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  • 2018-06-13 14:54:31

    Very nice tester. Works as expected. Can measure cable impedance, QC2/QC3 detection (no trigger though). Bluetooth works, visible as "JDY-30" device. You need to pair with it using "1234" as a password. Android app is quite nice, all params are on the main screen, it can save data logs to csv file. Cons: - PCB is dirty, need to be cleaned of flux paste

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  • fx123
    2018-08-22 05:57:15

    The good : It works !, you have to pair it with the android bluetooth settings first (JYD30/PIN=1234) then the app works fine. The bad : It is a bluetooth-less unit with a BT module taped to it, not sure it will keep working long The ugly : The wiring is incomplete. It shows device connected to it as USB 2.0 even if they are usb 3.0 So if you want to track consumption of devices without sending/receiving data, it's fine If you want to check consumption of an active device, say a HDD, the result

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  • 2018-06-13 10:07:02

    quite a neat gadget the bluetooth works well with android but had trouble setting the software up on the pc but it doesn't deter me from recommending the product it works flawlessly with android

  • 2019-01-30 10:48:09

    Excelente! Sorprendentemente llego a mi pais. Y mis sorpresas son mas por los problemas de aduanas de aca que se pierden las cosas. El Dispositivo funciona muy bien, enciende tan pronto lo conectas muy util para probar tus cargadores o cables usb y comprobar si hay problema de voltaje

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  • 2018-08-07 22:30:46

    This device really helps tell me what current my charger is supplying to my phone and lets me know when it is near done charging. It is also very fun :D

  • OldHare
    2019-01-21 22:52:47

    Excellent device, a lot of function in small size. Very useful, the software is simply and reliable.

  • 2018-12-31 11:38:15

    Read the description on the page info product to know wich app to dowload and install on your smartphone or computer. No manual came with the meter

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  • whynot
    2018-06-05 20:51:11

    The device works, however I couldn't figure out how to put it in Bluetooth pairing mode. The instructions don't have this info.

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  • 2018-06-04 11:52:10

    app works flawlesly. Measures even the smallest currents. Bleuthooth is nice bonus

  • 2019-08-24 04:18:22

    good! However, I felt that there was a little more self-consumption current.


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