Technibel CAFP 124 R Technical Data & Service Manual page 67

1-8. Noise Criterion Curves
Ceiling-Mounted Type
MODE L :SPAFP255R
S T R ONG
S OUND LE V E L :
HIG H
LOW
1 m from front of outlet at height of 1.5 m
C ONDIT ION :
60
50
40
30
Approximate
minimum audible
20
limit for
continuous nois e
10
Overall
63 125 250
F requency at center of s ound pres s ure band (Hz)
MODE L :SPAFP485R
S OUND LE V E L : S T R ONG 44 dB (A)
HIG H
LOW
C ONDIT ION :
1 m from front of outlet at height of 1.5 m
60
50
40
30
Approximate
20
minimum audible
limit for
continuous nois e
10
Overall 63 125 250
F requency at center of s ound pres s ure band (Hz)
39 dB (A)
37 dB (A)
33 dB (A)
NC -50
NC -40
NC -30
NC -20
500 1000 2000 4000 8000
41 dB (A)
37 dB (A)
NC -50
NC -40
NC -30
NC -20
500 1000 2000 4000 8000
MODE L
S OUND LE V E L :
C ONDIT ION
60
50
40
30
Approximate
20
minimum audible
limit for
continuous nois e
10
63 125 250
Overall
F requency at center of s ound pres s ure band (Hz)
1 - 65
B oth 50Hz and 60Hz
S trong
Weak
:SPAFP365R
S T R ONG 42 dB (A)
HIG H 40 dB (A)
LOW 35 dB (A)
1 m from front of outlet at height of 1.5 m
:
NC -50
NC -40
NC -30
NC -20
500 1000 2000 4000 8000
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