Part 3 Noise Level - Fisher FSK-124HF Technical & Service Manual

Part 3 Noise Level

High airflow
Low airflow
FSK-124HF
Audibility limits of
continuous white
sound
Octave band center frequency （ Hz ）
Audibility limits of
continuous white
sound
FOUR-WAY CASSETTE TYPE
FSK-364HF FSK-484HF
Octave band center frequency （ Hz ）
1. 0m
Microphone
FSK-184HF
Audibility limits of
continuous white
sound
- 7 -
FSK-244HF
Octave band center frequency （ Hz ）