dl432-2007电力用油中颗粒污染度测量方法

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1、DL/T432—2007ICS27.100E34备案号：21227-2007中华人民共和国电力行业标准DL/T432—2007代替DL/T432—1992电力用油中颗粒污染度测量方法Determinationofparticulatecontaminationinoil2007-07-20发布2007-12-01实施中华人民共和国国家发展和改革委员会发布IDL/T432—2007第一章、目次前言····································································································

2、················································Ⅱ1范围···············································································································································12规范性引用文件·······························································································

3、······························13实验室环境要求·····························································································································14仪器及材料································································································································

4、·····15清洁液的制备及要求······················································································································26取样瓶的准备·································································································································27取样························

5、·······················································································································28测试方法········································································································································3附录A（资料性附录）NAS1638颗粒污染度分级标准···········

6、··························································6附录B（资料性附录）检验报告········································································································7IIDL/T432—2007前言本标准是根据《国家发展改革委办公厅关于下达2003年行业标准项目补充计划的通知》（发改办工业［2003］873号），对SD313—1989《油中颗粒数及尺寸分布测量方法（自动颗粒计数仪法）》和DL/T432—1

7、992《油中颗粒污染度测量方法（显微镜对比法）》进行的修订。本标准主要修订内容为：——将SD313—1989和DL/T432—1992两个标准合并为一个标准，增加了规范性引用文件；——对SD313—1989标准的方法原理、仪器校准及计算公式进行了修订；——对原SD313—1989标准中报告要求作了调整；——对原SD313—1989和DL/T432—1992标准的测量步骤作了修改和补充。本标准自实施之日起，同时