Piezoelectric force measurement chain has 200 configuration options

CMC piezoelectric force measurement chains can be configured in more than 200 combinations. Users can select a sensor that matches the required measuring force, potential initial load, and desired overload range, says HBK.

CMC force measurement chains are suitable for rapid measurements and force-displacement monitoring, as the sensor’s deflection does not affect the displacement measurement. These measurement chains can be used for a range of industrial measuring tasks, such as joining, forming or assembly processes. The choice of amplifier depends exclusively on the force to be measured, which enables a high output signal and good resolution, says HBK.

Each measurement chain comprises a sensor, a charge cable, a charge amplifier, and the associated test protocol that documents the relationship between the force in Newtons and the output signal in Volts. To improve user accuracy, HBK also specifies the calibration results for multiple force ranges.

Charge cables are available in different lengths to allow for easy integration. As with all of HBK’s measurement chains, they meet IP65 protection.

A switching input allows for zero-balancing of the charge amplifiers and a magnifying function can be activated to increase the amplifier’s sensitivity.

Sensors with nominal forces ranging from 5.0kN to 120kN are available. The charge amplifiers have input ranges between 1,000pC and 482,000pC, and nominal measurement ranges vary from 125N to 120kN.

HBK (Hottinger Brüel & Kjær) provides integrated test, measurement, control and simulation solutions. Its portfolio covers the test and measurement product life cycle, which unites the physical world of sensors, testing and measurement with the digital world of simulation, modelling software and analysis. By creating a scalable and open data acquisition hardware, software and simulation ecosystem, product developers can cut time to market.


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