• BS 7135-2:1989

BS 7135-2:1989

Noise emitted by computer and business equipment-Method of measurement of high-frequency noise

BSI Group , 09/29/1989

Publisher: BS

File Format: PDF

$95.00$190.50


Four methods for determining the sound power levels of high-frequency noise in the octave band centred at 16 Hz, three based in the reverberation room technique and on in free-field conditions over a reflecting plane.Cross References:BS 7135:Part 1ISO 6926

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