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Sound Data
Sound pressure level test setup complies to GB/T19232-2003
Sound pressure level
Model: FCR-E
ESP
30Pa
Model
Fan
Speed
1/1 Octave Sound pressure level (dBA, ref 20µPa)
Overall
dB(A)
NC
63
125
250
500
1K
2K
4K
8K
200
High
14
24
33
34
34
29
22
13
36.9
33
Medium
13
18
27
28
29
24
16
12
32.0
27
Low
12
16
23
26
26
22
13
13
29.5
24
300
High
17
27
36
37
38
33
25
16
40.9
37
Medium
12
21
30
32
32
27
19
13
34.8
31
Low
12
13
21
23
23
19
14
12
26.8
21
400
High
19
29
37
39
40
35
27
18
42.9
39
Medium
14
24
32
35
35
31
22
14
38.0
34
Low
13
17
24
26
35
22
15
12
29.7
24
500
High
21
32
39
41
35
36
29
20
44.4
40
Medium
14
24
33
35
35
30
23
14
38.0
34
Low
12
17
25
27
35
24
15
12
30.9
26
600
High
22
33
41
42
35
38
30
22
46.4
43
Medium
17
27
35
36
35
33
25
17
40.2
36
Low
13
18
26
29
35
24
17
14
32.3
27
800
High
23
34
42
43
35
39
32
23
46.5
43
Medium
18
28
36
37
35
34
26
17
41.0
36
Low
13
19
28
29
35
25
18
13
32.6
27
1000
High
25
35
44
45
35
41
33
25
49.0
45
Medium
21
32
40
42
35
37
30
21
45.3
41
Low
14
22
30
32
35
28
20
13
35.1
31
1200
High
26
37
46
47
35
43
35
26
50.9
47
Medium
19
30
38
39
35
35
27
19
42.8
39
Low
13
21
29
30
35
26
18
12
33.9
30
1400
High
27
38
47
48
35
43
37
28
51.3
47
Medium
19
30
38
40
35
36
28
19
43.7
39
Low
13
21
29
31
35
26
19
14
34.4
30
1.
Sound pressure level of FCUs are tested in accordance to GB/T19232-2003 under 11.5 dBA background noise.
2. Microphone position: 1m in front and 1m below the unit.