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Article | REF: R401 V1

Sensors - Design principles

Authors: Yves PARMANTIER, Frédéric KRATZ

Publication date: September 10, 2009, Review date: March 15, 2022

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9. Humidity sensors

The different principles are :

  • strain gage probes (figure 34 ) where the sensing element acts in tension;

  • impedance variation probes (figure 35 );

  • dielectric hygrometers (figure 36 ): measure change in permittivity;

  • dew point hygrometers (figure 37 );

  • psychrometers (figure 38 ). They are made up of...

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