A differential measurement probe has a groundclip system for electrically coupling outer shielding conductors of differential probing tips together.
差动测量探测器具有用于将差动探测尖端的外部屏蔽导体电连接在一起的接地夹系统。
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When using an oscilloscope, it is critical that you connect the groundclip of the probe to a ground connection close to (or better, on) your embedded system.