I - 93
SM830082
1
2
3
4
5
1. Specifications
1-10 Noise Criterion Curves
● Wall Mounted Type
MODEL : KH2442
SOUND LEVEL : HIGH 45 dB(A), NC 38
LOW 40 dB(A), NC 33
CONDITION : Distance 3.3 ft., Under the unit 3.3 ft.
SOURCE :
208 - 230 V, 1 Phase, 60 Hz
MODEL : KH3642
SOUND LEVEL : HIGH 48 dB(A), NC 41
LOW 40 dB(A), NC 33
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 µbar)
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
2120_K_I
60
50
40
30
20
10
OCTAVE BAND SOUND PRESSURE LEVEL, dB
(0 dB = 0.0002 µbar)
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
2119_K_I
