Niveles típicos de sonido con ponderación A
Copyright © 2011 Extech Instruments Corporation (a FLIR company)
Reservados todos los derechos, incluyendo el derecho de reproducción total o parcial en
50HP Siren (100')
Jet takeoff (200')
Riveting machine
Subway (20')
Pneumatic drill (50')
Vacuum cleaner (10')
Large store
Small office
Night residential area
Whisper (5'0)
Threshold of hearing
dBA
140
130
120
110
Chain saw
100
90
Boiler room
80
Freight train (100')
70
Speech (1')
60
Large Office
50
Residence
40
30
Sound studio
20
10
0
cualquier medio.
7
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