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EN 21680-1:1991

Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machinery - Part 1: Engineering methods for free-field conditions over a reflecting plane (ISO 1680-1:1986) EN 21680-1:1991

General information

99.60   Withdrawal effective   Oct 1, 1999

CEN

CEN/TC 211 Acoustics

European Norm

17.140.20   Noise emitted by machines and equipment | 29.160.01   Rotating machinery in general

Scope

Specification of an engineering method (grade 2) for measuring the sound pressure levels on a rectangular parallelepiped surface enveloping the machine and for calculating the sound power level produced by the machines. It outlines the procedures which may be used to evaluate the test environment and specifies the characteristics of suitable measuring instruments.

Life cycle

NOW

WITHDRAWN
EN 21680-1:1991
99.60 Withdrawal effective
Oct 1, 1999

Relations

Adopted from ISO 1680-1:1986 IDENTICAL




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