McQuay MCK050A Especificaciones descargar pdf (Pagina 24)

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

MCC025C

High 42 41 37 34 31 29 23 40 33

Medium 41 40 36 33 29 28 22 39 32

Low 36 35 33 31 26 27 21 36 30

MCC030C

Super High 54 50 46 45 40 34 30 49 44

High 50 45 43 42 37 31 26 46 41

Medium 45 40 40 38 32 26 20 42 37

Low 42 36 37 33 28 22 15 38 32

MCC040C

Super High 56 49 49 46 41 37 32 51 45

High 54 47 47 45 39 35 29 49 44

Medium 49 42 43 41 35 31 24 45 40

Low 45 39 41 37 30 26 18 41 36

MCC050C

Super High 56 50 50 49 44 38 33 53 48

High 54 49 49 48 43 37 32 52 47

Medium 53 47 46 47 40 35 29 50 46

Low 51 45 44 44 36 32 26 47 43

MCC060C

Super High 57 50 51 51 46 39 35 55 50

High 55 49 49 50 44 37 33 53 49

Medium 53 46 47 47 39 34 28 50 46

Low 51 43 44 43 35 30 24 47 42

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 :

Test Unit

2m length test duct

Air

1.4m

Microphone

Standard : GB/D17758

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McQuay MCK050A Especificaciones Pagina 24

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