Haier AB072MRERA - Sound Pressure Level

130
6.8
Sound pressure level
10
20
30
40
50
60
70
6363636363636363 125 250 500 1000 2000 4000 8000
AB052-092MAERA
800040002000100050025012563
70
60
50
40
30
20
10
AB122MAERA
1m
1m
Octave band center frequency (HZ) Octave band center frequency (HZ)
Octave band sound pressure
level dB
Octave band sound pressure
level dB
Limit of
audible
continuous
noise
Limit of
audible
continuous
noise
NC-60
NC-50
NC-40
NC-30
NC-20
NC-60
NC-50
NC-40
NC-30
NC-20
M
L
H
H
M
L
1) Testing illustrate:
2) Testing condition:
a: Unit running in the normal condition
b: Test in the semi-anechoic chamber
c: Noise level varies from the actual factors,
such as room structure, etc.