Tragbarer USB PD Tester QC3.0 2.0 PD Digital Spannung Strommesser Stromdetektor
70,88 €
Put the wire under test into the tester, and then connect the load, the resistance will keep beating until the resistance is stable. The degree is the size of the wire resistance. There is a GOOD evaluation to let you know whether the wire is good or bad.
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