NEN 10651 : 94 AMD 1 1994
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SOUND LEVEL-METERS
07-01-2003
01-12-2013
Specifies the following characteristics of sound level meters: a) directional characteristics; b) frequency weighting characteristics; c) time weighting, detector and indicator characteristics; d) sensitivity to various environments.
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