NTI XL2+M2230 Sound Level Meter & Acoustic Analyzer

NTI XL2+M2230 Type 1 Sound Level Meter & Acoustic Analyzer, includes real time analyser with 1/1 or 1/3 octave-band resolution. Build in FFT Analyzer, Polarity, Delay Time and Audio Analyzer. Frequency 5Hz to 20kHz, sound pressure level up to 137 dB. All data is save to SD card. Standards compliance check to IEC 61672, IEC 60651, IEC 60804, IEC 61260.