Mitsubishi PLA-ZM35EA.UK - Noise Criterion Curves

16
5
NOISE CRITERION CURVES
PLA-ZM50EA.UK
NOTCH SPL(dB) LINE
High 32
Medium1 31
Medium2 29
Low 27
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
PLA-ZM60EA.UK
PLA-ZM35EA.UK
Low 26
NOTCH SPL(dB) LINE
High 31
Medium1 29
Medium2 28
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
4000 8000
PLA-ZM71EA.UK
NOTCH SPL(dB) LINE
High 36
Medium1 33
Medium2 30
Low 28
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
OCTAVE .UKND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
PLA-ZM100EA.UK
NOTCH SPL(dB) LINE
High 40
Medium1 37
Medium2 34
Low 31
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