Acson ACC-D Series User Manual

24
Sound Power
Ext. Static Speed Overall
(mmAq)
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz (dBA)
20 SH 69 71
72 73 71 69 65 78
14 Hi 67 69 72 72 70 68 64 77
10 Me 62 66 69 69 65 63 58 73
7 Lo 58 61 64 64 61 58 51 68
Ext. Static
Speed
Overall
(mmAq)
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz (dBA)
20 SH 75 72 74 75 73 72 67 80
14 Hi 75 71 73 74 72 70 66 79
10 Me 76 69 71 72 69 68 63 76
7 Lo 75 65 68 67 65 62 57 72
Duct Discharge Sound Power Level: Test with 5ft length discharge duct, terminated flush with internal wall of reverberation room.
Sound Pressure
Ext. Static Speed Overall Noise
(mmAq)
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz (dBA) Criteria
20 SH
52 49 49 48 45 40 33 52 47
14 Hi
51 49 48 47 44 40 33 52 46
10 Me
48 46 46 45 40 34 26 48 44
7 Lo
43 40 42 38 36 30 19 43 37
Ext. Static Speed Overall Noise
(mmAq)
125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz (dBA) Criteria
20 SH
60 54 51 51 49 44 37 55 50
14 Hi
59 52 50 50 48 42 36 54 49
10 Me
55 51 49 47 44 38 31 52 46
7 Lo
55 47 47 43 40 33 26 48 43
Microphone position: 1.4m below the centre of the unit. (GB Standard - GB/D17758)
Tested with 2m length duct at the air discharge outlet and air return inlet.
Measuring Location:
ACC 75D/DR
1/1 Octave Sound Power Level (dB, reference 1pW)
ACC 100D/DR
1/1 Octave Sound Power Level (dB, reference 1pW)
1/1 Octave Sound Pressure Level (dB, reference 20µPa)
1/1 Octave Sound Pressure Level (dB, reference 20µPa)
ACC 100D/DR
ACC 75D/DR
Test Unit
2m length test duct
2m length test duct
Air
1.4m
Microphone
4. SOUND DATA

Acson ACC-D Series Specifications

General

Brand	Acson
Model	ACC-D Series
Category	Inverter
Language	English