一台典型的直流台式数字万用表的精度可以达到0.002%（一种6 1/2数字仪器的一个读数）。

Accuracies of a typical DC bench-type digital multimeter can be as good as 0.002 percent (1 count of reading for a 6 1/2 digit instrument).

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介绍了LED显示的台式412位数字万用表的原理、故障分析和维修方法。

This paper introduced the theory and analysis on failures of 412 digit bench type digital multimeter with LED display.

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介绍了LED显示的台式412位数字万用表的原理、故障分析和维修方法。

This paper introduced the theory and analysis on failures of 412 digit bench type digital multimeter with LED display.

youdao