Ревидиран
Specifies the performance requirements for three classes of sound calibrator. Sound calibrators are designed to produce a known effective sound pressure level or levels at a specified frequency or frequencies when coupled to specified models of microphone or specified configurations, for example, with or without protective grid.
ПОВУЧЕН
IEC 60942:1988 ED1
ПОВУЧЕН
IEC 60942:1997 ED2
99.60
Повлачење ступило на снагу
31. 1. 2003.
ПОВУЧЕН
IEC 60942:1997/AMD1:2000 ED2
ПОВУЧЕН
IEC 60942:2003 ED3