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Shock wave measurements: Precision in extreme events


Learn what shock waves are, why their precise measurement is so important in research and industry, and why the LTT24 is the ideal solution for reliable high-speed measurements

What are shock waves and why do they need to be measured?

Shock waves are sudden, short-lived pressure changes that propagate through a medium at supersonic speeds. They are generated, for example, by explosions, collisions, rapid switching operations, or projectile impacts. In industry, research, and development, it is essential to accurately measure these extremely rapid events—whether for improving materials, ensuring product safety, or validating simulation models.

Shock wave analysis provides valuable information about the stresses acting on structures and materials. In fields such as automotive, aerospace, defense, and medical technology, precise shock wave measurements help ensure the reliability and lifespan of components under extreme conditions.

Measuring device for shock wave measurements: LTT24

Requirements for effective shock wave measurements

Shock waves, due to their high speed and short duration, are particularly challenging to measure. To obtain valid and usable data, measurement systems must meet the following requirements:

  • Very high sampling rates: Sampling rates in the range of several MHz are necessary to accurately resolve the rapid rise times of the shock wave.
  • Wide bandwidth: The systems must be able to capture high frequency components of the shock wave, often up to 1 MHz.
  • Low noise and high accuracy: A high signal-to-noise ratio is crucial, especially for small signal changes or in high-precision applications.
  • Synchronized multi-channel measurement: Many applications require the simultaneous acquisition of data from multiple measurement points – with minimal deviations in timing.
  • Robustness and real-time capability: The systems must operate reliably even under harsh conditions and ideally deliver results during the measurement process.

The LTT24 from Labortechnik Tasler GmbH: The ideal solution for shock wave measurements

The LTT24 meets these high demands and is therefore a preferred data acquisition system for challenging shock wave applications. Why the LTT24 is so compelling:

  • Highest sampling rates: With sampling rates of up to 4 MHz per channel, the LTT24 captures even ultra-fast signal waveforms precisely and completely.
  • Large bandwidth & precision: The combination of 24-bit resolution, high signal bandwidth, and extremely low distortion enables the detailed acquisition of even the most subtle signal changes.
  • Reliable data acquisition without data loss: The system is designed so that no information is lost, even during long measurement durations and high data rates – a critical factor for extremely fast phenomena like shock waves.
  • Modularity & versatility: The LTT24 is flexibly configurable and supports various input types, including voltage, current, ICP, strain gauges, and more – ideal for connecting a wide range of sensors.
  • Real-time data transmission: Direct connection via USB3 or Ethernet and live data display enable analysis during the experiment.
  • Industrial suitability: The LTT24's robust design makes it suitable for harsh environments – from test benches to near-explosive testing setups.

Conclusion

Shock wave measurements place the highest demands on measurement technology. Only systems with extremely high sampling rates, precision, and data security deliver reliable results. The LTT24 from Labortechnik Tasler GmbH offers a powerful, field-proven solution for this – and has established itself as a reliable tool in numerous industrial and scientific applications.

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