A kind of circuit for automatic range selection of voltmeters is introduced and designed.
提出并设计了一种适用于电压表的量程自动转换电路。
The principle of automatic range selection and the function of the software are discussed.
文中讨论了测量范围自动选择的原理和应用软件的功能等。
It also has the function of automatic expansion of measuring distance, automatic selection of the superior accuracy according to the measuring range.
还有测量量程自动扩展、根据测量范围自动选择最佳精度的功能。
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