ANSI S1.4 : 1983被替代
SPECIFICATION FOR SOUND LEVEL METERS
出版：Acoustical Society of America
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基本信息
標準編號： ANSI S1.4 : 1983
標準類別：Standard
出版單位：Acoustical Society of America
標準頁數：0
標準簡介
Defines the minimum requirements for 3 basic types of sound level meters, types 0, 1 and 2, along with performance requirements that become progressively less stringent, proceeding from type 0 to type 2. Each type requires three frequency weightings, A, B and C; and two exponential-time-averaging characteristics, fast and slow.
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