Samsung CNH 4DB Series Technical Data Book page 39

7 7 . . S S ound D ound Data ata
Duct S
Sound Pressure level
Discharge
Duct
2m
NC Curve
3)
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
-
Suction
Duct
2m
Microphone
Model
2)
4)