
20
MVCU-2009 Sound Data
Sound Pressure Level
Model Speed
1/1 Octave A-Weighted Sound Pressure (dBA), ref 20μPa
Overall
A (dBA)
Noise
Criteria
125 Hz 250 Hz 500 Hz 1k Hz 2k Hz 4k Hz 8k Hz
MCM025D
High 48 51 51 50 45 41 33 54 49
Medium 47 50 50 49 44 40 32 53 48
Low 45 47 48 47 41 36 27 50 46
MCM030D
High 45 48 48 47 43 33 24 51 46
Medium 44 47 47 46 42 32 23 50 45
Low 43 45 45 44 39 29 20 48 43
MCM040D
High 51 53 51 50 47 37 30 54 49
Medium 48 51 50 49 46 36 28 53 48
Low 46 50 49 48 44 35 27 52 47
MCM050D
High 51 53 51 50 47 37 30 54 49
Medium 48 51 50 49 46 36 28 53 48
Low 46 50 49 48 44 35 27 52 47
MCM062C
High 34 45 49 52 49 44 37 56 51
Medium 32 43 46 49 46 41 33 53 48
Low 26 36 40 42 38 32 24 46 41
Model Measuring location
MCM025D
Standard : JIS C 9612
MCM030D
MCM040D
MCM050D
MCM062C
Standard : JIS C 8615
Microphone
1m
0.8m
Microphone
1m
1m
06_Sound Data.indd 2006_Sound Data.indd 20 4/28/2009 11:16:48 AM4/28/2009 11:16:48 AM
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