FIELD: measuring equipment.
SUBSTANCE: impedance sensor of resonance type represents a multi-coil inductor with an open core or without steel core that contains, at least, two coils, one of which is the field coil with the ability to connect with, at least, one source of alternating current with frequency of the swing and the other coil is a measuring coil with connectivity with, at least, one data-processing system. After establishing the electrical connection to the current source, the excitation coil transfers energy to the measuring coil, which generates a probing electromagnetic field. Inductive-resistive-capacitive (IRC) parameters of the measuring coil can provide resonance for measuring impedance research facility at a given frequency.
EFFECT: increasing the system sensitivity.
33 cl, 24 dwg
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