Cooling Fans

NOTE 1. NOISEIS MEASURED AT RATEDVOLTAGE]N ANECHOIC CHAMBERIN FREEAIR WITHB&KSOUNDLEVELMETERAND W I T HM I C R O P H O N E A TA D ] S T A N C E O F O N E M E T E RF R O M THE FANINTAKE.REFERTO ANSI-S1A.12 AS SHOWN BELOW: FULLANECHOIC CHAMBER LEVEL FullAnechoicChamberfor ISO3745 Residual Background NoiseLevel:15.0dB(A) LowestCutoffFrequency(Fco):80 Hz

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2. THE PERFORMANCE INCLUDING AIR FLOWANDAIR PRESSUREMEASUREDAT RATEDVOLTAGEIN DOUBLE CHAMBERIS MEASURED ACCORD]NG TO A,MCA210 STANDARDAS SHOWNBELOW: Fanundertest

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