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DIN EN 13487-2004
Heat exchangers - Forced convection air cooled refrigerant condensers and dry coolers - Sound measurement
适用范围：This standard specifies methods for uniform assessment and the recording of: - the A-weighted sound power level; - the sound power spectrum; - a calculation method for an overall average sound pressure level at a given distance. Among these data," the sound power level is the only unambiguous characteristic. This standard is applicable to: - forced convection air cooled refrigerant condensers as specified in ENV 327; - air cooled liquid coolers ""dry coolers"" as specified in ENV 1048.#",,#
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