Справочник Пользователя для Mitsubishi Electronics PKA-A30KA.TH
8
5
NOISE CRITERION CURVES
UNIT
WALL
3.3ft
3.3ft
MICROPHONE
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0dB= 0.0002
μbar
)
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
High
NOTCH
Low
49
SPL(dB)
43
LINE
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB(0dB=0.0002
μ
bar)
BAND CENTER FREQUENCIES, Hz
PKA-A24KA
PKA-A30KA
PKA-A24KAL
PKA-A30KAL
High
Low
45
SPL(dB)
39
LINE
NOTCH
PKA-A36KA.TH
PKA-A36KAL.TH
PKA-A36KAL.TH
PKA-A24KA.TH
PKA-A30KA.TH
PKA-A24KAL.TH
PKA-A30KAL.TH
PKA-A30KA.TH
PKA-A24KAL.TH
PKA-A30KAL.TH