Noise Level - McQuay MCM 020 D Manual

Noise Level

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