Home > National Instruments release NI USB-4432 portable bus-powered dynamic signal acquisition module

National Instruments release NI USB-4432 portable bus-powered dynamic signal acquisition module

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National Instruments  have announced the release of new NI analysis and signal processing tools for noise, vibration and harshness (NVH), machine condition monitoring and audio test applications.

The NI sound and vibration measurement suite version 7.0 extends analysis functionality with NI LabVIEW virtual instruments (VIs) for performing psychoacoustic measurements, making it possible for engineers to quickly set up tests to quantify sound quality.

National Instruments have also announced the NI USB-4432, a portable bus-powered dynamic signal acquisition module for making high-accuracy sound and vibration measurements.

The NI sound and vibration measurement suite 7.0 supports full-featured sound quality analysis, so engineers can ensure quality acoustics in their designs.

The LabVIEW VIs in the sound and vibration measurement suite also contain octave analysis, frequency analysis and order tracking for automotive, military and aerospace or mechanical and structural designs.

Engineers can get their applications started quickly with the configuration-based Sound and Vibration Assistant or with more than 50 ready-to-run LabVIEW example code bases provided in the sound and vibration measurement suite.

According to Nelson Acoustics, sound quality considerations are becoming important in the design of products. The LabVIEW sound quality algorithms are easy to implement and well-laid out and are an addition to the sound and vibration measurement suite.

The sound and vibration measurement suite is suitable for machine monitoring, machine health and machine efficiency applications. Engineers can develop applications faster by using examples for tachometer processing, order spectra and waterfall plots.

The Sound and Vibration Assistant now includes new machine monitoring displays to quickly configure machine diagnostic utilities. The new displays provide diagnostics for motor balance and shaft position in addition to traditional order analysis displays.

The USB-4432 portable bus-powered dynamic signal acquisition module delivers 108 dB of dynamic range to capture high-frequency, low-amplitude vibrations in the presence of low-frequency and high-amplitude signals. The module consists of four analogue input channels for reading from integral electronics (IEPE) sensors and a fifth channel for tachometer input.

The five channels simultaneously acquire at rates up to 102.4kS/s, extending the frequency bandwidth and performing higher-frequency readings. In addition, the USB-4432 portable bus-powered dynamic signal acquisition module features configurable AC/DC coupling to allow for a variety of vibration sensors on each channel, making it suitable for a range of portable applications such as machine condition monitoring and NVH.

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