
SOUND LEVEL METERS (IEC 60651:1979/A2:2000)
出版:European Committee for Standards - Electrical

专家解读视频
基本信息
标准编号: EN 60651 : 94 AMD 2 2001
标准类别:Standard
出版单位:European Committee for Standards - Electrical
标准页数:0
标准简介
Describes instruments (sound level meters) for the measurement of certain frequency and time weighted sound pressure levels. Gives the following characteristics of sound level meters: - directional characteristics; - frequency weighting characteristics; - time weighting, detector and indicator characteristics; - sensitivity to various environments.
本标准替代的旧标准