NEN ISO 3745 : 1983
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
01-01-2004
12-01-2013
Specifies two laboratory methods for determining the sound power level of a source. Gives requirements for the test room, as well as the source location, operating conditions and instrumentation. Applicable to sources which produce sound that is uniformly distributed in frequency over the frequency range of interest and is relatively steady for at least 30 s.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.