IEC 60970 Ed. 1.0被替代
Methods for counting and sizing particles in insulating liquids
出版：International Electrotechnical Committee
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基本信息
标准编号： IEC 60970 Ed. 1.0
发布时间：1989/6/15 0:00:00
标准类别：Standard
出版单位：International Electrotechnical Committee
标准页数：35
标准简介
Describes sampling procedures and methods for determining particle concentration and particle size distribution. Three methods are recommended, one using an automatic particle size analyzer and two based on the counting, with an optical microscope, of particles on the surface of a filtering membrane. All methods are applicable to both unused liquids and liquids in service.
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