TERMIUM Plus®

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CAPACITIVE SENSOR [1 record]

Record 1 2004-01-13

English

Subject field(s)
  • Applications of Automation
CONT

Capacitive sensor. Capacitive proximity sensors are triggered by a change in the surrounding dielectric. The transducer of a capacitive sensor is configured to act as the plate of a capacitor. The dielectric property of any object present in the sensing field increases the capacitance of the transducer circuit and, in turn, changes the frequency of an oscillator circuit. A detector circuit senses this change in frequency, and signals the output to change state.

French

Domaine(s)
  • Automatisation et applications
DEF

Capteur enregistrant un déplacement lié à une variation de capacité obtenue par variation de la surface de plaque, variation de la distance interplaque ou variation de la fermétivité relative.

Spanish

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