Fujitsu ARXG22KMLA - Operation Noise (Sound Pressure); Noise Level Curve; Sound Level Check Point

6. Operation noise (sound pressure)
6-1. Noise level curve
¢ Model: ARXG22KMLA
 Cooling
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63
125 250 500 1,000 2,000 4,000
8,000
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
HIGH
QUIET
 Heating
Octave band sound pressure level, dB: (0 dB=0.0002 µbar)
Octave band center frequency, Hz
80
70
60
50
40
30
20
10
0
63
125 250 500 1,000 2,000 4,000
8,000
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
HIGH
QUIET
6-2. Sound level check point
Front view
Microphone
Side view
Product
Air
1.5 m
2 m 1 m
Microphone
Measuring duct
(Set the static pressure
as rating in this area.)
Measuring duct
- 12 -
6-1. Noise level curve
6. Operation noise (sound pressure)
DUCT TYPE ARXG22KMLA DUCT TYPE ARXG22KMLA