Main features
 
1. Super-large linear range greater than 122dB (A), high and low range, measuring range greater than 112dB (A) per gear.
 
2.2. 6 inch color screen display, resolution 240 × 320, readable in sunlight, rich display content, and automatic brightness adjustment.
 
3. Data storage: 3MB is standard, and 3328 sets of integral measurement results are stored at most.
 
4. Mass storage: Maximum support 32GB SD card (optional).
 
5. Quick setting: Select the applicable standard or measurement method, automatically set the analyzer mode and parameters required by relevant standards, and turn off unnecessary analysis functions, which is more convenient to use and saves electricity.
 
6. Users can get different measuring ranges by configuring microphones with different sensitivities.
 
7. It has the function of automatic switching between battery and external power supply.
 
8. Startup mode: key press, overrun, timing and equal interval.
 
9. Automatic on/off: Automatic on/off at regular intervals.
 
10. GPS positioning system can be embedded inside, and accurate position information and moving speed can be obtained while measuring noise (optional).
 
11. The Bluetooth module can be embedded internally, and the measurement results can be printed wirelessly or the instrument can be operated by mobile phone (optional).
 
12. External micro printer can print measurement results on site (optional).
 
13. External GSM wireless data transmission module, the measurement results can be sent to the designated mobile phone or computer through SMS in time (optional).
 
14. External solar cell module can work in the field for a long time (optional).