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Noack 蒸发损失测定仪
- 型号
- Noack
该企业相似产品
北京迪索仪器有限公司
Beijing DSA Instruments Co.,Ltd
北京迪索仪器公司总部设在北京，专业销售代理进口的科学仪器。
进口仪器集中在材料（金属、非金属、半导体、有机物）分析仪器、煤炭分析仪器、食品分析仪器、石油分析仪器（实验室、在线）、环保仪器（实验室、在线；水质、气体）、普通仪器等；
服务领域涉及大学、研究所、石油及化工企业、煤炭及火力发电站、食品类、环保等领域。
供应商来自美国、欧洲、日本等先进发达国家，以及部分其他国家。
附我们所代理销售的进口产品清单：
一、材料分析仪器：
二、食品微生物仪器：
三、煤炭分析仪器：
四、化学安全仪器：
五、石油分析仪器：
六、实验室普通仪器：
详细信息
Noack蒸发损失测定仪
The thermal requirements on motor oils in particular have risen considerably over the last few years. This consequently means that the testing of these motor oils and lubricants has nowadays become more important for reasons of quality control and operating safety. Evaporation losses at high temperatures generally lead to an increase in the oil consumption and additionally cause a detrimental change in the lubrication properties of the oils.
The test method is standardized in DIN 51581, CEC L-40-A-93 and ASTM D5800. The oil sample is heated in the evaporation crucible, and subsequently retained at the testing temperature for exactly 60 minutes. Whilst the testing temperatures can generally be as high as 350癈, motor oils are usually tested at
