Mitsubishi Electric Mr.Slim PLH-P3AAH.UK Technical & Service Manual page 42

6. NOISE CRITERION CURVES
PLH-P3AAH.UK
PLH-P3AAH .UK
1
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
PLH-P5AAH.UK
PLH-P5AAH .UK
1
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250 500
BAND CENTER FREQUENCIES, Hz
CEILING
MICROPHONE
All manuals and user guides at all-guides.com
NOTCH SPL(dB) LINE PLH-P4AAH.UK
Hi 34
PLH-P4AAH
Mi1 32
Mi2 30
Lo 28
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
20
NC-20
10
1000 2000 4000 8000
NOTCH SPL(dB) LINE
PLH-P6AAH.UK
Hi 43
PLH-P6AAH
Mi1 41
Mi2 38
Lo 35
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
20
NC-20
10
1000 2000 4000 8000
UNIT
1.5m
NOTCH SPL(dB)
Hi
.UK
1
Mi1
Mi2
Lo
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
63 125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
NOTCH SPL(dB)
Hi
.UK
1
Mi1
Mi2
Lo
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
63 125 250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
Ambient temperature 27:
Test conditions are based on JIS Z8731
42
LINE
41
39
36
33
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
LINE
45
43
40
37
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000