109 / 416
WHISPERJET SERIES
© FANTECH
2016
B
DUCT MOUNTED FANS
B-49
Model
Number
WJ-..KIT
Inlet /
Outlet
125 250 500 1k 2k 4k 8k
Fan Only,
dB(A)
@ 3m
Outlet
HS
42
52 43 34 11 21 20
41
Inlet
HS
40
47 41 32 15 23 24
40
150SIL
Outlet
LS
38
43 35 25 2
10 9
33
Inlet
LS
38
40 35 25 5
14 12
33
Outlet
HS
56
49 44 22 35 39 35
44
Inlet
HS
49
46 41 21 35 38 34
42
200SIL
Outlet
LS
56
54 39 18 31 34 30
40
Inlet
LS
46
48 38 21 31 33 30
40
Outlet
HS
59
65 60 44 47 41 39
53
Inlet
HS
56
66 51 34 44 45 43
47
250SIL
Outlet
LS
57
61 56 39 41 36 33
49
Inlet
LS
53
61 47 29 39 40 38
42
Outlet
HS
67
67 52 41 48 41 43
55
315SIL
Inlet
HS
61
64 47 33 47 50 49
59
In-duct Sound Power Levels - with Kit
L w dB re 1pW
SOUND POWER LEVELS
HighSpeed /
Low Speed
25
21
16
15
27
24
27
22
40
38
36
33
39
37
Kit Avg
dB(A)
@ 3m
63
54
44
44
44
65
48
60
47
55
57
54
60
60
56
Outlet
65
61 47 34 41 34 35
48
Inlet
59
60 41 26 39 43 41
44
34
32
56
56
Outlet
HS
42
54 42 36 25 35 28
46
Inlet
HS
42
54 42 36 25 35 28
46
150RIL
Outlet
LS
36
48 36 30 19 29 22
40
Inlet
LS
36
48 36 30 19 29 22
40
Outlet
58
61 49 31 46 50 40
52
Inlet
58
61 49 31 46 50 40
52
26
26
20
20
36
36
51
51
45
45
60
60
200RIL
Outlet
53
56 44 26 41 45 35
47
Inlet
53
56 44 26 41 45 35
47
31
31
55
55
LS
LS
HS
HS
LS
LS