USB-AV USB Power Current Voltage Tester - Translucent Blue + Silver

SKU: 235090 (Added on -)
Price:
US$
3.98
38% OFF
List Price: US$6.40
Shipping: Free shippingTo UNITED STATES
Direct: Worldwide US
USB-AV USB Power Current Voltage Tester - Translucent Blue + Silver
This SKU 235090 is available in US direct. US: 901235090
Simple and practical; Small size, convenient to carry, no external power and other accessory equipment needed, plug and play; Can detect any USB output of power supply, charger, computer, car charger and mobile power, easy to measure out no-load voltage, loading voltage and devices working current of USB output, and to judge whether the performance of the charger and charging cable meet the requirements; Simple to operate; Suitable for 3~7.5V / 0~2.5A, 3 digits digital USB voltage and current alternate display, the result clear, great for factory, laboratory and normal users.


BrandNA
ModelUSB-AV
Quantity1
ColorTranslucent blue + silver
MaterialABS
FeaturesDetection range: Voltage: 3~7.5V; Current: 0~2.5A; Error: Voltage: less than +/- 1% Current :less than 2%
ApplicationCompact and easy to carry, no additional power supply, plug and play; It can easily measure the output voltage of the USB port and the device operating current or load voltage
Packing List1 x USB mobile power current detector
Dimensions: 2.09 in x 1.34 in x 0.59 in (5.3 cm x 3.4 cm x 1.5 cm)
Weight: 0.53 oz (15 g)

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Quantity 3+ units 5+ units 10+ units
Rate USD$ 3.53 shipped USD$ 3.52 shipped USD$ 3.51 shipped

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Customer Reviews

Average Customer Review (21 customer reviews) 5

100% of customers would recommend this product to a friend (21 out of 21)

  • 5 star: 21 (0%)
  • 4 star: 0 (0%)
  • 3 star: 0 (0%)
  • 2 star: 0 (0%)
  • 1 star: 0 (0%)

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  • Great USB Diagnostic tool!

    posted by ehud42 on 07:29:49 G7T 07/07/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: The tool is extremely simple to use. Just plug monitor into USB port and plug a USB device into the monitor. Instant voltage and current readings are available. This product has helped me identify week USB power supplies (such as http://dx.com/p/288273) and helped me to determine how much power a device consumes.

    Cons: The display cycles between voltage and current (amperes). While this makes the device simple, it can be difficult to monitor current usage and you will miss short spikes in current use when the device is showing voltage. In other words, it needs a switch to manually toggle between showing V & A.

    Other: Very happy to have purchased it.

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    • Overall
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    • Price:
      5
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    • Usefulness:
      5
  • Good service, deliver exact what I need on time

    posted by longthanhtran on 09:28:06 G6T 27/06/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Even this is my first time to purchase a small value thing on DX but the experience is exceptional, beyond my expectation as you manage to let me know how and when you process the order.

    Cons: If possible, you may update the generic estimate delivery time to 2 weeks as this should be expected time and I don't have to confuse if the label says as sooner period.

    Other: I would introduce DX to any of my friend whenever I have chance as I want to share the experience here.

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    • Overall
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    • Price:
      5
    • Quality:
      5
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      5
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      5
  • Simple, sweet, works!

    posted by Moe52c on 15:39:36 G6T 21/06/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: With all the chargers and cables I have lying around, I could not be sure which were good an especially, which combiantions charge more quickly. Now I know without hacking up a USB cable and fumbling with a multimeter. My phone gets 0.52 amps from the USB jack on my display. One of the USB ports on my laptop is intermittent! My webcam is low power, using just 40 mA. I can test all my USB hubs, too. Nice.

    Cons: None. Does what it should, as it should.

    Other: Simple. Works. Useful. Cheap. Get one.

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    • Overall
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      5
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      5
  • Great for troubleshooting cables and sources

    posted by rvindua on 09:05:57 G6T 10/06/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: I use this anytime i have a device that's not charging as fast as i think it should. It alternates between voltage and current which is nice. I also installed a tablet in my cars dashboard, this helped me see what each item drew in my USB hub to better calculate how much larger my power supply needed to be as well as how thick a gauge my wires should be to make sure everything stays powered. I'll probably get another as a backup or to keep at work I use my kill-a-watt for plugs and this for USB

    Cons: it'd be handier if it didnt go sideways, it can potentially block USB ports depending on layout. Although i have a 3 inch USB extension cable, so it doesn't really affect me

    Other: it's a must if you're always immersed in gadgets. It's a good way to check your chargers and cables because they can go bad or may not be working as good as they say they are. You may find you should be using shorter cables or better power supplies

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    • Overall
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    • Price:
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      5
  • Very handy!

    posted by bmw2002e3 on 20:10:13 G6T 08/06/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Not all chargers are made equal. This handy little device let's you know how your device is charging, but also how good your charger is working. Many chargers will have a voltage dip when charging, and many do not give you advertised amperage. This handy device really lets you know how your charger performs, and how much voltage/current your device is getting.

    Cons: Funny shape. Best used with an extension cable. Display not super bright, could hard to see in the car in the sun.

    Other: GREAT! Very handy device, order more than one.

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    • Overall
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    • Price:
      5
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      4
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      5
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      5
  • great pass-trough volt/ampere meter

    posted by mnalis on 14:42:22 G5T 18/05/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: - pass-through USB allows easy inserting anywhere in the USB chain - cheap - measures both voltage (Volts) and current (Ampers)

    Cons: the LEDs are not very readable in the bright light,like outside in the sun - you have to make shadow to see them (Then again, it might be counted as plus, as it means it consumes less power)

    Other: if you know what it's for and need it, get it.

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    • Overall
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      5
  • Cost X quality Good choice

    posted by fabecker on 10:53:46 G5T 14/05/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Product quality shows current and volts perfectly without any problems. Good quality of both connectors. Wrong measure is less than 2%. Do the job perfectly. I have being use for 8 months now almost dialy.

    Cons: Could have a mico switch turns on and off the device. Display could have in other colors than red.

    Other: Thanks Dx for this excellent product

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    • Overall
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    • Price:
      5
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  • quite usefull

    posted by okrauth on 16:33:37 G4T 01/04/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Great unit.. it is small and accurate. It is easy to read and provides at a glance how much power a USB accessory is using.

    Cons: I wish the connector was centered, sometimes you need to use a cable adapter to plug some USB accessories that are bulky. I wish there was away to manually control the voltage and amp display. The unit toggles automatically from one display to another

    Other: It is a good fair price, quite useful and very easy to use

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    • Overall
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      5
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      4
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      5
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  • Very useful & well-built

    posted by Cogitosus on 19:05:14 G1T 23/01/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: A simple layout with clear display of USB port volyage and current consumption. Could not be easier to use,

    Cons: The right-angled design may not fit a small number of USB ports. Because the device uses one set of digits to display voltage & currect alternately, it's not possible to monitor both simultaneously, so shourt spikes can be missed, but this is a minor point.

    Other: Very useful gadget to keep in the toolbox, extremely simple to use and good value for money.

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    • Overall
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      4
  • Great product! I love it!

    posted by gh0ti on 21:20:52 G1T 19/01/2014 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: You may have USB power supplies that produce <5 volts. Or some that fail to deliver the amperage they're rated for. I'm not 100% sure if the results this device produces are accurate, but it certainly has helped me isolate which of the many USB adaptors I should toss in the trash. Incredibly easy to use. It's simple, uncomplicated, does exactly what it's supposed to and nothing more.

    Cons: Because of its form factor, you may need to use this with a USB extension cable.

    Other: This is a must-have diagnostic tool for USB users. I wish I had found this device years ago. Would have helped me clear so much clutter.

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    • Overall
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