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Reviewed in the United States on January 23, 2025
This review is for the "DC Power Supply Variable, Bench Power Supply with Encoder Adjustment Knob, Variable Power Supply with 4-Digit LED Display 3 Sets Storage, PC Software Control (MY-K3010MP)."Firstly, this is a noisy power supply. It doesn't like digital scopes either. There is an inherent background noise I haven't taken the time yet to properely diagnose. That is my main reason for reducing the review to four stars.The power supply is otherwise quite accurate. I tested it on an HP calibrated meter and it wasn't off enough to even mention. If you need something more accurate, you'll spend ten times as much easily.This power supply can be manipulated through software as well, making it useful. I just wish it had better isolation and a separate grounding post. The power cord is grounded, yet there isn't a grounding post. Seems odd to me.Lastly, setting voltage or current is a bit of a hastle. Once I press the set button, I have 1 second to begin manipulating the data wheel or it locks me out. I would like a 3 second or so timer so I'm not rushing.There are much better engineered power supplies for not much more on Amazon- some that are designed better imo. However, this one appears to be ok for general DIY projects. Just be sure to filter your designs well and isolate as much as possible.
Engine Shop Joe
Reviewed in the United States on January 17, 2025
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John Long
Reviewed in the United States on April 22, 2025
I have the MP3010-1 30V 10A with 3 save buttons and PC control software. Its a pretty good digital supply for general design and lab work. It seems to be calibrated well but none of my meters have been calibrated for quite some years now so its close enough. It does have some noise on the output due to it being a switching supply but unless you are doing RF or other critical work then this is of little importance. I do have some old analog Lambda supplies for doing that kind of work.Right off it does not have a grounding lug and the one knob for all instead of the course and fine for V and A is a little painful to have to push buttons then select instead of just go for it with the right knob. It would also be nice to have a USB-C output on it. Overall it is small and handy with a 300 watt output capability.
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