The XL2 Audio- and Acoustic Analyzer features:
Acoustic Analyzer measures Sound Level, 1/3rd octave Real Time Spectrum, FFT, RT60 Reverberation Time, Delay, Polarity, STI-PA Speech Intelligibility (optional) Audio Analyzer function measures Level RMS, THD and Frequency Flexible user interface with personalized application profiles Sound Level Meter meets the international standards for environmental Noise (DIN15905-5 DE / SLV 2007 CH) including the required correction values Voice Notes for logged measurements Mini-SD-Card, removable Built-in Real Time Clock Rechargeable replacable Li-Po Battery