Specifications

Noise Level
Model Speed
1/1 Octave Sound pressure level (dB, ref 20µPa)
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
Overall
A (dBA)
Noise
Criteria
High
45 46 47 46 41 38 29 50 45
Medium
42 43 45 42 38 34 24 47 41
MCM020D/DR
Low
36 37 39 35 31 24 15 40 34
High
48 51 51 50 45 41 33 54 49
Medium
47 50 50 49 44 40 32 53 48
MCM025D/DR
Low
45 47 48 47 41 36 27 50 46
High
45 48 48 47 43 33 24 51 46
Medium
44 47 47 46 42 32 23 50 45
MCM030D/DR
Low
43 45 45 44 39 29 20 48 43
High
51 53 51 50 47 37 30 54 49
Medium
48 51 50 49 46 36 28 53 48
MCM040D/DR
Low
46 50 49 48 44 35 27 52 47
High
51 53 51 50 47 37 30 54 49
Medium
48 51 50 49 46 36 28 53 48
MCM050D/DR
Low
46 50 49 48 44 35 27 52 47
High
34 45 49 52 49 44 37 56 51
Medium
32 43 46 49 46 41 33 53 48
MCM061/62
C/CR
Low
26 36 40 42 38 32 24 46 41
MCM020D/DR
MCM025D/DR
Standard: JIS C 9612
MCM030D/DR
MCM040D/DR
MCM050D/DR
MCM061/62
C/CR
Standard: JIS B 8615
Model Measuring location
1m
Microphone
1m
1m
Microphone
0.8m
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