Specialized equipment for detailed analysis of acoustic and vibration characteristics of machinery and structures in manufacturing environments. Includes FFT analyzers, vibration analysis systems, acoustic cameras, and modal analysis equipment. Used for abnormality diagnosis of processing machines, balance adjustment of rotating machinery, natural frequency measurement of structures, and noise source identification. Unlike simple vibration meters or sound level meters, these are advanced analysis systems integrating frequency analysis functions, data recording capabilities, and analysis software. Essential equipment for predictive maintenance, quality control, and equipment optimization, widely adopted by automotive, aircraft, and industrial machinery manufacturers.