Id.: 17-16-26-3017-03 | 6.2017
45
The source of sound of the device
Level of sound power [dB]
Noise
A pocket watch in the bedroom
20
Very quiet
Air conditioning in an office
40
quiet
Heating heat pump
57
Loud
Normal speech
60
Loud
Gas burner
75
Very loud
Traffic, loud radio
80
Very loud
Plane motor
140
Painful
r = 1 m
r = 10 m
r = 5 m