A sound level meter is used for acoustic measurements. It is commonly a hand-held instrument with a microphone. The best type of microphone for sound level. 40-130dB Meter featuring large LCD display with analog bargraph
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A sound level meter is used for acoustic measurements. It is commonly a hand-held instrument with a microphone. The best type of microphone for sound level. 40-130dB Meter featuring large LCD display with analog bargraph