Piezoelectric lightweight force measuring elements, SmartCrash system, with digital data output / 9357B
9357B
The piezoelectric SmartCrash force measuring element with integrated electronics is able to measure three orthogonal components Fx, Fy and Fz of dynamic forces in any direction. It is predestinated for measuring high dynamic impact forces e.g. during crash test procedures for automotive R&D.
주요 특징 / 장점
- Wide measuring range (Fx: 300 kN; Fy, Fz: 100 kN)
- High sensitivity
- Excellent linearity over total measuring range
- Integrated data preprocessing and data storage
- Digital data output
- TEDS functionality (calibration data and sensor identification)
- Preloaded and calibrated
The SmartCrash lightweight element consists of a cover plate and a base body. The piezoelectric quartz sensors (four units) are preloaded by an expansion screw between base plate and top plate and electronics for data preprocessing and digitization are integrated in the base body. Each individual SmartCrash force measuring element measures the three orthogonal forces Fx, Fy and Fz of the forces affecting during the crash. The piezoelectric sensors in the lightweight element generate a proportional charge on the force, which is summed, amplified and processed. A summation print and a charge amplifier with a unit for digitization of analog signals (DiMod module) is incorporated in each individual SmartCrash force measuring element. The charge signals are converted into a voltage signal, digitized by an A/D converter and stored in a central data recorder which simultanously executes the parametrization and control.
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