¢ Slim duct type
79 in (2 m)
Measuring duct
Set the static pressure
as rating in this area
¢ Wall mounted type
¢ Floor type
8-5. Sound level check point
Microphone
Side view
Microphone
40 in (1 m)
Microphone
Airflow
Airflow
40 in (1 m)
40 in (1 m)
Measuring duct
Microphone
- 68 -
Microphone
Front view
Microphone
8. Noise level curve