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

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RD AT34 USB 3.0 color LCD voltmeter ammeter
[Working tester! The accuracy of the readings was not tested, but i do not need special accuracy. The hood, the case is a good topic-i often carry with me (there is another tester in a simpler way. There are no these buns). A decent instrument! I’m happy… Bye!]
https://www.aliexpress.com/item/32897200670.html

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RD DPS5005 DC Step-down Power Supply
[Assembled the power supply. Great. I recommend to buy.]
https://www.aliexpress.com/item/1000004290003.html

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RD DPS5020 DC- DC Step-down communication Power Supply
[The parcel reached the Moscow region in 22 days, it was packed in a foam plastic box, the seller put a “crocodiles” gift the board with the installed elements looks good, it comes on plastic racks with internal thread, the converter works properly, but I had to dig into the memory settings.]
https://www.aliexpress.com/item/32821185351.html

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RD DPS8005 Step-down Power Supply
[Excellent quality electronics. Reliable seller! ]
https://www.aliexpress.com/item/32849962454.html

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RD DPS8005 Step-down Power Supply
[Excellent quality electronics. Reliable seller! ]
https://www.aliexpress.com/item/32849962454.html

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RD dual range 100v100A 7in1 OLED Multifunction Tester
[As always, everything is fast and high quality. I recommend to purchase.]
https://www.aliexpress.com/item/32788074155.html

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RD AT35 5 digits USB 3.0 color LCD Voltmeter ammeter
[Item arrived in excellent conditions. Works as expected. Here is a comparison between the new model (top) and the old one (bottom)]
https://www.aliexpress.com/item/33022448123.html

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RD UM34C Type-C DC voltmeter ammeter
[Cool tester. Checked its charging and wires, it turns out only one wire supports 2a. In general, i’m happy. The seller is well done, everything is packed on conscience.]
https://www.aliexpress.com/item/32880908871.html

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RD DPH5005 Buck-boost power supply
[There was no doubt about the correct performance of this device, so that immediately mounted in the backup power supply. I am very pleased with the purchase, i recommend.]
https://www.aliexpress.com/item/32840324731.html

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RD LD25 LD35 USB Interface Electronic Load
[Very fast shipping. Item received 7 days after placing order. The load works well. I like the fine current adjustment. The built-in display is handy and accurate enough for testing. I’ve already used it to test voltage drop on USB cables.]
https://www.aliexpress.com/item/32882318330.html

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RD UM24C voltmeter ammeter
[Delivery is very fast. The quality is very good, the screen is clear and bright can be seen even in the sun. The version with bt is a convenient program for monitoring on the smartphone. I recommend the seller and the product.]
https://www.aliexpress.com/item/32845522857.html

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RD TC66C Type-C PD trigger USB-C Voltmeter ammeter
[The trigger reached severodvinsk in 3 weeks. Packed well. Trigger in box, box in foam. In general, it came safe and sound. Installed on the phone the recommended program. Checked, works fine, bluetooth pairing with the phone. I’m happy. Seller and shop recommend.]
https://www.aliexpress.com/item/32968303350.html

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RD DPS3005 DC Step-down Power Supply
[I buy the second module, the first was more powerful-5015, but it took another device. As the basis of the amateur power source-the thing is wonderful!]
https://www.aliexpress.com/item/1000004279003.html

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RD HD35 Electric USB Load

[Before the mo for 12 days. for the organization of such logistics to the seller a big respect! I like the device myself. so i'm happy]

https://www.aliexpress.com/item/32917594486.html

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RD DP50V5A Step-down Power Supply
[Order not for the first time. High quality, fast shipment, good packaging. Buy, you will not regret! Seller thanks!]
https://www.aliexpress.com/item/32596330856.html

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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

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?

sorry, we don’t have