National Instruments Introduces Small, Rugged Ethernet Device for Sound and Vibration Measurements | Automation.com

National Instruments Introduces Small, Rugged Ethernet Device for Sound and Vibration Measurements

July 262005
National Instruments Introduces Small, Rugged Ethernet Device for Sound and Vibration Measurements
NEWS RELEASE – July 2005 – National Instruments today released a small, rugged dynamic signal analyzer (DSA) built on NI reconfigurable I/O (RIO) hardware. The new cRIO-4408 DSA is a 24-bit, eight-channel data acquisition device for making high-accuracy sound and vibration measurements from integrated electronic piezoelectric (IEPE) sensors. Because of its small size, ruggedness and Ethernet communication, the device is ideal for in-vehicle or embedded machinery monitoring applications in harsh environments.

The cRIO-4408 DSA delivers 102 dB dynamic range and IEPE signal conditioning for accelerometers and microphones, as well as eight input channels that simultaneously acquire at rates from 2 to 33.3 kS/s (up to 50 kS/s for four channels). In addition, it offers communication through standard 10/100 Ethernet and built-in analog and digital antialiasing filters that automatically adjust according to the sampling rate.

Because the cRIO-4408 DSA includes an example National Instruments LabVIEW program that details the required TCP/IP communication, engineers simply plug in the device and assign it an IP address to begin acquiring data. Engineers can use the cRIO-4408 DSA with NI software, including the NI LabVIEW Sound and Vibration Toolkit and LabVIEW Order Analysis Toolkit, to calculate weighted sound level, integrated vibration level, baseband and zoom FFTs, fractional octave analysis, frequency response, order tracking and order spectra.

The National Instruments CompactRIO platform is a low-cost acquisition system designed for applications that require high performance and reliability. The platform combines an open, embedded architecture with small size, extreme ruggedness and DC power. CompactRIO systems weigh less than 3.5 pounds with a -40 to 70 °C temperature range and 50 g shock rating. In addition, CompactRIO is especially useful for in-vehicle applications because of its dual 11-30 VDC supply inputs.

About National Instruments
National Instruments is a technology pioneer and leader in virtual instrumentation – a revolutionary concept that has changed the way engineers and scientists in industry, government and academia approach measurement and automation. Leveraging PCs and commercial technologies, virtual instrumentation increases productivity and lowers costs for test, control and design applications through easy-to-integrate software, such as NI LabVIEW, and modular measurement and control hardware for PXI, PCI, USB and Ethernet. Headquartered in Austin, Texas, NI has more than 3,500 employees and direct operations in nearly 40 countries. In 2004, the company sold products to more than 25,000 companies in 90 countries. For the past six years, FORTUNE magazine has named NI one of the 100 best companies to work for in America.

For more information, Contact National Instruments or visit their web site at www.ni.com.
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