NTi Audio XL2 Sound Level Meter - Manual (Page 195)

195
Further Information
Remote Measurement Option
NTi Audio #: 600 000 375
The Remote Measurement Option allows querying of the XL2
measurement data online via the USB interface. Thus custom-
ers may program their own measurement application on the
computer, e.g. for sound level monitoring or automated mea-
surement tasks.
The supported XL2 measurement functions are
Sound level meter and spectrum analyzer SLMeter/RTA •
Audio analyzer RMS/THD+N •
Spectral Limits Option
NTi Audio #: 600 000 376
The Spectral Limits Option extends the XL2 function range
with noise curves, trace capturing, relative curve display and
comprehensive tolerance handling for the FFT Analysis and the
new high resolution RTA with spectral resolutions up to 1/12th
octave.
FFT and 1/12 octave function •
Capturing of multiple readings into the internal memory -
Comparing measurement results against captures with -
relative or absolute curve display
Comprehensive tolerance handling with tolerance masks
-
based on captures for passed/failed measurements
1/12 octave function •
High resolution RTA function - 1/12 Oct + Tol
Selectable 1/1, 1/3, 1/6 and 1/12 octave resolution -
Frequency band listening at rear speaker -
FFT function •
High-resolution Zoom-FFT with selectable frequency ranges
and resolution up to 0.4 Hz in the range of 5 Hz to 20 kHz
SLMeter/RTA function
•
True peak level in 1/1 and 1/3 octave resolution
Noise Curves
•
In accordance with ANSI S12.2-2008, -1995 and ISO 1996