FIELD: electrical engineering.
SUBSTANCE: invention relates to contactless inductive sensors of control of approach of conductive objects. A contactless inductive sensor of control of conductive objects is proposed, containing sequentially connected generator, demodulator, threshold device, switching element, as well as protection circuit of the switching element, and optical indicator of a sensor state in the form of LED, while LED is controlled with the switching element. The optical indicator contains the second LED inducing triggering of the threshold element.
EFFECT: display with an optical indicator of triggering of a threshold device of a sensor and formation with the optical indicator of unequivocal information about a sensor state.
1 cl, 1 dwg
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