Electra DCI 80, Service Manual

Page: 28 / 162

6-1
SOUND LEVEL CHARACTERISTICS
Revision Y05-02 Service Manual - WNG 50_60_80 DCI
6. SOUND LEVEL CHARACTERISTICS
6.1 Sound Pressure Level
Figure 1. Wall Mounted Figure 2. Floor Mounted
Figure 3. Ducted Figure 4. Cassette
6.2 Sound Pressure Level Spectrum (Measured as Figure 1)
WNG 50 WNG 60
BAND CENTER FREQUENCIES, Hz
A PPRO X IM A TE
THRE S HOLD OF
HE A RING FOR
CONTINUOU S
NOI S E
NC-70
NC-60
NC-50
NC-40
NC- 3 0
NC-20 OCT
A
V
E
BAND
SOUND
PRESSURE
LEVEL,
dB
re
0.002
MICRO
BAR
BAND CENTER FREQUENCIES, Hz
A PPRO X IM A TE
THRE S HOLD OF
HE A RING FOR
CONTINUOU S
NOI S E
NC-70
NC-60
NC-50
NC-40
NC- 3 0
NC-20 OCT
A
V
E
BAND
SOUND
PRESSURE
LEVEL,
dB
re
0.002
MICRO
BAR
FAN SPEED LINE
HI
ME
LO