Decibel Meter Digital Sound Level Meter with Backlight LCD Display Portable SPL Meter with A/C Weighted Range 30dB to 130dB Fast/Slow Time Response Noise Detector Audio Measure Device

1、Wide Ranges, High Accurate: The Noise Meter features a high-sensitivity, high-precision condenser microphone, capable of measuring noise levels from 30 to 130 dB, high accuracy of ±1.5 dB, frequency from 31.5Hz to 8.5KHz. 

2、A/C Weighted Measurement: The A weighted simulates the frequency characteristics of low-intensity human ear noise, which is suitable for the detection of ambient noise. The C weighted simulates the frequency properties of high-intensity noises of the human ear, which are suitable for the sound pressure analysis of machine motors and machines. 

3、Fast and Slow Measurement: The decibel meter has the function of converting the fast and slow response rate. The fast response rate uses a time constant of 0.125s/time for general environmental measurement. The slow response rate uses a 1s/time constant, which is used for environmental measurements with relatively large changes in noise levels. 

4、Backlight Display: White LCD backlight display, the reading effect is clearer in dark places. When the battery is low, the LCD display will display a low voltage icon, indicating that the power is low at this point and the battery needs to be replaced. 

5、Widely Application: This audio noise measure device is a great tool for checking, monitoring or controlling and test the sound level of any environments. It is widely applicable for personal, families, business, studies, industrial and etc.