User Manual

Table of sound level with the corresponding sound pressure
and the acoustic intensity per unit area
Example
Sound pres
-
sure level
(dBSPL)
Sound
pressure in
N/m
2
= Pa
Acoustic inten
-
sity per unit
area in Watt/m
2
Jet in a
distance of 30m
140 200 100
Threshold of
pain
130 63,2 10
Threshold of
indisposition
120 20 1
Chain power
saw in a
distance of 1m
110 6,3 0,1
Disco: in a
distance of 1m
from the
speaker
100 2 0,01
Diesel engine in
a distance of
10m
90 0,63 0,001
The edge of the
traffic street in
a distance of
5m
80 0,2 0,0001
Vacuum cleaner
in a distance of
1m
70 0,063 0,00001
Normal
speaking in a
distance of 1m
60 0,02 0,000001
Normal living
room in a quiet
corner
50 0,0063 0,0000001
Quiet library
from afar
40 0,002 0,00000001
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