Customer Review for Hot recommend RD tech (ruideng) products of DPS5020, DPS5015,DPS5005, UM25C ,UM34C ,TC66C UM24C at34,DPH5005

Commercial Sellers' Spot
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DPS5020 power supply and its case
(non-communication)
[Nice body. Recommend]
https://www.aliexpress.com/item/32794029335.html

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RD TC66 Type-C Voltmeter ammeter

[As described, works well, no complaints]

https://www.aliexpress.com/item/32968303350.html

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Hi just curious, is there any USB device out there that can measure the RMS and P-P value of a usb power supply noise, down to the 1mV resolution, without using an expensive oscilloscope? The measurements made by HKJ is always using a high-end oscilloscope. Was wondering is there is other ways to determine the noise of power supplies?

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sorry, we don’t have

77

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RD DP30V5A-L Step-down Power Supply
[I always put 5 to this seller, he is one of everyone who is interested in his products, and does not forget his customers. What can I say about the product is only good, these three understanding converters on the account of the 5th, 6th, 7th previous 4 work stably, perfectly what do I recommend? Sure!!! maybe I'll take a couple more, just in case of emergency.]
https://www.aliexpress.com/item/32639806678.html

78

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RD UM24C voltmeter ammeter

[A little more than a month on the road, I received it at UkrPoshta, I ordered it not the first time, everything was clear, I checked it, it works, thanks to the seller, I advise the store ...]

https://www.aliexpress.com/item/32845522857.html

79

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RD AT35 5 digits USB 3.0 color LCD Voltmeter ammeter+HD35

[Nice gadgets. It can be used for measurements] https://www.aliexpress.com/item/33022448123.html

80

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RD DPS5005 Step-down Power Supply
[Thank. Corresponds to the description. I checked it works. The packaging is great. I recommend. Shipped fast.]
https://www.aliexpress.com/item/1000004290003.html

81

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RD DPS5015 Step-down Power Supply
[Delivery two weeks. Packed soundly, nothing crumpled on the way. It’s going nowhere easier, two identical cables, where to insert it is signed, you will not confuse. Works good. There are all the necessary protections: temperature, polarity. Various settings are set in the menu. The control is carried out by an encoder, convenient intuitive control. Even a child will understand. Even in this case, there is protection against children, which is turned on by a long press on the encoder knob. For my money, I think a very worthy device. The seller is sociable, quickly responds to SMS, answers all questions. Thank.]
https://www.aliexpress.com/item/32702714880.html

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RD DPH5005 digital Power Supply
[I have built my Power Supply with this module and performed extended testing. It works like always, without any problem. It works like a charm. I have already several DPH3205 modules.]
https://www.aliexpress.com/item/32840324731.html

83

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RD DPS5005 step-down Power Supply
[Everything is in place, plus two crocodiles as a gift. The USB module has not yet been tested, and the module itself is working. The packaging is super. From the documentation - a piece of paper with a link to download the software.]
https://www.aliexpress.com/item/1000004290003.html

84

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RD AT35 USB 3.0 color LCD Voltmeter ammeter
[Devices delivered quickly. Everything is packed in a foam box, and each device is in a plastic box. Devices are working. I recommend the product and the seller!]
https://www.aliexpress.com/item/32897200670.html

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RD UM34C Type-C voltmeter ammeter
[Delivery 25 days. Great tester. Also, communication with smart phone hvia bluetooth, it is generally convenient. I have long wanted this and took it, finally. There are a lot of reviews on YouTube. A worthy gadget.]
https://www.aliexpress.com/item/32880908871.html

86

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RD DPS5020 DC- DC Step-down Power Supply
[Used for input supply 50v 5amp 250w this bulk converter i can get 12v 15amp. Bluetooth power control is very easy. Excellent converter.]
https://www.aliexpress.com/item/32821185351.html

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RD DPS5015 Step-down Power Supply

[Fast delivery. Convenient in settings. Measurements are correct.]

https://www.aliexpress.com/item/32702714880.html

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RD DPS5005 Communication Constant DC - DC Voltage current Step-down Power Supply
[I was anxious about receiving this, a very useful working instrument. As you see in the pics it’s working fine and it’s very accurate. I’m very satisfied]
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RDUM34C USB 3.0 Type-C DC voltmeter ammeter
[Ordered the parcel sent the same day. The seller is responsible immediately packaging is excellent. I went to the center of Ukraine for 28 days. the device is an excellent box for transportation is excellent. I will do a review on my YouTube channel Techno live channel. and recommend.]
https://www.aliexpress.com/item/32880908871.html

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RD AT35 USB 3.0 multimeter
[Delivered to Croatia in 2 weeks. USB meter has beautiful display and is very practical and easy to use, comes in a nice plastic box with foam which is great for storing and carrying around. USB load meter is nicely put together, and is also easy to use. I would suggest putting better plastic standoff legs and perhaps knob on a potentiometer. Also foamy box so that it doesnt flap inside. Overall, very nice products for amateurs and pros. I will order more in future. Love this seller and their products.]
https://www.aliexpress.com/item/32897200670.html

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RD DPS5020 Constant voltage current DC- DC Step-down communication Power Supply
[I liked the device, for a long time "lay" in "My wishes." So far, it has shaken by about 250 - 280 watts, although it is possible up to 1000 watts. There is no more power supply yet. All the declared parameters work, on the bluetooth of the device it connected without problems to a smartphone and laptop. By USB, too, no problem. A small minus, in my opinion, is a constantly noisy case fan. I can recommend a great device! I ordered the maximum configuration of the DPS5020.]
https://www.aliexpress.com/item/32821185351.html

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Hello RDTech.

I’ve been loving your products, but I’ve been having a small problem.

Using it during chemistry experiments, it has been very useful.

However, being exposed to corrosive vapors on the outside, the outside case screws have started to rust after 9 months.

Could you provide measurements for the screws so I could buy stainless steel or titanium ones?

Thank you.

Edit: This was for the DPS5015 case. Sorry if I did not include it.