Sm831148-02_38, 8.noise criterion curves 2/2 – Sanyo KHH2672R / CH2672R User Manual

Page 84

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I-80

SM831148

1. Specifications

1-8 Noise Criterion Curves

Wall Mounted Type

MODEL

: KH3672R

SOUND LEVEL

: HIGH

48 dB(A),

NC 41

LOW

40 dB(A),

NC 33

CONDITION

: Distance 3.3 ft., Under the unit 3.3 ft.

SOURCE

: 208 - 230 V,

1 Phase,

60 Hz

60

50

40

30

20

10

OCTAVE BAND SOUND PRESSURE LEVEL, dB

(0 dB = 0.0002

bar)

63

125

250

500

1000 2000 4000 8000

APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE

BAND CENTER FREQUENCIES, Hz

NC-20

NC-40

NC-50

NC-30

2120_K_I

MODEL

: KHH2672R

SOUND LEVEL

: HIGH

45 dB(A),

NC 38

LOW

40 dB(A),

NC 33

CONDITION

: Distance 3.3 ft., Under the unit 3.3 ft.

SOURCE

: 208 - 230 V,

1 Phase,

60 Hz

60

50

40

30

20

10

OCTAVE BAND SOUND PRESSURE LEVEL, dB

(0 dB = 0.0002

bar)

63

125

250

500

1000 2000 4000 8000

APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE

BAND CENTER FREQUENCIES, Hz

NC-20

NC-40

NC-50

NC-30

2119_K_I

SOURCE

: 208 - 230 V,

1 Phase, 60 Hz

CONDITION

: Distance 3.3 ft., Under the unit 3.3 ft.

µ

µ

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