USB Charger Doctor Inline Current and Voltage Meter Tester

USB Charger Doctor Inline Current and Voltage Meter Tester is an essential diagnostic tool for anyone who uses or works with USB-powered devices. This compact, plug-and-play device allows you to instantly monitor the voltage and current flowing through any USB connection. By simply plugging it between your power source (like a charger or power bank) and your device, you can quickly diagnose common charging issues, identify faulty cables, and verify the true output performance of your power adapters. It’s a must-have tool for troubleshooting and ensuring your electronics receive a stable and healthy power supply.

Key Features:

• Dual Display: Simultaneously shows both voltage (in Volts) and current (in Amps) on a single, easy-to-read LED display.
• Inline Design: Operates as a pass-through device, making it effortless to test any USB port or cable without complex setup.
• Wide Compatibility: Works with a variety of USB charging protocols, including USB 2.0, 3.0, and fast-charging standards.
• Simple Operation: Requires no external power supply or software; you simply plug it in to start monitoring.
• Real-Time Monitoring: Provides live data on charging status, helping you quickly identify slow or interrupted charging.
• Durable Casing: Features a robust plastic housing that protects the internal electronics from daily use.

Technical Specifications:

• Voltage Measurement Range: 3.5 V to 7 V (typical range)
• Current Measurement Range: 0 A to 3 A (typical range)
• Measurement Accuracy: ±1% (typical)
• Display: Red or Blue LED segment display
• Input/Output: USB-A Male (Input) and USB-A Female (Output)

Mechanical Specifications:

• Module Type: Inline USB tester with embedded electronics
• Connector: Standard USB Type-A
• Assembly: Fully enclosed in a durable plastic shell
• Material: ABS plastic casing

Dimensions:

• Length: ~52 mm
• Width: ~20 mm
• Thickness: ~15 mm

Pinout and Wiring:

• USB Male (Input): Connects to a power source like a wall charger, power bank, or computer port.
• USB Female (Output): Connects to your device’s charging cable.
• Wiring Note: This is a pass-through device. No complex wiring is needed. Simply plug the male end into your power source and the female end into your charging cable. The device automatically powers on and displays the voltage and current.

Datasheet Reference:

• Generic USB tester modules do not have a formal datasheet. Please refer to the user manual or product guide provided by the manufacturer for specific operation details.

Applications:

• Charging Diagnosis: Test if your smartphone or tablet is charging correctly.
• Cable Testing: Verify if a USB cable is faulty or causing a slow charge.
• Power Bank Testing: Check the real output voltage and current of a power bank.
• DIY Projects: Monitor the power consumption of your USB-powered electronics projects.
• Troubleshooting: Identify an underperforming or defective USB charger.

Equivalent Models:

• KWS-V20: A similar model often found with a multi-function display.
• UM24C: A more advanced USB tester that includes a detailed LCD screen, data logging, and Bluetooth connectivity.

Package Includes:

• 1 x USB Charger Doctor Inline Current and Voltage Meter Tester