5/7/2003 - National Instruments announced two new additions to the company's 24-bit sound and vibration measurement hardware family. The NI PXI-4472B device is a new version of the NI 4472 optimized for vibration and low-frequency AC measurements. The new four-channel NI PCI-4474 board is ideal for the sound and vibration engineer who requires fewer channels yet still desires the accuracy of 24-bit technology.
All of the NI 447x devices feature 24-bit analog-to-digital converters (ADCs) that deliver 110 dB of dynamic range across a bandwidth of 45 kHz, which make them among the most accurate products available for sound and vibration applications. The devices feature four or eight simultaneously sampled analog input channels and provide built-in programmable Integrated Electronic Piezoelectric (IEPE) conditioning for accelerometers and microphones.
By using this hardware with powerful software tools such as the LabVIEW Sound and Vibration Toolset and the LabVIEW Order Analysis Toolset, engineers can perform a variety of tests including fractional-octave analysis, order analysis and extraction, spectral analysis, joint time-frequency analysis (JTFA) and sound-level measurements. They can use these tools to create complete test systems for applications such as noise, vibration, and harshness (NVH) testing, machine condition monitoring and audio testing.
About National Instruments
National Instruments (http://ni.com) is a technology pioneer and leader in virtual instrumentation -- a revolutionary concept that has changed the way engineers and scientists approach measurement and automation. Leveraging the PC and its related technologies, virtual instrumentation increases productivity and lowers costs for customers worldwide through easy-to-integrate software, such as the NI LabVIEW graphical development environment, and modular hardware, such as PXI modules for data acquisition, instrument control and machine vision. Headquartered in Austin, Texas, NI has more than 3,000 employees and direct operations in 40 countries. In 2002, the company sold products to more than 25,000 different companies in more than 80 countries around the world. For the past four consecutive years, FORTUNE magazine has named NI one of the 100 best companies to work for in America. Readers may obtain investment information from the company's investor relations department at (512) 683-5090, by sending e-mail to email@example.com or on the Web at http://ni.com/nati.
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