NTi Audio Minilyzer ML1 - Manual (Page 51)

51
Technical Data Acoustic Functions
Measurements - Sound Pressure Level
- 1/3 rd Octave Spectrum
Acoustical functions
in accordance with IEC61672, Class 2
• Instantaneous Sound Pressure Level (Lp)
• Maximum/Minimum Sound Pressure Level (Lmax/Lmin)
• Time Response selectable
• Weighting Filters
• Equivalent Continuous Sound Pressure Level (Leq)
• Pause- and Continue Function
Sound Pressure Level
Units dB
SPL
, dB
Leq
, dB
LAeq
, dB
LCeq
Resolution 3 digits
Display Ranges 20 - 140 dB
SPL
in 3 bands 20 - 100 dB
SPL
40 - 120 dB
SPL
60 - 140 dB
SPL
Bandwidth 20 Hz to 20 kHz
Flatness According to class 1
Time response Selectable fast, slow, impuls
Weighting Filters Selectable A, C, linear,
X-Curve -1 (for 1/3 rd octave spectrum only)
Integration Pause- and Continue Function
1/3 rd Octave Spectrum
31 octave band display 20 Hz to 20 kHz
Sensitivity Selectable default value (MiniSPL),
calibration to external source,
editable sensitivity value
Technical Specification