User manual

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Further Information
Spectral Limits Option
NTi Audio #: 600 000 376
The Spectral Limits Option extends the XL2 function range in
both, the sound and vibration mode. It adds noise curves, trace
capturing, relative curve display and comprehensive tolerance
handling for the FFT Analysis and high resolution spectral anal-
ysis up to 1/12th octave. The vibration mode is enabled upon
installing the vibration option.
FFT and 1/12 octave Analyzer•
Capturing of multiple readings into the internal memory
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Comparing measurement results against captures with
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relative or absolute curve display
Comprehensive tolerance handling with tolerance masks
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based on captures for passed/failed measurements
1/12 octave Spectral Analyzer•
High resolution spectral analyzer 1/12 Oct + Tol
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Selectable 1/1, 1/3, 1/6 and 1/12 octave resolution
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Frequency band listening at rear speaker
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Sound Mode: 11.5 Hz to 21.8 kHz
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Vibration mode: 0.73 Hz to 1.36 kHz
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FFT Analyzer•
High-resolution Zoom-FFT with selectable frequency ranges
and resolution up to 0.4 Hz in the range of
Sound mode: 5 Hz to 20 kHz
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Vibration mode: 1 Hz to 20 kHz
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Sound Level Meter•
True peak level in 1/1 and 1/3 octave resolution (disabled with
type approved firmware)
Noise Curves•
In accordance with ANSI S12.2-2008, -1995 and ISO 1996