21
Sound Data MWM-J_(ii)
Sound Data
Sound Pressure Level
Model
Speed 1/1 Octave Sound Pressure Level (dB, ref 20μPa)
Overall
(dBA)
Noise
Criteria
(RPM) 125 Hz 250 Hz 500 Hz 1k Hz 2k Hz 4k Hz 8k Hz
MWM09J/JR
High 30 32 33 29 25 19 9 34 28
Medium 27 29 31 27 22 20 11 32 25
Low 24 26 28 23 19 19 11 29 22
S. Low 24 25 27 22 18 19 11 28 22
M5WM10J/JR
High 31 35 36 34 30 22 9 38 33
Medium 26 30 31 27 22 13 5 32 25
Low 24 26 27 22 15 7 7 27 21
S. Low 23 24 25 20 13 6 5 25 -
MWM15J/JR
M5WM15J/JR
High 32 35 36 34 31 22 11 38 33
Medium 30 32 33 29 25 16 10 34 28
Low 29 28 28 24 19 11 10 29 22
S. Low 28 26 27 22 17 9 9 27 21
MWM20J/JR
High 21 31 36 38 36 27 15 42 37
Medium 17 28 34 35 32 23 13 39 34
Low 14 26 31 32 29 20 12 36 32
S. Low 12 25 31 31 27 20 13 35 30
MWM25J/JR
High 40 42 42 42 39 32 20 46 43
Medium 37 39 39 39 36 27 19 43 39
Low 34 37 37 36 32 24 18 40 37
S. Low 31 35 35 33 29 22 18 37 33
M5WM20J/JR
S. High 23 32 37 40 38 29 17 44 39
High 21 31 36 38 36 27 15 42 37
Medium 17 28 34 35 32 23 13 39 34
Low 14 26 31 32 29 20 12 36 32
S. Low 12 25 31 31 27 20 13 34 30
M5WM25J/JR
S. High 42 44 44 44 42 34 22 48 44
High 40 42 42 42 39 32 20 46 43
Medium 37 39 39 39 36 27 19 43 39
Low 34 37 37 36 32 24 18 40 37
S. Low 31 35 35 33 29 22 18 37 33
Part Number : 0163103C
Microphone position: 1m in front and 0.8m below the vertical centre line of the unit. (JIS C 9612)
Model Measuring location
MWM09J/JR
MWM15J/JR
M5WM10J/JR
M5WM15J/JR
MWM20J/JR
MWM25J/JR
M5WM20J/JR
M5WM25J/JR
Microphone
1.0m
0.8m
Standard : JIS C 9612