Sound level meter

By DAVID Corp.

The calibration of sound level meters is heavily driven by legislative requirements. As the number of instruments requiring calibration increases, so the need for an efficient calibration system becomes more and more obvious, sound level meter
Stop expensive noise meter.
Hyudaeponan your sound level meter to measure, let the sounds around.

My group of friends who know the sound that
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(156)
50k - 100k
11 years ago
Program was removed from android market