Specifies meters having four degrees of precision, designated Types 0, 1, 2 and 3 for the measurement of certain frequency and time weighted sound pressure levels. Defines a weighting characteristic, designated D, for certain measurements of aircraft noise. A description is not available for this item. BS 848-6 - Fans for general purposes Part 6.

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bs 5969:1981的发布历史信息,指定具有四种精度的仪表，分别指定为类型 0、1、2 和 3，用于测量某些频率和时间加权声压级。 Specifies meters having four degrees of precision, designated Types 0, 1, 2 and 3 for the mea

BS-5969 - 1981 EDITION - SUPERSEDED -- See the following: BS-EN-60651 Show Complete Document History

BS-5969 Specification for sound level meters - Overload (electric);Verification;Instructions for use;Audiofrequencies;Acoustic measurement;Sensitivity;Sound intensity;Calibration;Design;Acoustic equipment;Sound-level meters

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Specification for sound level meters Published By Publication Date Number of Pages BSI 1989 30

BS 5969-1981 标准详情. 标准号： BS 5969-1981; 中文标题： 声级计规范; 英文标题： Specification for sound level meters; 标准类别： 英国标准; 发布日期： 1981-05-29

Specifies meters having four degrees of precision, designated Types 0, 1, 2 and 3 for the measurement of certain frequency and time weighted sound pressure levels.

BS 5969:1981 This standard BS 5969:1981 Specification for sound level meters is classified in these ICS categories: 17.140.50 Electroacoustics; Specifies meters having four degrees of precision, designated Types 0, 1, 2 and 3 for the measurement of certain frequency and time weighted sound pressure levels.