Official Journal of the Japan Wood Research Society
Table 2 CF-5220Z Dual channel FFT (fast Fourier transform) analyzer technical indexes
Index | Parameter |
|---|---|
Operation frequency | 10 mHz–100 kHz |
Microphone frequency | 20 Hz–20 kHz |
Sampling frequency | 2.56 times of measurement range |
Sampling node | 64–4096 (commonly used as 2048) |
Frequency distinguish ability | 25, 50, 100, 200, 400, 800, 1600Â lpi |
Microphone sensibility | −29 dB ± 3 dB (0 dB = 1v/pa) |