Specifications

Measurement range for Z-weighted levels
Frequency  Upper Lower Ref.
31.5 Hz 137 dB  40 dB 114 dB 
1  kHz 137 dB 40 dB 114 dB 
4 kHz 137 dB 40 dBss="style14"> 114 dB 
8  kHz 137 dB 40 dBd class="style14"> 114 dB 
12.5  kHz 137 dB 40 dBd class="style14"> 114 dB