本文由电路原理和数学方法推导出集电装置的接电阻对电桥输出信号精度的影响非常小的结论。
In the light of circuit principles, the author has mathematically ascertained that the contact resistance in an integrated circuit has little effect on the accuracy of output signals from the bridge.
一高质量电阻器在信号道路和使用瑞士与黄金接触适合低接触电阻和长期的耐久性一起使精密衰减器内只。
Only one high-quality resistor in the signal path and using the Swiss made precision attenuator with gold contacts for low contact resistance and longtime durability.
在有些应用中，例如测试电缆和印制板的绝缘电阻及耐压测试，可能需要切换高压信号。
Some applications, such as testing insulation resistance of cables and printed circuit boards and high-pot testing, may require switching high voltages.
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