Check the listing for details. National Instruments NI 9230 cDAQ Sound and Vibration Input Module. Condition: Used. Listed at 895.00 USD. National Instruments 9230 sound and vibration input module for cDAQ / cRIO systems, screw terminal version. Tested, fully functional, and in excellent physical condition. 3-Channel, 12.8 kS/s/channel, ±30 V, C Series Sound and Vibration Input Module—The NI‑9230 can measure signals from integrated electronic piezoelectric (IEPE) and non‑IEPE sensors such as accelerometers, tachometers, and proximity probes. The NI‑9230 is also compatible with smart TEDS sensors. The NI‑9230 incorporates software-selectable AC/DC coupling, IEPE open/short detection, and IEPE signal conditioning. The input channels simultaneously measure signals. Each channel also has built-in anti-aliasing filters that automatically adjust to your sample rate. For additional information and resources, use the model name to search the manufacturer's website.