NI 9234 cDAQ IEPE Sound and Vibration Input ModuleProduct Description The National Instruments NI 9234 cDAQ IEPE Sound and Vibration Input Module is designed for high fidelity measurements of sound and vibration signals. Product Details NI 9234 (National Instruments) Official style Product Overview A compact module for capturing sound and vibration signals with high fidelity. Key Features IEPE Input High fidelity Signal Acquisition Compatible with cDAQ Systems Applications Noise and Vibration