Noise Criterion Curves - Mitsubishi Electric PUHZ-P100VHA2 Service Manual

6-3. NOISE CRITERION CURVES

MICROPHONE
1m
1.5m
PUHZ-P125VHA2.UK
PUHZ-P125VHA2 .UK
1
PUHZ-P125VHA3.UK
PUHZ-P125VHA3R1.UK
PUHZ-P125VHA3R2.UK
PUHZ-P125VHA3R3.UK
PUHZ-P125YHA.UK
PUHZ-P125YHAR1.UK
PUHZ-P125YHAR2.UK
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH415G
UNIT
GROUND
SPL(dB)
MODE LINE
COOLING 51
HEATING 55
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
PUHZ-P100VHA2.UK
PUHZ-P100VHA3.UK
PUHZ-P100VHA3R1.UK
PUHZ-P100VHA3R2.UK
PUHZ-P100VHA4.UK
PUHZ-P100YHA.UK
PUHZ-P100YHAR1.UK
PUHZ-P100YHA2.UK
PUHZ-P100YHA2R1.UK
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
PUHZ-P140VHA2.UK
PUHZ-P140VHA2
PUHZ-P140VHA3.UK
PUHZ-P140VHA3R1.UK
PUHZ-P140VHA3R2.UK
PUHZ-P140VHA3R3.UK
PUHZ-P140YHA.UK
PUHZ-P140YHAR1.UK
PUHZ-P140YHAR2.UK
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
13
MODE SPL(dB)
COOLING
HEATING
250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
.UK
1
MODE SPL(dB)
COOLING
HEATING
250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
LINE
50
54
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
LINE
52
56
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000