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

專家解讀視頻
基本信息
標準編號: EN 60651 : 94 AMD 2 2001
標準類別:Standard
出版單位:European Committee for Standards - Electrical
標準頁數:0
標準簡介
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.
本標準替代的舊標準