DS DS/EN 61672-1
DS DSEN 61672-1 2003-OCT-31 Electroacoustcs - Sound level meters - Part 1 Specfcatons
DS DSEN 61672-1 2003-OCT-31 Electroacoustcs - Sound level meters - Part 1 Specfcatons
This standard gives electroacoustical performance specifications for three kinds of sound measuring instruments: - a conventional sound level meter that measures exponential time-weighted sound pressure level; - an integrating-averaging sound level meter that measures time-average sound pressure level; and - an integrating sound level meter that measures sound exposure level.
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