This International Standard specifies methods for the measurement, determination and declaration of the noise emission from portable and stationary compressors and vacuum pumps. It prescribes the mounting, loading and working conditions under which measurements are to be made, and includes measurement or determination of the noise emission expressed as. the sound power level under specified load conditions,. the emission sound pressure level at the work station under specified load conditions.It is applicable to . compressors for various types of gases,. oil-lubricated air compressors,. oil-flooded air compressors,. water injected air compressors,. oil-free
DS/EN ISO 2151:2008 history
2008DS/EN ISO 2151:2008 Acoustics - Noise test code for compressors and vacuum pumps - Engineering method (Grade 2)