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  • NT-XL2

    NTi Audio XL2 Sound Level Meter and Acoustic Analyzer


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    The NTi XL2 hand-heldAnalyzer is a powerful Sound Level Meter, a professional Acoustic Analyzer, a precision Audio Analyzer and a comprehensive Vibration Meter in one instrument. Easy operation and countless applications distinguish this quality Swiss product. The XL2 is currently the world’s most versatile hand-held acoustic and audio analyser and features Sound Level Metering, Real-TIme Analyzer, FFT Analysis, RT60 Measurement, Polarity & Delay Time, RMS ,THD+N, etc


      • Product Features:

        Besides being an advanced, integrating Sound Level Meter, the XL2 measures RTA and FFT high-resolution spectra, RT60 Reverberation Time, Polarity, Delay and THD+N. Optional features are speech intelligibility STIPA, extended acoustics functions, noise curves, cinema calibration, pass/fail analysis and remote measurement acquisition. The Type Approval Option upgrades the instrument to the XL2-TA, a type approved sound level meter.

        The Xl2 analyzer is perfectly tailored for installing, commissioning and troubleshooting sound and audio systems in cinemas, studios, broadcast and fixed installations. Whether for large commercial spaces, multi-purpose rooms, teleconference rooms, airports or stadiums, the Xl2 provides the measurement capability.the optional stiPa measurement quantifies the speech intelligibility of public address and voice evacuation systems.


        IEC 61672, IEC 60651, IEC 60804, IEC 61260
        China: GB/T 3785:2010, GB/T 3241, GB 3096-2008, GB 50526, GB-T_4959-1995
        Germany: DIN 15905-5, DIN 45645-2, optional: DIN 45645-1
        Japan: JIS C1509-1:2005, JIS C 1513 class 1, JIS C 1514 class 0
        Switzerland: SLV
        UK: BS6698, BS5969
        US: ANSI S1.4:2014, ANSI S1.43, ANSI S1.11:2014
        SMPTE ST 202:2010, ISO 2969:2015

        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
        Indicators show when sound level limits are exceeded
        Digital I/O interface for the control of external peripherals
        Sound Exposure Level LAE (optional)
        Percentile statistics for Lxy (x= A, C or Z, y= F, S or EQ1"): 1 - 99% (optional)
        Calculated levels: LCeq - LAeq, LAIeq - LAeq, LAFT5eq -LAeq (optional)
        Clock-impulse maximum level "TaktMax" in accordance with DIN 45645-1 (optional)

        Logging and Reporting

        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)

      • Technical Specifications:

        Detailed specifications can be found here