Sound Data; Sound Pressure Level - Acson AWM15J Manual

AWM-J-2010

Sound Data

Sound Pressure Level

Speed
Model
(RPM)
Medium
AWM09J/JR
S. Low
Medium
A5WM10J/JR
S. Low
Medium
AWM15J/JR
A5WM15J/JR
S. Low
Medium
AWM20J/JR
S. Low
Medium
AWM25J/JR
S. Low
Microphone position: 1m in front and 0.8m below the vertical centre line of the unit. (JIS C 9612)
Model
AWM09J/JR
AWM15J/JR
A5WM10J/JR
A5WM15J/JR
AWM20J/JR
AWM25J/JR
1/1 Octave Sound Pressure Level (dB, ref 20μPa)
125 Hz 250 Hz 500 Hz 1k Hz
High 30 32
27 29
Low 24 26
24 25
High 31 35
26 30
Low 24 26
23 24
High 32 35
30 32
Low 29 28
28 26
High 21 31
17 28
Low 14 26
12 25
High 40 42
37 39
Low 34 37
31 35
Standard : JIS C 9612
2k Hz 4k Hz
33 29 25
31 27 22
28 23 19
27 22 18
36 34 30
31 27 22
27 22 15
25 20 13
36 34 31
33 29 25
28 24 19
27 22 17
36 38 36
34 35 32
31 32 29
31 31 27
42 42 39
39 39 36
37 36 32
35 33 29
Measuring location
Microphone
1.0m
Sound Data
Overall
(dBA)
8k Hz
19 9 34
20 11 32
19 11 29
19 11 28
22 9 38
13 5 32
7 7 27
6 5 25
22 11 38
16 10 34
11 10 29
9 9 27
27 15 42
23 13 39
20 12 36
20 13 35
32 20 46
27 19 43
24 18 40
22 18 37
0.8m
Noise
Criteria
28
25
22
22
33
25
21
-
33
28
22
21
37
34
32
30
43
39
37
33
24