ELECTROACOUSTICS. RANDOM-INCIDENCE AND DIFFUSE-FIELD CALIBRATION OF SOUND LEVEL METERS.
Edition 1996-07-15

Measurement Procedure for Determination of Silencer Effectiveness in Reducing Engine Intake Or Exhaust Sound Level
Edition 2014-05-16

Sound level meters - Additional requirements for special measuring tasks
Edition 2014-07

Electroacoustics. Sound level meters. Specifications
Edition 2013-12-31

Averaging of sound levels
Edition 1990-06

Electroacoustics - Sound level meters - Part 3: Periodic tests (IEC 61672-3:2013); German version EN 61672-3:2013
Edition 2017-05

Electroacoustics - Random-incidence and diffuse-field calibration of sound level meters (IEC 61183:1994); German version EN 61183:1994
Edition 1994-12

Electroacoustics - Methods to determine corrections to obtain the free-field response of a sound level meter (IEC 62585:2012); German version EN 62585:2012
Edition 2013-03

Specification for the verification of sound level meters Shortened procedure for type 2 sound level meters
Edition 1997-01-15

Electroacoustics. Sound level meters. Pattern evaluation tests
Edition 2014-01-31