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EVS-EN 21680-1:1999

Acoustics - Test code for the measurement of airborne noise emitted by rotating electrical machinery - Part 1: Engineering method for free-field conditions over a reflecting plane

General information
Withdrawn from 01.12.2000
Base Documents
ISO 1680-1:1986; EN 21680-1:1991
Directives or regulations
None
Standard history
Status
Date
Type
Name
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.
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Standard monitoring