真空泵抽速测试的计算表达式

Expression of Calculation measuring the pumping Speed of Vacuum Pump

本文仅对蒸汽流真空泵及容积真空泵抽速测试的计算表达式作一简介，并通过滴管 油柱压力单位的直接换算，得出简捷的计算表达式。

In this paper, vapour steam vacuum pump, its volume and the expression of calculation measuring the pumping speed of vacuum pump are briefly described. By the direct conversion of the pressure unit for oil column through the dropping pipe, a brief expression of calculation can be obtained.