Sound level meter

A sound level meter (or sound meter) is a device used to measure sound pressure levels. It is often used to study and measure different kinds of noise, especially industrial and transport noise. The display indicates sound level in decibel units.

Sound Level Meter Media

An integrating-averaging Cirrus Research's Optimus sound level meter which complies with IEC 61672-1:2002
A, C and Z frequency weightings for sound
Graph of LAeq sound level measurement calculated over 5 minutes
Graph of a continuous LAeq sound level measurement
Graph of an LAFmax sound level measurement calculated every minute
Noise monitoring station at Muir Woods National Monument in California
NIOSH sound level meter application (app)

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