8.noise criterion curves 1/2, Specifications – Sanyo KHH2672R / CH2672R User Manual

Page 81

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I-77

SM831148

1. Specifications

1

2

3

4

5

6

1-8 Noise Criterion Curves

4-Way Air Discharge Semi-concealed Type

MODEL

: XH2672R

SOUND LEVEL

: HIGH

38 dB(A),

NC 31

LOW

31 dB(A),

NC 23

CONDITION

: Center,

Under the unit 4.9 ft.

SOURCE

: 208 - 230 V,

1 Phase,

60 Hz

MODEL

: XH4272R

SOUND LEVEL

: HIGH

45 dB(A),

NC 38

LOW

34 dB(A),

NC 27

CONDITION

: Center,

Under the unit 4.9 ft.

SOURCE

: 208 - 230 V,

1 Phase,

60 Hz

MODEL

: XH3672R

SOUND LEVEL

: HIGH

44 dB(A),

NC 37

LOW

33 dB(A),

NC 25

CONDITION

: Center,

Under the unit 4.9 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

2108_X_I

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-40

NC-50

NC-30

2109_X_I

NC-20

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-40

NC-50

NC-30

2110_X_I

NC-20

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