NTi Audio
LESS NOISE. MORE SOUND

XL2 Configurations

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Default Options    

Function
included with XL2 Extended
Acoustic Pack
Spectral
Limits
Cinema
Meter
STIPA Remote
Meas.
Type
Approval
Data Explorer
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





   
  • Comprehensive analysis of logged noise monitoring data
             

               
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





   
                 
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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