IEC 61252:2025 pdf download,Electroacoustics – Personal sound exposure meters.
IEC 61252:2025 is applicable to devices intended for personal wear, configured as specified by the manufacturer, to assess sound immission from steady, intermittent, fluctuating, irregular, or impulsive noise sources. To ensure reproducible results, the specifications and tests for response to sound waves are defined under conditions where no operator is present in the sound field.
