This document is applicable to information technology and telecommunications equipment.
It specifies:
a) for a batch of equipment, the method for determining the following values:
— the declared mean A-weighted sound power level, L WA,m ;
— the declared mean A-weighted emission sound pressure level, L pA,m ;
— the statistical adder for verification, K v ;
— the statistical upper limit A-weighted sound power level, L WA,c ;
b) how acoustical and product information is to be published electronically or in hard-copy format in technical documents or other product literature supplied to users by the manufacturer or declarer;
c) the method for verifying the noise emission values that are declared by the manufacturer or declarer.
