本文介绍了用等效输入法测量光学式分析仪器中常用的光电倍增管(以下简称PMT)的暗电流等效输入光通量的简易方法,介绍了笔者研制的测试装置;给出了对PMT暗电流等效输入光通量的测量数据和数据处理方法,同时,对等效输入法的主要优点、实用性、以及装置的制作、操作等有关问题进行了讨论。 This paper introduces a simple method to measure the dark current equivalent input luminous flux of the commonly used photomultiplier tube (PMT) in optical analytical instruments by the equivalent input method, introduces the test device developed by the author, Equivalent input luminous flux measurement data and data processing methods, at the same time, the main advantages of the equivalent input method, practicality, as well as the device manufacturing, operation and other related issues were discussed.