Panasonic 26PEK1U6 Tech Data - Service Manual - Page 57

Noise Criterion Curves, MODEL, S-26PU1U6, SOUND LEVEL, NC 31, NC 23, CONDITION, Center

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1-8 Noise Criterion Curves 4-Way Cassette Type MODEL : S-26PU1U6 SOUND LEVEL : HIGH 38 dB(A), NC 31 LOW 31 dB(A), NC 23 CONDITION : Center, Under the unit 4.9 ft. SOURCE 60 : 208 - 230 V, 1 Phase, 60 Hz 1. Specifications OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar) 50 NC-50 40 NC-40 30 NC-30 1 APPROXIMATE THRESHOLD OF 20 HEARING FOR CONTINUOUS NOISE NC-20 10 MODEL 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES, Hz 2108_X_I : S-36PU1U6 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 MODEL : S-42PU1U6 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 60 OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar) OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 bar) 50 50 NC-50 NC-50 40 40 NC-40 NC-40 30 NC-30 APPROXIMATE THRESHOLD OF 20 HEARING FOR CONTINUOUS NOISE NC-20 10 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES, Hz 2109_X_I 30 NC-30 APPROXIMATE THRESHOLD OF 20 HEARING FOR CONTINUOUS NOISE NC-20 10 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES, Hz 2110_X_I 1-51

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1-51
1. Specifications
1-8
Noise Criterion Curves
4-Way Cassette Type
MODEL
: S-26PU1U6
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
: S-42PU1U6
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
: S-36PU1U6
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
1