Sound Meters

Sound meters

Sound level meters and sound calibrators. Data logging and alarm units are available.

email aqua@ecotao.co.za for prices

http://www.extech.com/categories/sound-meters/

Technical

Noise or sound level meters are commonly used in noise pollution studies for the quantification of different kinds of noise, especially for industrial, environmental and aircraft noise.

https://en.wikipedia.org/wiki/Sound_level_meter