Acoustic Analyzer

Larson Davis Inc the 824 Handheld Realtime Acoustic Analyzer include full memory (> 10000 intervals), data logging of interval Ln, time history, max and min spectra, and time history noise event markers (name them yourself or pick from airplane, train, etc).

This digital analyzer provides up to 400 lines of fast Fourier transform (FFT) as well as fractional octave analysis according to ANSI / IEC standards. Triggered measurements of narrowband acoustic or vibration phenomena are possible with a variety of measurement windows and basebands. Application fields include automotive noise and vibration, rotating machinery, product quality and resonance surveys.

A Tonality measurement option enables the system to provide a measure of the tonality of noise. It implements German standard DIN 45681. In an environmental noise application, a noise penalty can be added to noises with strong tonal components. Tonality can be useful in fields such as product quality, HVAC or heavy equipment noise.

Other features of the 824-TAL include:
• DIN 45680 – Appraisal of low frequencies
• Calculation of L_Ceq – L_Aeq
• Noise event markers

<%=company%>, 1681 West 820 North, Provo, UT 84601; phone: 801-375-0177; fax 801-375-0182