Mitsubishi Electric MSH-18RV Service Manual page 9

MSH-30RV-
E1
Test conditions,
Cooling : Dry-bulb temperature 27: Wet-bulb temperature 19:
Heating : Dry-bulb temperature 20: Wet-bulb temperature 15.5:
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MUH-30RV-
E1
Test conditions,
Cooling : Dry-bulb temperature 35: Wet-bulb temperature 24:
Heating : Dry-bulb temperature 7: Wet-bulb temperature 6:
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
NOTCH
SPL(dB(A)) LINE
High
47
500 1000 2000 4000 8000
NOTCH SPL(dB(A)) LINE
High
55
500 1000 2000 4000 8000
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
9