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About This Item
IEC 61252:1993+A1:2000+A2:2017 applies to instruments for measurement of A-frequency- weighted sound exposure resulting from steady, intermittent, fluctuating, irregular, or impulsive sound. Specifies acoustical and electrical performance requirements for personal sound exposure meters of one accuracy grade. This consolidated version consists of the first edition (1993), its amendment 1 (2000) and its amendment 2 (2017). Therefore, no need to order amendment in addition to this publication.