Sanyo KH2442 / CH2442 User Manual
Page 95
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SM830082
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1. Specifications
1-10 Noise Criterion Curves
●
Ceiling Mounted Type
MODEL
: TH2442
SOUND LEVEL
: HIGH
40 dB(A),
NC 34
LOW
36 dB(A),
NC 26
CONDITION
: Distance 3.3 ft.,
Under the unit 3.3 ft.
SOURCE
: 208 - 230 V, 1 Phase, 60 Hz
60
50
40
30
20
10
OCTAVE BAND SOUND PRESSURE LEVEL, dB
(0 dB = 0.0002
µ
bar)
63
125
250
500
1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
BAND CENTER FREQUENCIES, Hz
NC-20
NC-40
NC-50
NC-30
1221_X_I
MODEL
: TH3642
SOUND LEVEL
: HIGH
46 dB(A),
NC 39
LOW
37 dB(A),
NC 31
CONDITION
: Distance 3.3 ft.,
Under the unit 3.3 ft.
SOURCE
: 208 - 230 V, 1 Phase, 60 Hz
MODEL
: TH4242
SOUND LEVEL
: HIGH
47 dB(A),
NC 40
LOW
38 dB(A),
NC 32
CONDITION
: Distance 3.3 ft.,
Under the unit 3.3 ft.
SOURCE
: 208 - 230 V, 1 Phase, 60 Hz
60
50
40
30
20
10
OCTAVE BAND SOUND PRESSURE LEVEL, dB
(0 dB = 0.0002
µ
bar)
63
125
250
500
1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
BAND CENTER FREQUENCIES, Hz
NC-40
NC-50
NC-30
2113_X_I
NC-20
2114_X_I
60
50
40
30
20
10
OCTAVE BAND SOUND PRESSURE LEVEL, dB
(0 dB = 0.0002
µ
bar)
63
125
250
500
1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
BAND CENTER FREQUENCIES, Hz
NC-40
NC-50
NC-30
NC-20