Mitsubishi PLA-ZM35EA.UK - Page 17

17
PLA-ZM140EA.UK
NOTCH SPL(dB) LINE
High 44
Medium1 42
Medium2 39
Low 36
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
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
BAND CENTER FREQUENCIES, Hz
MAIN UNIT
1.5 m
MICROPHONE
CEILING
PLA-ZM125EA.UK
NOTCH SPL(dB) LINE
High 41
Medium1 39
Medium2 36
Low 33
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
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
BAND CENTER FREQUENCIES, Hz
OCH650