Mitsubishi Electronics MXZ-24UV User Manual download pdf (Page 8)

8

NOISE CRITERIA CURVES6

90

80

70

60

50

40

30

20

10

63 125 250 500 1000 2000 4000 8000

APPROXIMATE

TERESHOLD OF

HEARING FOR

CONTINUOUS

NOISE

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

OCTAVE BAND SOUND PRESSURE LEVEL, 0dB = 0.0002 MICRO BAR

BAND CENTER FREQUENCIES, Hz

Test conditions.

Cooling :DB35: WB24:

Heating :DB 7: WB 6:

COOL

NOTCH

HEAT

46

SPL(dB(A))

47

LINE

MXZ-24UV -

E1

MXZ-24UV -

E2

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