IEC 61260-3:2016 describes procedures for periodic testing of octave-band and fractional-octave-band filters that were designed to conform to the class 1 or class 2 specifications given in IEC 61260-1:2014. The aim of this standard is to ensure that periodic testing is performed in a consistent manner by all laboratories. This first edition of IEC 61260-3 (together with IEC 61260-1:2014 and IEC 61260-2:2016), cancels and replaces the first edition of IEC 61260 published in 1995 and its Amendment 1 published in 2001. This edition constitutes a technical revision.
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EN 61260-1:2014 Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications
EN 61260-2:2016 Electroacoustics - Octave-band and fractional-octave-band filters - Part 2: Pattern-evaluation tests
EN 61672-1:2013 Electroacoustics - Sound level meters - Part 1: Specifications
EN 61260-1:2014 Electroacoustics - Octave-band and fractional-octave-band filters - Part 1: Specifications
EN 61260-2:2016 Electroacoustics - Octave-band and fractional-octave-band filters - Part 2: Pattern-evaluation tests
EN 61672-1:2013 Electroacoustics - Sound level meters - Part 1: Specifications
ISO/IEC Guide 98-3:2008 Uncertainty of measurement -- Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
ISO/IEC Guide 98-4:2012 Uncertainty of measurement -- Part 4: Role of measurement uncertainty in conformity assessment