User manual

310
Appendix
Level Linearity of Octaveband-Spectrum
in accordance with IEC 61260.
All values refer to Sref = 42 mV/Pa*.
Nominal
Frequency
Hz
Level Range
LOW MID HIGH
20 24-106 dB 24-125 dB 40-134 dB
31.5 24-106 dB 24-125 dB 40-134 dB
63 24-106 dB 24-125 dB 40-134 dB
125 24-106 dB 24-125 dB 40-134 dB
250 24-106 dB 24-125 dB 40-134 dB
500 24-106 dB 24-125 dB 40-134 dB
1000 24-106 dB 24-125 dB 40-134 dB
2000 24-106 dB 24-125 dB 40-134 dB
4000 24-106 dB 24-125 dB 48-134 dB
8000 24-106 dB 24-125 dB 48-134 dB
16000 24-106 dB 24-125 dB 48-134 dB
The sampling rate of the filters is 48 kHz.
* If the sensitivity Sx deviates from the given data, a correction value of
20*log(Sref/Sx) has to be added.
Example: Sx = 45 mV/Pa -> correction value = 20*log(42/45) = -0.6 dB