21
OCH710
10
20
30
40
50
60
70
80
90
63
125
250
500
1000
2000
4000
8000
Approximate minimum
audible limit on
continuous noise
PKFY-P40VLM-DA
NC-60
NC-50
NC-40
NC-20
NC-30
NC-70
BAND CENTER FREQUENCIES, Hz
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB
（
0dB=0.0002μbar)
10
20
30
40
50
60
70
80
90
63
125
250
500
1000
2000
4000
8000
Approximate minimum
audible limit on
continuous noise
PKFY-P50VLM-DA
NC-60
NC-50
NC-40
NC-20
NC-30
NC-70
BAND CENTER FREQUENCIES, Hz
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB
（
0dB=0.0002μbar)
Содержание CITY MULTI PKFY-P15VLM-DA
Страница 23: ...23 OCH710 23 φ PKFY P40VLM E ET DA TH TH PKFY P50VLM E ET DA TH TH Unit mm ...
Страница 37: ...37 OCH710 ...
