Mitsubishi Electric Mr.SLIM PKA-A12GA, Руководство по обслуживанию

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11
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
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
UNIT
WALL
3.3ft
3.3ft
MICROPHONE
PKA-A24FA
PKA-A30FA
PKA-A24FAL
PKA-A30FAL
PKA-A24FA
1
PKA-A30FA
1
PKA-A24FAL
1
PKA-A30FAL
1
PKA-A24FA
2
PKA-A30FA
2
PKA-A24FAL
2
PKA-A30FAL
2
PKA-A12GA
PKA-A12GAL
PKA-A18GA
PKA-A18GAL
PKA-A12GA
1
PKA-A12GAL
1
PKA-A18GA
1
PKA-A18GAL
1
PKA-A12GA
2
PKA-A12GAL
2
PKA-A18GA
2
PKA-A18GAL
2
High
Low
45
SPL(dB)
39
LINE NOTCH
High
Low
SPL(dB) LINE NOTCH
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
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
High
NOTCH
Medium1
Medium2
Low
43
SPL(dB)
41
38
36
LINE
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0dB=0.0002
μ
bar)
49
46
PKA-A36FA
PKA-A36FAL
PKA-A36FA
1
PKA-A36FAL
1
PKA-A36FA
2
PKA-A36FAL
2
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
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
6 NOISE CRITERION CURVES