Puhz-Rp60Vha4; Puhz-Rp71Vha4; Puhz-Rp100Vka; Puhz-Rp100Yka - Mitsubishi Electric PUHZ-RP35VHA4 Service Manual

5-4. NOISE CRITERION CURVES
PUHZ-RP35/50VHA4
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz

PUHZ-RP100VKA

PUHZ-RP100YKA

90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MICROPHONE
MODE SPL(dB)
LINE
COOLING 44
HEATING 46
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
SPL(dB)
MODE LINE
COOLING 49
HEATING
51
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
1m
1.5m

PUHZ-RP60VHA4

PUHZ-RP71VHA4

90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125

PUHZ-RP125VKA

PUHZ-RP125YKA

90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
11
UNIT
GROUND
SPL(dB)
MODE
COOLING
HEATING
250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
SPL(dB)
MODE
COOLING
HEATING
250 500 1000 2000
BAND CENTER FREQUENCIES, Hz
LINE
47
48
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000
LINE
50
52
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
4000 8000