McQuay MCK050A Especificações descarregar pdf (Página 21)

Sound Data 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

MWM025G

High 41 48 47 43 40 32 23 49 43

Medium 39 44 43 39 35 28 20 44 38

Low 37 41 40 36 32 25 19 42 35

MWM030F

High 42 46 45 44 41 35 28 49 43

Medium 40 45 44 43 35 33 27 47 42

Low 37 43 43 40 35 30 26 45 39

Microphone position: 1m in front and 0.8m below the vertical centre line of the unit. (JIS C 9612)

1m in front and 1m below the vertical centre line of the unit. (JIS C 8615)

Model Measuring location

MWM025G

0.8m

Microphone

Standard : JIS C 9612

MWM030F

Microphone

Standard : JIS C 8615

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McQuay MCK050A Especificações Página 21