产品信息 电流探头　8家厂商的产品信息単

什么是电流探头？

电流探针是指夹着电流路，能够将电路电流作为电压进行观测的探针。英文是current probe。基本上，为了测定电流，在电流路径中插入电阻，转换为电压进行，但这需要电流路径的切断，另外，在高频中受到电阻的电感的影响等。与此相对，电流探针不切断电流路，捕捉电流路形成的磁通，输出转换为电压的信号。对观测波形和电路的影响也很小。

  • DKFLEX

  • flexible current probe

    It is not a closed loop, because the second terminal is passed back through the center of the toroid core (commonly a plastic or rubber tube) and connected along the first terminal. This allows the coil to be open-ended and flexible, allowing it to be wrapped around a live conductor without disturbing it.
    It has an air core rather than an iron core, it has a low inductance and can respond to fast-changing currents.
    Because it has no iron core to saturate, it is highly linear even when subjected to large currents, such as those used inelectric power transmission,welding, or ppulsed power applications.

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