IEC 61252 pdf download

IEC 61252 pdf download.Electroacoustics – Specifications for personal sound exposure meters 1 Scope 1.1 Sound exposure is a physical measure that accounts for both the sound pressure and its duration, at a given location, through an integral-over-time of the square of instantaneous frequency-weighted sound pressure. 1.2 This International Standard is applicable to instruments for measurement of A-frequency- weighted sound exposure...