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

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