Sound Data - Toshiba MMD-AP 1HF2UL Series Manual

E15-3S2

10. Sound data

Air discharge
MMD-AP0481HF2UL (230 V)
Fan tap
External static pressure 1.06 (in WG) 0.86 (in WG) 0.50 (in WG)
Sound pressure
level (dB(A))
70
60
50
40
0.50
30
20
Audibility limits
of continuous
white level
10
63 125 250
Octave band center frequency (Hz)
6.56 ft
(2 m)
Duct
4.92 ft
(1.5 m)
Microphone
H M L
46 45 42
1.06 (external static pressure (in WG))
NC 50
0.86
NC 40
NC 30
NC 20
500 1000 2000 4000 8000
3.28 ft
(1 m)
Air intake
Duct
MMD-AP0481HF2UL (208 V)
Fan tap H
External static pressure 0.75 (in WG) 0.55 (in WG) 0.16 (in WG)
Sound pressure
44
level (dB(A))
70
60
0.75 (external static pressure (in WG))
50
40
30
0.16
20
Audibility limits
of continuous
white level
10
63 125 250 500 1000 2000 4000 8000
Octave band center frequency (Hz)
26
MMD-AP___1HF2UL
M L
43 36
NC 50
0.55
NC 40
NC 30
NC 20