·Powerful and easy to operate;

·Synchronous measurement and full function data storage;

·With A, C and Z frequency weighting;

·Capable of fast, slow, and pulse time weighting;

·Real time 1:1 octave filter and 1:3 octave filter;

·14 statistical% Ln values;

·120dB measurement range;

·The audio recording function in measurement is used for playback and analysis;

·The Voice Tag voice recording function before measurement is used to record relevant information;

·Equipped with automatic or manual repeat measurement function;

·Latest Digital Technology High Resolution OLED Color Screen and Backlight Keyboard;

·4GB storage capacity, capable of storing 10000 measurement data;

·Compatible with outdoor noise measurement equipment;