NTi Audio
LESS NOISE. MORE SOUND

XL2 Configurations

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Default Options      

Function
included with XL2
Ext.
Acoustic Pack
Spectral
Limits
Cinema
Meter
STIPA Remote
Meas.
Type
Approval
Data Explorer
Sound In-
sulation
Sound Level Meter / Real Time Analyzer




certified

 
  • SPL actual, Leq, Lmin, Lmax, Lpeak





     
  • Frequency weighting A, C, Z





     
  • Time weighting: Fast, Slow





     
  • Time weighting: Impulse
   •              
  • Correction values k1, k2





     
  • Gliding LAeq with flexible setting from t = 5” to 60’





     
  • Capturing of single reading into the internal memory for comparative measurements





     
  • Logging all data or subsets in selectable intervals





     
  • 100 ms Data Logging
               
  • Recording of compressed wav-files and voice notes





     
  • Recording of linear wav-files (24 bit, 48 kHz)





     
  • Digital I/O interface for control external peripherals





     
  • Limit monitoring showing exceeding sound levels





     
  • Real Time Analyzer with 1/1, 1/3 frequency resolution and wide band level





     
  • X-Curve frequency weighting in Real Time Analyzer Spectrum





disabled    
  • Percentile statistics for Lxy (x= A, C or Z, y= F or S): 0.1 - 99.9%





     
  • Event-triggered audio and data recording





     
  • Sound Exposure Level LAE





     
  • Sound Pressure Level LxIeq (with x= A, C, Z)





     
  • TaktMax and values as specified in DIN 45645-1





     
  • True Peak Level in 1/1 and 1/3 octave resolution



disabled    
  • Querying measurement data online via the USB interface





     
  • Enables data import into Data Explorer Software for comprehensive analysis of logged sound level data with audio file playback
               
  • Enables 1/3 octave data import into Sound Insulation Reporter Software
               

                 
FFT Analysis




     
  • Fixed frequency band ranges: 7 Hz - 215 Hz, 58 Hz - 1.72 kHz, 484 Hz - 20.5 kHz with 143 frequency bins shown on display





     
  • Measurement Units: Volt, dBu, dBV and dBSPL
 •                
  • High-resolution Zoom-FFT, up to 0.4 Hz resolution in the range of 5 Hz - 20 kHz



     
  • Capturing of multiple readings into the internal memory




     
  • Comparing measurement results against captures with relative or absolute curve display




     
  • Comprehensive tolerance handling




     
  • Creating tolerance masks based on captures for passed/failed measurements




     
  • Querying measurement data online via the USB interface





     

                 
Reverberation Time RT60




     
  • 1/1 octave bands results from 63 Hz - 8 kHz, based on T20 & T30





     
  • 1/3 octave bands results from 50 Hz - 10 kHz, based on T20 & T30





   
  • Enables 1/3 octave data import into Sound Insulation Reporter Software
               
                   
Delay Time




     
                   
Polarity




     
                   
1/12 Octave Analyzer



     
  • Selectable 1/1, 1/3, 1/6 and 1/12 octave spectral resolution




     
  • Measurement Units: Volt, dBu, dBV and dBSPL
     • •           
  • Capturing of multiple readings into the internal memory




     
  • Comparing measurement results against captures with relative or absolute curve display




     
  • Comprehensive tolerance handling




     
  • Creating tolerance masks based on captures for passed/failed measurements




     
  • Frequency band listening at rear speaker
             
  • Querying measurement data online via the USB interface





     
                   
Noise Curves              
                   
Speech Intelligibility STIPA




     
                   
Audio Analyzer




     
  • Level RMS





unit SPL disabled    
  • Frequency weighting: A, C, Z Highpass 400 Hz, Highpass 19 kHz, Bandpass 22.4 Hz - 22.4 kHz





     
  • Real-Time Analyzer RTA
               
  • THD+N (Total Harmonic Distortion + Noise)





     
  • Frequency





     
  • Querying measurement data online via the USB interface





     
                   
Oscilloscope




     
                   
Cinema Assistant




     
                   
Profiles for Basic User Applications




     
                   
Automated Sensor Detection ASD of connected measurement microphone





     



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