Mitsubishi Heavy Industries FDTC50ZHXV Technical Manual page 145

(c) Ceiling suspended type (FDEN)
Measured based on JIS B 8616
Mike position as pen drawing
Models FDEN40V, 50V
Noise level 39 dB (A) at HIGH
38 dB (A) at MEDIUM
37 dB (A) at LOW
50Hz
70
60
50
40
30
20
63 125 250 500 1000
Mid Octave Band Frequency (Hz)
Models FDEN125V, 140V
Noise level 46 dB (A) at HIGH
44 dB (A) at MEDIUM
43 dB (A) at LOW
50Hz
70
60
50
40
30
20
63 125 250 500 1000
Mid Octave Band Frequency (Hz)
(d) Duct connected-Middle static pressure-type (FDUM)
Measured based on JIS B 8616
Mike position as pen drawing
Models FDUM50V, 60V
Noise level 34 dB (A) at HIGH
31 dB (A) at MEDIUM
28 dB (A) at LOW
50Hz
70
60
50
40
30
20
63 125 250 500 1000
Mid Octave Band Frequency (Hz)
Mike (in front & below unit)
Models FDEN60V, 71V
Noise level 41 dB (A) at HIGH
60HZ
70
70
60
60
50
50
40
40
30
30
20
20
2000 4000 8000
63
Mid Octave Band Frequency (Hz)
60HZ
70
60
50
40
30
20
2000 4000 8000
Model FDUM71V
Noise level 35 dB (A) at HIGH
60HZ
70 70
60 60
50 50
40 40
30 30
20 20
2000 4000 8000 63
Mid Octave Band Frequency (Hz)
Unit
1 m
39 dB (A) at MEDIUM
38 dB (A) at LOW
50Hz 60HZ
125 250 500 1000 2000 4000
Unit
1.5 m
32 dB (A) at MEDIUM
29 dB (A) at LOW
50Hz 60HZ
125 250 500 1000 2000 4000
137
- -
Model FDEN100V
Noise level 44 dB (A) at HIGH
41 dB (A) at MEDIUM
39 dB (A) at LOW
70 70
60
60
50
50
40
40
30
30
20
20
8000
63 125 250 500
Mid Octave Band Frequency (Hz)
Mike (at center & below unit)
Model FDUM100V
Noise level 37 dB (A) at HIGH
70 70
60 60
50 50
40 40
30 30
20 20
8000 63 125 250 500
Mid Octave Band Frequency (Hz)
50Hz 60HZ
70
60
50
40
30
20
1000 2000 4000 8000
35 dB (A) at MEDIUM
32 dB (A) at LOW
50Hz 60HZ
70
60
50
40
30
20
1000 2000 4000 8000