)

Inductor devices

Coils of special configuration

Toroidal

C324S445000

Reexamination Certificate

active

07965167

ABSTRACT:
A conductivity sensor for measuring conductivity of a medium surrounding the conductivity sensor includes a first toroidal coil bounding a medium-receiving passageway and serving for inducing an electrical current in the medium, and a second toroidal coil also bounding the passageway and serving for registering a magnetic field produced by the electrical current. At least one of the toroidal coils has a plurality of first conductor segments, which extend in a plane of a multi-ply circuit board, a plurality of second conductor segments, which extend in a second plane of the circuit board, and a plurality of through-contacts, which connect the first conductor segments with the second conductor segments, wherein the first conductor segments, the second conductor segments and the through-contacts form, together, the windings of a toroidal coil.

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