Sanyo KH2442 / CH2442 Service Manual page 95

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
APPROXIMATE
THRESHOLD OF
20
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, 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
APPROXIMATE
THRESHOLD OF
20
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
1221_X_I
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
2114_X_I
MODEL : TH3642
SOUND LEVEL : HIGH 46 dB(A), NC 39
LOW
CONDITION : Distance 3.3 ft., Under the unit 3.3 ft.
SOURCE : 208 - 230 V, 1 Phase, 60 Hz
60
50
40
30
APPROXIMATE
THRESHOLD OF
20
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
I - 91
1. Specifications
37 dB(A), NC 31
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
2113_X_I
SM830082
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