BS 90:1975现行
Specification for direct-acting electrical recording instruments and their accessories
出版：British Standards Institution
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基本信息
标准编号： BS 90:1975
发布时间：1975/2/28 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：50
标准简介
Defines and classifies accuracy classes, methods of determining intrinsic error and variations for measured quantity and time-keeping, lists influence quantities, electrical and mechanical requirements, marking requirements and symbols. Concept used and effect of friction between marking device and chart explained in appendices.
标准备注
© British Standards Institution 2013
等同采用的国际标准
IEC 60258 Ed. 1.0 - Similar
