NTI Audio XL2

NTi XL2 + M4260 Acoustic Analyser & Sound Level Meter

The NTi XL2 analyzer forms the unique combination of a state-of-the-art Sound Level Meter, a comprehensive Acoustic Analyzer as well as a powerful Audio Analyzer. The wide range of functionalities are tailored for including Flexible user interface, Wav-file recording, Voice notes, Visual limit indication of exceeding sound levels

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Technical Specification

  • Features
  • Flexible user interface
  • Wav-file recording
  • Voice notes
  • Visual limit indication of exceeding sound levels
  • Mini-SD card, 2 GB removable
  • Built-in real time clock
  • Built-in speaker
  • Rechargeable Li-Po battery included
  • Serial programmable I/O Interface
  • Remote control (optional)
  • Automated sensor detection reads electronic data sheet of measurement microphones M4260 and M2210
  • Measurement Functions
  • Sound Level Meter
  • Standards IEC 61672, IEC 60651, IEC 60804, ANSI S1.4, ANSI S1.43
  • Sound levels
  • SPL actual, Lmin, Lmax, Lpeak, Leq, gliding Leq
  • Frequency weighting: A, C, Z (=flat) simultaneously
  • Time weighting: Fast, slow and optional impulse simultaneously
  • Correction values k1, k2
  • Limit monitoring showing exceeding sound levels
  • Digital I/O interface for the control of external peripherals
  • Sound Exposure Level LAE (optional)
  • Percentile statistics LAF: 1%, 5%, 10%, 50%, 90%, 95%, 99% (optional)
  • Calculated levels: LCeq – LAeq, LAIeq – LAeq, LAFT5eq -LAeq (optional)
  • Clock-impulse maximum level “TaktMax” according DIN 45645-1 (optional)
  • Spectrum Analyzer
  • 1/3 octave, 1/1 octave
  • Frequency weighting: A, C, Z (=flat)
  • Time weighting: Fast, slow and optional impulse
  • Percentile statistics for Lxy (x= A, C or Z, y= F or S): 1%, 5%, 10%, 50%, 90%, 95%, 99% (optional)
  • Logging to SD Card
  • All levels simultaneously
  • Short-time levels including spectrum for 1 second or longer
  • Wav-file for listening (compressed)
  • Data logging in 100 ms intervals (optional)
  • Linear wav-files with 24 bit, 48 kHz resolution (optional)
  • Remote measurement acquisition (optional)
  • Acoustic Analyzer
  • FFT Analysis
  • RT60 Reverberation Time
  • Polarity
  • Delay
  • 1/12 Octave Analysis (optional)
  • Pass/Fail Measurements (optional)
  • Noise curves (NC, RNC, RC, PNC, NR) (optional)
  • STIPA Analyzer (optional)
  • Speech Intelligibility Measurement
  • IEC60268-16 (edition 4.0, 3.0 and 2.0), ISO 7240-16, ISO 7240-19, DIN VDE 0828-1, DIN VDE 0833-4
  • Ambient Noise Correction
  • Automated Averaging
  • Display of Modulation Indices
  • Audio Analyzer
  • Level RMS
  • THD+N
  • Frequency
  • Scope
  • Spectrum Analysis (1/3, 1/1 octave)
  • FFT Analysis
  • 1/12 Octave Analysis (optional)
  • Pass/Fail Measurements (optional)

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