1-791-78
1-8. Noise Criterion Curves
Wall Mounted (Type K2)
Low
High
MODEL
SOUND LEVEL
CONDITION
SOURCE
: S-26PK2U6
: High
Low
48 dB(A)
38 dB(A)
: Distance 3.3 ft., Under the unit 3.3 ft.
: 208-230V, 1 Phase, 60Hz
60LQGE
Frequency at center of sound pressure band (Hz)
63 125 250 500 1000 2000 4000 8000Overall
Sound pressure level (dB)
(0dB = 0.0002
bar)
10
20
30
40
50
60
70
80
90
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
Approximate
minimum
audible limit for
continuous noise
1
SM830203-04.indb 79 15/10/16 10:44:44
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