Digital Sound Level Meter SL 4005
Digital Sound Level meter with A, C & F weightings, upto 130dB measuring range and built in calibration mode.
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.
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