¢ Slim duct type
2 m
Measuring duct
Set the static pressure
as rating in this area
¢ Duct type
2 m
Measuring duct
Set the static pressure
as rating in this area
8-4. Sound level check point
Microphone
Side view
AIR
Microphone
- 48 -
1 m
Measuring duct
1 m
Measuring duct
Microphone
Front view
Microphone
8. Noise level curve