FIELD: physics.
SUBSTANCE: pressure or force measurement device having an elastic member configured to deform under the effect of the measured pressure or force and attached to a bearing base or housing, or made with said base or housing in form of one component, and a capacitance transducer with movable and fixed electrodes. The movable electrode is attached directly or through an intermediate element to the deformable part of the elastic member or that part of the elastic member is used as the movable electrode. The fixed electrode is attached by at least one dielectric holder to the bearing base or housing. The apparatus also has an electronic device. At least one dielectric holder or part of that holder is configured to move relative the bearing base or housing or the fixed electrode in a direction perpendicular to the direction of movement of the movable electrode.
EFFECT: high overload capacity of the device on the measured parameter, high resistance of the device to thermal shocks, high temperature stability of the device and low hysteresis range.
14 cl, 1 dwg
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Authors
Dates
2011-08-27—Published
2010-06-11—Filed