Mitsubishi Electric MFZ-KA-VA Technical Data Book page 107

1m
1m
about 1.4m
MICROPHONE
PCA-RP50GA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PEA-RP71EA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
unit
SPL(dB) LINE
NOTCH
42
High
Medium1 40
38
Medium2
37
Low
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
NOTCH SPL(dB) LINE
High 55
Low
52
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
ceiling
PCA-RP50GA2
PCA-RP60GA
PCA-RP71GA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
1m
1m
MICROPHONE
107
NOTCH SPL(dB)
High 43
Medium1 41
Medium2 39
Low 37
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
UNIT
External static
pressure 125Pa
LINE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000