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6
SOUND LEVELS
1)Noise level
Ceiling concealed
Aux.duct
1m
2)NC curves
PEAD-RP35EA
70
60
50
40
30
20
10
Approximate minimum
audible limit on
continuous noise
0
63
125
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEAD-RP50EA
PEAD-RP35EA
70
60
50
40
30
20
10
Approximate minimum
audible limit on
continuous noise
0
63
125
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEAD-RP60EA
70
60
50
40
30
20
10
Approximate minimum
audible limit on
continuous noise
0
63
125
OCTAVE BAND CENTER FREQUENCIES (Hz)
16
2m
Measured point
(External static
pressure 30Pa)
High
Low
NC60
NC50
NC40
NC30
NC20
250
500
1000
2000
4000
8000
(External static
pressure 30Pa)
2
High
Low
NC60
NC50
NC40
NC30
NC20
250
500
1000
2000
4000
8000
(External static
pressure 30Pa)
High
Low
NC60
NC50
NC40
NC30
NC20
250
500
1000
2000
4000
8000
Noise level at anechoic room (Low-High)
Model
30Pa
PEAD-RP35EA
34-38
PEAD-RP50EA
36-40
PEAD-RP35EA
2
PEAD-RP60EA
37-41
PEAD-RP71EA
PEAD-RP100EA
PEAD-RP125EA
PEAD-RP100EA
2
PEAD-RP140EA
Optional motor
PEAD-RP35EA
70
60
50
40
30
20
10
Approximate minimum
audible limit on
continuous noise
0
63
125
250
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEAD-RP50EA
PEAD-RP35EA
70
60
50
40
30
20
10
Approximate minimum
audible limit on
continuous noise
0
63
125
250
OCTAVE BAND CENTER FREQUENCIES (Hz)
PEAD-RP60EA
70
60
50
40
30
20
10
Approximate minimum
audible limit on
continuous noise
0
63
125
250
OCTAVE BAND CENTER FREQUENCIES (Hz)
Unit : dB(A)
External static pressure
70Pa
130Pa
36-43
38-44
39-46
-
37-41
40-45
-
41-46
42-48
-
44-50
46-52
-
46-51
47-53
(External static
pressure 70Pa)
High
Low
NC60
NC50
NC40
NC30
NC20
500
1000
2000
4000
8000
(External static
pressure 70Pa)
2
High
Low
NC60
NC50
NC40
NC30
NC20
500
1000
2000
4000
8000
(External static
pressure 70Pa)
High
Low
NC60
NC50
NC40
NC30
NC20
500
1000
2000
4000
8000
-
-
-
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