Mitsubishi Electric MFZ-KA-VA Technical Data Manual page 64

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
SPL(dB) LINE
NOTCH
42
High
40
Medium1
Medium2 38
Low 37
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
unit
PCA-RP60GA
PCA-RP71GA
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63
1m
1m
MICROPHONE
64
NOTCH
High
Medium1
Medium2
Low
125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
UNIT
External static
pressure 125Pa
SPL(dB) LINE
43
41
39
37
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000