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    ok

    2019-01-07 08:08:53

    muito bom e bate bem com o amperímetro

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    Hali!

    2018-06-02 14:00:02

    Perfect!

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    подделка

    2018-06-07 08:22:16

    С точностью измерения у данной нагрузки огромные проблемы... Не входит в режим калибровки. Продавец продает подделку по цене оригинала. https://mysku.ru/blog/aliexpress/51251.html

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    excellent seller

    2018-07-04 19:12:26

    however I had issue with firmware of board

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    Product of low quality

    2018-04-30 17:18:33

    Wrong calculation of the power {W} Wrong calculation of the energy {Ah} and a false discharge timer. When I start the device, the timer is not canceled.Sometimes it is, but rarely! The real discharging current is so different from target !!!

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    kaputt defekt

    2018-04-13 00:15:17

    Gute Konstruktion schlechte Bedienungsanleitung falsches Anschluss Foto..... Gerät ließ sich nicht aktivieren - kein Laststrom ... also DEFEKT !!!

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    High quality.

    2018-03-29 08:15:11

    Compliance with the specification. Good price.

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    Very Poor Quality - Do Not Buy

    2018-03-23 23:25:54

    I first tested this with 12V and set the current to 0.1A. The actual current measured was 0.12A but the display was 12.5V and 0.15A. So the measurement was way off. Then I used 50V and set the current to 2A. It lasted just 2 seconds and the current inputs developed a short-circuit. The fan did not started at all. The display still worked but the constant current setting no longer worked. I measured the resistance among the power MOSFET device (IRFP250) pins and they were shorted together.

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