77.. SSound D
ound Data
ata
Sound Pressure level
Unit: dB(A)
2)
CNH36HDB (AC036BNHDCH/AA)
•
NC Curve
1) CNH30HDB (AC030BNHDCH/AA)
3)
CNH42HDB (AC042BNHDCH/AA)
4)
CNH48HDB (AC048BNHDCH/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
CNH30HDB (AC030BNHDCH/AA)
41
37
CNH36HDB (AC036BNHDCH/AA)
CNH42HDB (AC042BNHDCH/AA)
Low
33
CNH48HDB (AC048BNHDCH/AA)
Duct S
2m
2m
Suction
Discharge
Duct
Duct
Microphone
43
39
44
41
35
38
45
43
41