National Instruments' PXIe-449x dynamic signal acquisition (DSA) modules which provide AC/DC coupling both for sensor measurements with a microphone or accelerometer and voltage measurements from a tachometer or device under test.
This enables engineers to use a single device for all their sound and vibration acquisition needs.
The NI PXIe-449x modules feature a choice of 8 or 16 channels with 24-bit analogue-to-digital converters (ADCs) per channel and 113 dB dynamic range. The large dynamic range minimises the noise floor, making it easy to detect even the smallest vibration and acoustic signals. The NI PXIe-449x modules also provide software-selectable gains that help engineers configure gain on each channel for the best signal-to-noise ratio possible.
The NI PXIe-449x modules enable synchronization of physical measurements of any type and correlate real-time events. The modules sync with the NI SC Express family of data acquisition modules, which provide signal conditioning and connectivity ideal for temperature, strain and high-voltage acquisition.
The NI PXIe-449x devices are also compatible with the NI Sound and Vibration Measurement Suite, an interactive software for acquiring, analyzing and logging acoustic and vibration measurements. The suite includes the NI Sound and Vibration Assistant and NI LabVIEW analysis VIs. High-level, ready-to-run applications for performing nondestructive tests are included.