USB Charger Doctor (Voltmeter Ammeter)
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020
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USB Charger Doctor (Voltmeter Ammeter)

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  • Product SKU: KG503
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Specification

Description

The "USB Charging Current Voltage Tester Detector USB Voltmeter Ammeter" is a device used to measure and display the voltage and current of USB charging ports. It's commonly used to monitor the charging parameters of various USB devices and chargers.

Here's an overview and some details about the USB charger doctor:

Voltage Measurement: The device is capable of measuring the voltage of the USB port it's connected to. This helps you determine the voltage level supplied by the USB charger or power source.

Current Measurement: The device can also measure the current flowing through the USB port. This is especially useful for monitoring the charging current being delivered to a device.

Dual Display: The device typically has a dual-display setup, showing both the voltage and current simultaneously.

Ammeter and Voltmeter: The "Ammeter" measures current in amperes (A), and the "Voltmeter" measures voltage in volts (V).

Detectable USB Devices: The device is designed to work with various USB devices, including smartphones, tablets, power banks, and other gadgets that can be charged through USB ports.

Usage: To use the USB tester, you plug it into the USB port you want to measure. Then, the display will show the current (in amperes) and voltage (in volts) being supplied to the connected device.

Applications: USB testers are commonly used by enthusiasts, technicians, and consumers who want to know the charging characteristics of their USB devices and chargers. It's helpful for diagnosing charging issues and understanding the performance of different chargers.

Variations:USB testers come in various designs and form factors. Some might have additional features like data transmission speed measurement, capacity measurement, and more.

Help! This patient is heating up!

Is the voltage too low? Is the current draw too high? Is there a doctor in the house? Oh, thank goodness, the USB Charger Doctor (Voltmeter Ammeter) is here! Right on time…Doctor, can you tell us what the current draw is? What about the voltage? Thanks to the Doctor, you will now be able to watch and care for your USB-powered projects.

Use the USB Charger Doctor to measure the working voltage and current output for any USB port and project. This blue plastic dongle plugs between a USB device and passes the data lines through. There’s a 0.05-ohm resistor in line with the power pin that is used to measure the current draw.

The Doctor’s digital display instantly reads the numbers out for testing devices such as chargers, cables, and cell phones. You can use this device from the 3.5-7VDC input voltage (although most USB devices tend to hover around 4.75 to 5.25) and up to 3A of current.

It flips between voltage and current readouts every 3 seconds or so. It’s a very handy tool for testing USB devices, checking load levels debugging battery chargers, and boosting converters. It’s a little chunkier but more numerical than our USB Power Gauge Mini-Kit. It’s also not open source so check out the USB Power Gauge mini kit if you want to hack together your own power gauge indicator.

 



Technical Details

  • Operating Voltage (VDC) : 3.5 ~ 7
  • Maximum Operating Current (A) : 3

Features

  • Compact 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
  • Detect any USB charger such as PC USB, home charger, car charger
  • The wide range of applications, any phone, any electronic product, easy to use
  • Suitable for factories, laboratories, and personal use

Physical Attributes

  • Color : Blue
  • Material : ABS
  • L x W x H (mm): 53 x 15 x 15
  • Weight (gm) : 16

Package Includes

  • 1 x USB Charger Doctor (Voltmeter Ammeter)

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