DIN EN 61252:2018 Electroacoustics - Specifications for personal sound exposure meters (IEC 61252:1993 + AMD1:2000 + AMD2:2017); German version EN 61252:1995 + A1:2001 + A2:2017
2018DIN EN 61252:2018 Electroacoustics - Specifications for personal sound exposure meters (IEC 61252:1993 + AMD1:2000 + AMD2:2017); German version EN 61252:1995 + A1:2001 + A2:2017
2003DIN EN 61252:2003 Electroacoustics - Specifications for personal sound exposure meters (IEC 61252:1993 + A1:2000); German version EN 61252:1995 + A1:2001