Use effective value to figure the voltage and the current which ensure higher accuracy. Display in a cycle with prompt to accommodate better content.

电压和电流采用有效值测量，保证数据更准确。采用循环显示及具备提示性显示方式，显示内容多。

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Using high-precision sensors provide a current signal through the optical fiber connecting sensors and display panels to enhance the reliability and accuracy of the home.

采用高精度传感器提供电流信号，通过光纤连接传感器和显示面板，提高了置的可靠性和准确性。

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