半偏法测量微安表内阻的不确定度研究

Research on the Uncertainty in Measuring the Inner-resistance of Micro-ampere-meter by Half Electric Current Measurement

在测量微安表内阻的众多方法中,半偏法是常用的方法之一.全面分析了影响测量结果不确定度的因素,得出了实验测量的最佳条件.

Half electric current measurement is one of the methods that measure the inner-resistance of micro-ampere-meter. Some uncertain factors that affect the result are analyzed so as to find the best condition.