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Capacitance-Type Sensor |
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Capacitance-Type Sensor
a measuring converter of nonelectrical values (such as the level of a liquid, a mechanical force, pressure, or humidity) into values of electrical capacitance. A capacitance-type sensor may be designed as an electrical capacitor with either plane-parallel or cylindrical geometry. A distinction is made among capacitance-type sensors whose operation is based on a change in the gap between the plates or in the overlap of the plates, on deformation of the dielectric, and on a change in the location, composition, or permeability of the dielectric. Capacitance-type sensors are most frequently used in measuring variable pressures or levels and in accurate measurements of mechanical displacements. REFERENCETurichin, A. M. Elektricheskie izmereniia neelektricheskikh velichin, 4th ed. Moscow-Leningrad, 1966.Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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