摘要
介绍垂直落球粘度计的结构原理,进行了不确定度分析,并利用国家一级标准物质进行了验证。
This paper introduces the structure and principle of vertical falling-sphere viscometer. analyses the uncertainty and verifies the viscometer using the primary certified reference material GBW136 15.
关键词
计量
粘度标准
垂直落球粘度计
粘度计
measurement
viseosty standard
vertical fallinq-sphere
viscometer
