6-1
SOUND LEVEL CHARACTERISTICS
SM DEL60Hz 1-E.0 GB
6.
SOUND LEVEL CHARACTERISTICS
6.1
Sound Pressure Level
Figure 1. Wall Mounted
6.2
Sound Pressure Level Spectrum
(Measured as Figure 1)
Delta 25 60Hz DCI
Delta 35 60Hz DCI
BAND CENTER FREQUENCIES, Hz
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
-70NC
-60NC
-50NC
-40NC
-30NC
-20NC
BAND CENTER FREQUENCIES, Hz
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
-70NC
-60NC
-50NC
-40NC
-30NC
-20NC
FAN SPEED
LINE
HI
ME
LO
BAND CENTER FREQUENCIES, Hz
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
-70NC
-60NC
-50NC
-40NC
-30NC
-20NC
Delta 50 60Hz DCI