Digital Sound Level meter with A weighting, upto 130dB measuring range and analog bar graph, rugged body, Type C charging
Sound level meters are commonly used in noise pollution studies for the quantification of different kinds of noise, especially for industrial, environmental, mining and aircraft noise.
Sound level meter measures the sound level in logarithmic scale. There is a diaphragm in the microphone which responds to changes in air pressure caused by sound waves. This sound pressure is converted into logarithmic scale and displayed.
Metrix+ SL
4001 |
|
Microphone |
6mm condenser microphone |
Measuring
range |
30 ~ 130dB (A) |
Accuracy |
±1.5dB(sound pressure std, 94dB @ 1KHz) |
Frequency
range |
31.5 Hz ~ 8.5 kHz |
Dynamic
range |
3.50dB |
Overload
Indication |
"OVER" and "UNDER" symbols indication |
Frequency
weighting |
A |
Digital
display |
4-digit, resolution 0.1dB, sampling rate 2 times/sec |
Bar
graph display |
Each analog bar represents 1dB, sampling rate
20times/sec |
Power |
600Mah/3.7V lithium battery, Type C charging |
Automatic
power off |
After 15mins of no activity |
Standard
accessories |
Main unit, manual, charging cable; gift box packing |
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