
4-6. NOISE CRITERION CURVES
5 ft
(1.5 m)
3.3 ft (1 m)
MICROPHONE
UNIT
GROUND
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
μ
bar)
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
MXZ-5C42NAHZ
MXZ-5C42NAHZ-U1
COOLING
MODE
HEATING
50
SPL(dB)
54
LINE
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
μ
bar)
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
MXZ-8C48NA
MXZ-8C48NA-U1
MXZ-8C48NAHZ
MXZ-8C48NAHZ-U1
COOLING
MODE
HEATING
51
SPL(dB)
54
LINE
90
80
70
60
50
40
30
20
10
63
125
250
500
1000
2000
4000
8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
μ
bar)
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
MXZ-4C36NAHZ
MXZ-4C36NAHZ-U1
COOLING
MODE
HEATING
49
SPL(dB)
53
LINE
90
80
70
60
50
40
30
20
10
63
125
250
500
1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
OCT
A
VE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002
μ
bar)
BAND CENTER FREQUENCIES, Hz
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
MXZ-8C60NA-U1
COOLING
MODE
HEATING
58
SPL(dB)
59
LINE
OCH573E
Содержание MXZ-4C36NAHZ
Страница 42: ... MXZ 4C36NAHZ U1 MXZ 5C42NAHZ U1 MXZ 8C48NAHZ U1 OCH573E ...
Страница 43: ... MXZ 8C48NA U1 OCH573E ...
Страница 44: ... MXZ 8C60NA U1 OCH573E ...
Страница 45: ... 6 2 BRANCH BOX PAC MKA50BC PAC MKA30BC 10ths DIGIT OCH573E ...
Страница 163: ... OCH573E ...