Compact Data Acquisition System and Accessories for Impact Hammer Testing

The National Instruments CompactDAQ system is a modular data acquisition platform specifically configured for experimental modal analysis and impact testing applications. This integrated system features the cDAQ-9185 chassis providing Ethernet connectivity and multi-module expansion capability, NI-9234 sound and vibration input module with IEPE conditioning for accelerometer signals, and NI-9260 analog output module for excitation control. The platform enables synchronized measurement of force input and acceleration response during impact testing, facilitating frequency response function determination and modal parameter extraction. It incorporates 24-bit resolution, anti-aliasing filters, and appropriate sampling rates for dynamic measurements. The system provides seamless integration with analysis software, offering comprehensive data acquisition capabilities for structural dynamics testing. This professional-grade measurement platform supports research in vibration analysis, structural health monitoring, and modal testing applications requiring high-quality synchronized multi-channel data acquisition.