77.. SSound D
ound Data
ata
Sound Pressure level
Unit: dB(A)
2)
CNH12
L
DB(AC012BN
L
DCH/AA)
•
NC Curve
1)
CNH09
L
DB(AC009BN
L
DCH/AA)
3)
CNH18
L
DB(AC018BN
L
DCH/AA)
NOTE
•
Specifications may be subject to change without prior notice.
- Sound pressure level is obtained in an anechoic room.
- Sound pressure level is a relative value, depending on the distance and acoustic environment.
- Sound pressure level may differ depending on operation condition.
- dBA = A weighted sound pressure level
-
Reference acoustic pressure 0 dB = 20μPa
Model
High
Mid
CNH09
L
DB(AC009BN
L
DCH/AA)
33
30
CNH12
L
DB(AC012BN
L
DCH/AA)
34
31
CNH18
L
DB(AC018BN
L
DCH/AA)
35
32
Low
26
27
28
Slim Duct
Discharge
Duct
Duct
2m
2m
1.5m
Suction
Microphone