User manual

264
Specifications
Functions of
Spectral
Limits
Option
(optional)
SLMeter/RTA function •
True peak level in 1/1 and 1/3 octave resolution »
FFT function •
High-resolution Zoom-FFT with selectable fre- »
quency ranges and resolution up to 0.4 Hz
Sound mode: 5 Hz to 20 kHz »
Vibration mode: 1 Hz to 20 kHz »
1/12 octave function •
High resolution RTA function “1/12 Oct + Tol” »
Selectable 1/1, 1/3, 1/6 and 1/12 octave spectral »
resolution
Frequency band listening at rear speaker »
Sound Mode: 11.5 Hz to 21.8 kHz »
Vibration mode: 0.73 Hz to 1.36 kHz »
FFT and 1/12 octave function •
Capturing of multiple readings into the internal »
memory
Comparing measurement results against cap- »
tures with relative or absolute curve display
Comprehensive tolerance handling with toler- »
ance masks based on captures for passed/failed
measurements
Export and import of tolerance and capture files »
Noise Curves •
Noise Rating NR according to ISO/R 1996-1971 »
Noise Criteria NC »
in accordance with ANSI S12.2-2008 and -1995
Room Noise Criteria RNC »
in accordance with ANSI S12.2-2008
Room Criteria RC »
in accordance with ANSI S12.2-1995
Preferred Noise Criteria »
in accordance with ASA 1971
Acoustic Analyzer
FFT Analysis Real-time FFT with actual level, L •
eq
, L
min
, L
max
Level resolution: 0.1 dB •
Frequency Band Ranges: 7 Hz - 215 Hz, •
58 Hz - 1.72 kHz, 484 Hz - 20.5 kHz with 143 fre-
quency bins shown on display
Measurement Units: Volt, dBu, dBV and dBSPL •
Optional: High-resolution Zoom-FFT with select- •
able frequency ranges and resolution up to 0.4 Hz
in the range of 5 Hz to 20 kHz
Optional: Capture and tolerance function with mul-
•
tiple readings for comparative measurements and
passed/failed analysis
Reverbera-
tion
Time RT60
Conforms with ISO 3382 and ASTM E2235
•
1/1 octave bands results from 63 Hz - 8 kHz, •
based on T20 and T30
Optional: 1/3 octave bands results from •
50 Hz - 10 kHz, based on T20 and T30
Range: 10 ms - 30 seconds •
Minimum RT60 (typical) •
< 100 Hz: 0.3 second
»
100 - 200 Hz: 0.2 second
»
> 200 Hz: 0.1 second
»
Measurement based Schroeder-method
•
Test signal: Impulse source or interrupted pink •
noise generated by the MR-PRO, MR2 or the in-
cluded NTi Audio Test CD