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1、00330DG北京毕柯恩科技有限公司油液的洁净度：油液的洁净度----就是油液污染程度的定量描述。油液的洁净度的评定方法油液中颗粒尺寸的分布：对数座标以对数/线性log/log2洁净度等级表示法：NAS1638、SAE749D、ISO4406NAS1638油液洁净度等级（100ml液压油液中颗粒数）污染度等级颗粒尺寸范围（μm）5-1515-2525-5050-100>1000012522410025044820150089163121000178326132000356631124400071212622458
2、000142525345861600028505069016732000570010121803286400011400202536064912800022800405072012810256000456008100144025611512000912001620028805121210240001824003240057601024SAE749D油液洁净度等级（计数法）液压油污染等级试行标准（每100ml）尺寸范围污染等级μm01234567-102.5-5待定5-10270046009700240003200
3、08700012800010-2567013402080536010700214004200025-5093210380780151031306500待定50-1001628561102254301000>10013511214192*电力行业标准DL/T571-95（SAE749D油液洁净度等级）00330DG北京毕柯恩科技有限公司ISO油液洁净度等级颗粒数/mlRR5/15大于小于（等于）浓度等级数例1：大于5微米的颗粒浓度80,000160,00024为400颗/ml.40,00080,00023大于15微
4、米的颗粒浓度20,00040,00022为65颗/ml.10,00020,00021则ISO=16/135,00010,000202,5005,00019例2：大于5微米的颗粒浓度1,3002,50018为16,030颗/ml.6401,30017大于15微米的颗粒浓度32064016为2,490颗/ml.16032015则ISO=21/188016014408013延展等级R2/R5/R15204012例3：大于2微米的颗粒浓度102011为32,200颗/ml.51010大于5微米的颗粒浓度2.559为16,
5、030颗/ml.1.32.58大于15微米的颗粒浓度0.641.37为2,490颗/ml.0.320.646则ISO=23/21/180.160.3250.080.1640.040.0830.020.0420.010.02100330DG北京毕柯恩科技有限公司洁净度等级对照表ISO代码每毫升颗粒数>10μmAC粉尘重量水平毫克/升MILSTD1246A（1967）NAS1638（1964）SAE749等级26/23140.0001.00025/2385.0001.00023/2014.00010070021/18
6、4,5001220/182,40050020/172,3001120/161,4001019/161,2001018/155809617/142803008516/1314017415/12706314/124020014/11355213/10140.14112/993011/85210/8310010/72.3110/61.40.019/61.208/50.6007/50.3506/30.140.0015/20.04252/0.80.011000330DG北京毕柯恩科技有限公司俄国гост标准工业液污染度分级
7、гост17216-71工作液污染度等级100+0.5厘米3液体容积里杂质微粒数不大于下列数值微米尺寸，微米杂质质量不大于%0.5-1>1-2>2-5>5-10>10-25>25-50>50-100>100-200纤维0080040032841A.OA.O01600800631682116001253216322506332413125636242501251235500250254161000500506210.000272000100010012420.000284000200020025630.000498
8、0004000400501240.0006101600080008001002550.0008113150016000160020050100.00161263000315003150400100200.003213630006300800200400.00514125000125001600400800.0081525000315008001600.0161650006
