The return wires from the RTD are generally buffered by a high-impedance circuit (amplifier/analog to digital converter), and thus no current flows in the return wires and no error is introduced.

• 返回导线从通常电阻式温度检测器缓冲了高阻抗电路(放大器/类比数位转换器来)；因此目前没有电流；没有新的错误返回.