Description
Description
The USB Charger Doctor is a compact USB power monitoring tool designed for measuring voltage and current in USB-powered devices and charging systems. Installed inline between a USB power source and the connected device, it provides real-time measurements through a built-in digital display. With support for voltage measurements from 3V to 7.5V and current measurements up to 2.5A, it is ideal for evaluating USB chargers, cables, power banks, smartphones, and development projects. Its low-resistance current sensing design ensures accurate measurements without requiring an external power supply.
Features
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Real-time USB voltage and current monitoring
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Measures USB current up to 2.5A
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Measures USB voltage from 3V to 7.5V
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Inline USB testing design
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No external power supply required
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High-resolution voltage measurement
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High-resolution current measurement
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Low-resistance current sensing circuit
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Suitable for charger performance testing
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Ideal for USB cable evaluation
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Compatible with power banks and USB devices
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Fast and accurate digital readout
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Compact plug-and-play design
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Useful for electronics development projects
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Portable diagnostic tool
Specifications
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Voltage Measurement Range: DC 3.07.5V
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Current Measurement Range: DC 02.5A
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Voltage Accuracy: <1%
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Current Accuracy: <2%
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Voltage Resolution: 10mV
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Current Resolution: 1mA
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Current Sensor Resistance: 0.05
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Full Scale Voltage Drop: 200mV
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Power Supply: Self-Powered from USB Source
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Connection Type: USB Inline Tester
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Display Type: Digital Display
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Measurement Method: Real-Time Monitoring
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Compatible Devices: USB Chargers, Phones, Power Banks, USB Cables
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Installation: Plug-and-Play
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Application: USB Power Testing and Diagnostics

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