AS/NZS IEC 61672.1:2019 PDF
The objective of this Standard is to provide electroacoustical performance specifications for three kinds of sound measuring instruments: (a) timeweighting sound level meters that measure exponentialtimeweighted, frequencyweighted sound levels; (b) integratingaveraging sound level meters that measure timeaveraged, frequencyweighted sound levels; and (c) integrating sound level meters that measure frequencyweighted sound exposure levels.AS/NZS IEC 61672.1:2019 History
AS/NZS IEC 61672.1:2019
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AS IEC 61672.1-2004
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