If you like knowing what is going on with your USB charging;this is for you. This is a very handy tool for tracing and eliminating USB power issues! When working with USB devices it is often useful to know how much power/current/voltage is being drawn by a device across an interface. For example, when you have a phone that is charging very slowly, it is useful to know if the problem is the phone itself or the power source. Using a meter, you can check the 搗itals?to know what demands the device is putting on the power source, and by comparison determine where the problem lies. This power meter is very simple to use and it is accurate. Features: Construction: Solidly constructed. Has held up well in work bag/pocket Fit: Solid USB connection Feel: Small size,nice materials Usability: Great for everyday use in diagnostics It is well-made, simple to operate and is immediately helpful With a pig tail type power meter, you can position the meter body to see its display Great little power meter,Accurate measurement, Bright and Large LED Display,Easy Readable Design, Pocket Size, Two USB Outlets, Widely Used Measure your USB device amperage and voltage.Very cool little gadget that allows you to plug in USB devices and check their draw. It displays the top number in red, the bottom in blue, and the contrast is enough that it is very readable even in bright light. Technical Parameters: Supply voltage/test voltage: 3.2 ~ 10V Test Current: 0 ~ 3A (10A Maximum) Operating Current: Display: 0.28 "LED, Red/Blue Display Ways: Blue display current, red display voltage Dimensions: 69 x 26 x 14mm USB extension cable: about 120mm Measuring rate: = 500mS / times Accuracy: 1% (?2 digits) Product Weight: 27g Package included: 1 x USB power current and voltage tester ampere meter
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