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XL2 + M2230 Microfoon
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XL2 + M2230 Microphone

Sound Meter XL2 + Class 1 (IEC 61672) 16-139dB microphone M2230 (also available with PTB)

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The XL2 Analyzer is the unique combination of a state-of-the-art sound meter, an extensive Acoustic Analyzer, as well as a powerful Audio Analyzer. Three different microphones are available with an electronic record (TEDS). 
In addition, this integrating / advanced sound meter offers the possibility of FFT analysis and 1/1 octave to 1/16 octave band measurements, RT60 reverberation time, Polarity, Delay and THD + N. Optional functions are speech intelligibility STIPA, extensive acoustics functions, cinema calibration, pass / fail analysis and remote measurement. Data and audio is stored on the SD card for transfer to your PC. Free reporting tools are available for download at NTI. The wide range of functionalities is tailor-made for measurement tasks in:

• Sound installation 
• General noise measurements 
• Sound monitoring 
• Events 
• Broadcast 
• Building acoustics 
• Industrial and road traffic  noise 
• PASS / FAIL Quality control

Sound level meter Standards IEC 61672, IEC 60651, IEC 60804, ANSI S1.4, ANSI S1.43 
◦ Sound level ◦ SPL actual, Lmin, Lmax, Lpeak, Leq, conductive Leq 
◦ Frequency weighting: A, C, Z simultaneous 
◦ Time weighting: fast (F), slow (S) and optional pulse (I) at the same time 
◦ Correction values ​​k1, k2 
◦ Limit value 
monitoring during noise measurements ◦ Digital I / O interface for checking external peripherals 
◦ Sound Exposure Level LAE (optional) 
◦ percentile statistics LAF : 1%, 5%, 10%, 50%, 90%, 95%, 99% (optional) 
ekende Calculated levels: LCeq - LAeq, LAIeq - LAeq, LAFT5eq-LAeq (optional) 
◦ Clock pulse maximum level "TaktMax" according to DIN 45645-1 (optional) 

◦ Spectrum Analyzer ◦ 1/3 octave, 1/1 octave
◦ Frequency weighting: A, C, Z  
◦ Time weighting: fast (F), slow (S) and optional pulse (I) 
◦ percentile statistics for Lxy (x = A, C or Z, y = F or S): 1 %, 5%, 10%, 50%, 90%, 95%, 99% (optional) 

◦ Log to SD card  
◦ All levels simultaneously 
◦ Short-term levels, including the 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 acquisition measurement (optional) 

Acoustic Analyzer • FFT analysis 
◦ RT60 reverberation time 
◦ Polarity 
◦ Delay 
◦ Pass / Fail Dimensions (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 
◦ Modulation Indices 

Audio Analyzer • level RMS 
◦ THD + N 
◦ Frequency 
◦ Scope

NTI
42019

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