It is a new current ratio standard after the zero flux current transformer, two stage current transformer and current comparator.

它是继零磁通电流互感器、双级电流互感器和电流比较仪之后的又一种新型的电流比例标准。

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This text introduce a verified method of direct current high voltage supply source making use of digit multimeter and voltage ratio standard in high voltage and high resistance measure instrument.

本文介绍一种利用高压高阻测量仪的电压比率标准与数字多用表测量直流高压电源的校准方法。

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