NEN 11252:1995现行
Electroacoustics - Specifications For Personal Sound Exposure Meters
出版：Nederlands Normalisatie Instituut
专家解读视频
Applicable to instruments for measurement of A-frequency-weighted sound exposure resulting from steady, intermittent, fluctuating, irregular, or impulsive sounds. Specifies acoustical and electrical performance requirements for meters of one accuracy grade that corresponds to that for an integrating sound level meter complying with type 2 requirements of IEC 60804.
IEC 61252 Ed. 1.1 - Identical
EN 61252:1995 - Identical
IEC 61252 : 1.2 - Identical
EN 61252 : 95 AMD 2 2017 - Identical
