Review on π DROK USB 3.0 Hub Multi Tester with OLED Screen: Pocket Digital Multimeter, DC Voltmeter Ammeter, Capacitance Meter, Thermometer, Energy & Time Battery Monitor, OTG Connector Output with Auto Off by Andre Pendergrass
I'm glad I bought this USB multimeter.
I used this USB multimeter to test the output current from different outputs of two 5 output chargers on five different devices and to compare it to my Fluke. 87-B (one of the best multimeters). While not high res, Fluke agrees. This allowed me to find an almost dead slot on one so I could stick it on so I didn't use it. While I trust Fluke more and expect it to be much more accurate, it's designed to plug into USB ports and I don't need four decimal places for that purpose. One or two is enough. I'm very happy to have this in my tool box.
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