CHAPTER 4
●
Characteristics
5. NC Curves
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
62.5 125
250
500 1000 2000 4000 8000
Overall
Octave band frequency near center (Hz)
Octave band sound pressure level (dB)
NC-70
NC-10
NC-60
NC-50
NC-40
NC-30
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
62.5 125
250
500 1000 2000 4000 8000
Overall
Octave band frequency near center (Hz)
Octave band sound pressure level (dB)
NC-70
NC-60
NC-50
NC-40
NC-30
NC-10
Low
Low
High
Extra
high
NC-20
NC
-20
1.5 m below
Measurement point
1.5 m below
Measurement point
High
Extra
high
LGH-50RX type
Background noise
: 25 dB or less (A range)
Background noise
: 25 dB or less (A range)
Measurement site
: Anechoic chamber
Measurement site
: Anechoic chamber
Operation conditions : Lossnay ventilation
Operation conditions : Lossnay ventilation
Power supply
: 208 V 60 Hz
Power supply
: 230 V 60 Hz
51
90
NC-20
NC-70
NC-10
NC-60
NC-50
NC-40
NC-30
NC-70
NC-10
NC-60
NC-50
NC-40
NC-20
NC-30
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
62.5 125
250
500 1000 2000 4000 8000
Overall
Octave band frequency near center (Hz)
Octave band sound pressure level (dB)
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
62.5 125
250
500 1000 2000 4000 8000
Overall
Octave band frequency near center (Hz)
Octave band sound pressure level (dB)
Low
High
Extra
high
Low
High
Extra
high
1.5 m below
Measurement point
1.5 m below
Measurement point
LGH-100RX type
Background noise
: 25 dB or less (A range)
Background noise
: 25 dB or less (A range)
Measurement site
: Anechoic chamber
Measurement site
: Anechoic chamber
Operation conditions : Lossnay ventilation
Operation conditions : Lossnay ventilation
Power supply
: 208 V 60 Hz
Power supply
: 230 V 60 Hz
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
62.5 125
250
500 1000 2000 4000 8000
Overall
Octave band frequency near center (Hz)
Octave band sound pressure level (dB)
NC-70
NC-10
NC-60
NC-50
NC-40
NC-30
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
62.5 125
250
500 1000 2000 4000 8000
Overall
Octave band frequency near center (Hz)
Octave band sound pressure level (dB)
NC-70
NC-10
NC-60
NC-50
NC-40
1.5 m below
Measurement point
1.5 m below
Measurement point
NC-30
NC-20
NC-20
Low
High
Extra
high
Low
High
Extra
high
LGH-200RX type
Background noise
: 25 dB or less (A range)
Background noise
: 25 dB or less (A range)
Measurement site
: Anechoic chamber
Measurement site
: Anechoic chamber
Operation conditions : Lossnay ventilation
Operation conditions : Lossnay ventilation
Power supply
: 208 V 60 Hz
Power supply
: 230 V 60 Hz
Содержание Lossnay PZ-41SLB-E
Страница 4: ...CHAPTER 1 Ventilation for Healthy Living Lossnay Unit ...
Страница 17: ......
Страница 18: ...CHAPTER 2 Lossnay Construction and Principle ...
Страница 24: ...CHAPTER 3 General Technical Considerations ...
Страница 41: ......
Страница 42: ...CHAPTER 4 Characteristics ...
Страница 56: ...53 CHAPTER 4 Characteristics ...
Страница 57: ...54 CHAPTER 4 Characteristics ...
Страница 59: ......
Страница 60: ...CHAPTER 5 System Design Recommendations ...
Страница 68: ...CHAPTER 6 Examples of Lossnay Applications ...
Страница 83: ......
Страница 84: ...CHAPTER 7 Installation Considerations ...
Страница 88: ...CHAPTER 8 Filtering for Freshness ...
Страница 96: ...CHAPTER 9 Service Life and Maintenance ...
Страница 98: ...CHAPTER 10 Ventilation Standards in Each Country ...
Страница 101: ......
Страница 102: ...CHAPTER 11 Lossnay Q and A ...
Страница 108: ...Lossnay Remote Controller ...
Страница 109: ......
Страница 197: ...MEMO ...
Страница 198: ...Y04 002 Jul 2004 MEE ...