HKD USB Dual Current & Voltage Detector 3-9V 0-3A Portable Tester

The HKD USB Dual Current Voltage Detector is a compact and practical tool designed to measure and monitor the performance of USB ports, chargers, and connected devices. With a measuring range of DC 3V-9V and 0-3A (up to 5A overload), it allows users to easily check voltage and current levels to ensure safe and efficient charging.Equipped with a bright, easy-to-read digital display, the device shows voltage and current alternately, making it convenient for quick diagnostics. It is ideal for testing USB terminals, verifying whether USB ports are active, checking battery charging status, and ensuring current does not exceed safe limits.Lightweight and portable, the detector requires no additional power supply, making it perfect for use at home, in the office, or on the go. Its precision calibrator and low line loss of just 0.1 ohm ensure accurate readings with a deviation of only 1%.

Features:
Measures USB voltage and current simultaneously
Bright, clear display for easy monitoring
Supports both no-load and overload testing
Compact, lightweight, and portable design
Detects USB port activity and cable quality
Data calibration and communication functions for accuracy
Compatible with USB2.0 and USB3.0 interfaces

Specifications:
Voltage Measuring Range: 3V-9V DC
Voltage Accuracy: 0.01V
Current Measuring Range: 0-3A (up to 5A)
Current Accuracy: 0.01A
Deviation: 1%
Line Loss: 0.1 ohm
Functions: Voltage Current Testing
Interface: USB2.0 / USB3.0
Power Supply: Self-powered via USB

The HKD USB Dual Current Voltage Detector is an essential gadget for anyone working with USB-powered electronics, ensuring safe charging, efficient troubleshooting, and accurate performance testing.

What's in the box
1 x HKD USB Dual Current & Voltage Detector 3-9V 0-3A Portable Tester