Encapsulated weighing cell with eccentric load error adjustment

A gravimetric measuring instrument has a weighing cell and a flexible, tubular-shaped encapsulation. The weighing cell has a parallel-guiding mechanism and at least one measurement transducer. The ends of the encapsulation are attached, respectively, to the stationary parallelogram leg and the movab...

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Bibliographic Details
Main Authors HAEFELI ROMAN, EMERY JEANRISTOPHE, BURKHARD HANS-RUDOLF
Format Patent
LanguageEnglish
Published 10.04.2012
Subjects
MEASURING
PHYSICS
TESTING
WEIGHING
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Summary:A gravimetric measuring instrument has a weighing cell and a flexible, tubular-shaped encapsulation. The weighing cell has a parallel-guiding mechanism and at least one measurement transducer. The ends of the encapsulation are attached, respectively, to the stationary parallelogram leg and the movable parallelogram leg, so that at least the parallel-guiding mechanism and the measurement transducer are enclosed by the encapsulation, protecting them from dirt and humidity. In some aspects, the parallel-guiding mechanism has an adjustment region formed at one of the parallelogram legs which allows adjustment of the distance between at least one flexure pivot of the upper parallel-guiding member and a flexure pivot of the lower parallel-guiding member. This adjustment region is mechanically connected to at least one adjustment-setting area, which is arranged outside the encapsulation and allows changes to be made to the adjustment region.
Bibliography:Application Number: US20090427855