Features:
1. High-precision microphone: High-sensitivity 1/2-inch condenser microphone with high precision, high sensitivity and fast instantaneous response characteristics.
2. Back bracket design: Hidden bracket design, can be placed on the desktop.
3. Upper limit alarm prompt: The upper limit alarm threshold can be set; when the measurement is higher than the set threshold, the buzzer will sound an alarm prompt, and the alarm prompt light will flash. The time can be set to: 6s~120s.
4. Back panel design: There are 2 ventilation holes on the top and bottom, and the response speed is more sensitive.
5. Data storage: The instrument automatically stores data every 2s, and the stored value is the maximum noise value in 2s. The instrument can store data continuously for one year. After one year, the instrument automatically clears the data six months ago, and the user can export the data through the computer software. The record can be