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EAI maintains strict calibration on a wide variety of aerodynamic analysis, sound measuring, vibration testing and meteorological monitoring instrumentation. These portable systems are utilized in prototype testing, field analysis and in situ certification. Portable, real-time frequency analyzer system can accommodate a microphone spread more than 250 feet and datalog complete spectrum/intensities from 0.7 Hz to 22,400 Hz at +/- 0.1dB tolerance every 0.001 seconds. Dedicated computer system supports fast Fourier transforms (FFT) / time correlation for acoustic and vibration measurement and analysis. Forced vibration system provides empirical data on intrinsic impact/vibration isolation capabilities of any building or structure. Aerodynamic tests are accomplished in a computer controlled, open circuit, low-Mach wind tunnel for turbulent or laminar flows. Our commitment to system analysis extends to the maintenance of a portable, Aerodynamic Diagnostics Laboratory. The Aero Lab is an essential element in product and system testing for compatibility with the clients' environmental requirements, CFD computer model calibration/verification and long term system stability and reliability.