1 - 42
PL
FY
-V
BM
MEE15K052
5. SOUND LEVELS
5. SOUND LEVELS
5-1. Sound levels
5-2. NC curves
* Measured in anechoic room.
PLFY-WP-VBM-E
1.5m
Measurement location
PLFY-WP32VBM-E
PLFY-WP40VBM-E
PLFY-WP50VBM-E
27-29-30-31
27-29-30-31
27-30-32-34
Sound level dB (A)
Sound level at anechoic room: Low-
Mid2-Mid1-High
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
NC-60
NC-50
Octave band pressure level (dB) 0dB=20μPa
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
High
Middle
50Hz
Middle2
50Hz
Low
50Hz
50Hz
63
125
250
500
1k
2k
4k
8k
Octave band center frequencies (Hz)
PLFY-WP50VBM-E
External Static Pressure: 0Pa
Power Source: 220, 230, 240V, 50/60Hz
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
55.0
60.0
65.0
70.0
NC-60
NC-50
Octave band pressure level (dB) 0dB=20μPa
Approximate minimum
audible limit on
continuous noise
NC-40
NC-30
NC-20
High
Middle
50Hz
Middle2
50Hz
Low
50Hz
50Hz
63
125
250
500
1k
2k
4k
8k
Octave band center frequencies (Hz)
PLFY-WP32, 40VBM-E
External Static Pressure: 0Pa
Power Source: 220, 230, 240V, 50/60Hz
0000003899.BOOK 42 ページ 2016年1月13日 水曜日 午前10時34分
Summary of Contents for PLFY-WP VBM-E
Page 3: ...MEE15K052 ...
Page 5: ...1 2 MEE15K052 ...
Page 39: ...1 36 MEE15K052 ...
Page 63: ...1 60 MEE15K052 ...
Page 79: ...1 76 MEE15K052 ...
Page 89: ...1 86 MEE15K052 ...
Page 91: ...2 2 MEE15K052 ...
Page 125: ...2 36 MEE15K052 ...
Page 155: ...3 2 MEE15K052 ...
Page 169: ...3 16 MEE15K052 ...
Page 183: ...3 30 MEE15K052 ...