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  • January-24 2020 12:15:18

    скорость обновления показаний приятно удивила -действительно 5 раз в секунду. точность приемлемая - смотрите на скринах замеры в 4 точках. практически везде все точно и линейно. шунт ~25...30мОм , т.е. падение напряжение на шунте около 30мВ. при трех амперах падение напряжения на выводных

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  • February-25 2019 02:30:13

    An excellent panel meter I was more than surprised by the excellent performance of this extremely cheap meter. If you want to measure both the output voltage and the output current of a DC voltage source, this meter is an excellent option. The only improvement we see (and it also saved some money) is replacing the power connector with two solder lugs on the PCB, next to the shunt.

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  • September-12 2017 07:48:37

    if you need to have a single small measuring instrument for volt and current, this is for you. on the back there is an adjusting trimmer, but it not documented if is for voltage or current. not yet tested the precision, but looks ok se necessita uno strumento per misusrare in contemporanea tensione e corrente questo prodotto è ciò che serve. sullo stampato è presente un trimmer di regolazione ma non è documentato se sia per la tensione o la corrente. non ho ancora verificato la precisione, ma

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  • March-20 2019 19:07:33

    Fantastic Voltmeter-Ammeter this Ruideng voltmeter is really fantastic! It is a double digit digital display Voltmeter (not the usual three!), capable of measuring voltages ranging from 0 to 33V and currents up to 3A! It weighs only 21 grams and is 5 x 2.5 cm large with a depth of 2.2 cm. Various wiring options that you will find described here: https://www.banggood.com/0-33V-0-3A-Four-Bit-Voltage-Current-Meter-DC-Double-Digital-LED-Display-Voltmeter-Ammeter-p-1060303.html?rmmds= Myorder & ID

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  • April-15 2019 17:13:59

    All right! Ruideng 0-33 V 0-3 A quattro bit Voltaggio Corrente Contatore DC Amperometro voltmetro digitale a doppio display LED - rosso e blu ID 1060303 Fast Delivery. Excellent packaging Cheap Excellent materials, good workmanship

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  • March-17 2018 06:29:20

    Packaging was good, though delivery took 39 days to Canada. Works well. Quiescent current about 12mA throughout input voltage range. Figuring out how to wire it was frustrating, so I am attaching a sketch of my device as I wired it in a self powered mode. Note the thick red wire is the positive current flow return to the meter. Construction appeared good. Accuracy on voltage was great (+/- 0.01 V) while accuracy for low currents was good at +/- 1mA.

    Comments (2)
  • June-27 2017 05:36:05

    Really nice and surprisingly precise volt/amp meter. Wiring is a bit weird, but if you follow schematics, there will be no problems. It is great in pair with Hilland DIY power supply ( https://goo.gl/2fi7sL )

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  • November-10 2017 03:13:56

    Foarte bun, recomand Very good, I recommend

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  • April-12 2019 12:49:24

    Misuratore di tensione e corrente. Ricevuto, sembra ok, da provare.

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  • July-14 2017 06:41:18

    Acheté pour l'alimentation en kit de 30 volts 3 ampères qui fonctionne parfaitement, je conseille de remplacer les potentiomètres par des multi-tours pour la precision

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