FNIRSI FNAC-28 USB-C USB-A 2-in-1 USB Tester
The FNIRSI FNAC-28 is a compact 2-in-1 USB tester with USB-A and USB-C support, designed for measuring voltage, current and power in chargers, cables and powerbanks. It features dual input ports for flexible testing and supports loads up to 6.5 A with bi-directional USB-C power measurement. A color OLED display provides real-time data with intuitive navigation. The device automatically detects major fast-charging protocols and supports cable testing, resistance measurement and load simulation. Built-in data logging and battery capacity testing functions make it suitable for diagnostics, testing and performance evaluation.
Equipped with a high-precision 16-bit ADC, the FNAC-28 ensures accurate measurement results, even under demanding load conditions of up to 6.5 A. The integrated OLED color display provides clear, real-time visualization of voltage, current and power values, supported by an intuitive control interface. The tester automatically identifies major fast charging protocols, including QC, AFC, SCP, FCP, Apple 2.4A, VOOC and PE standards, enabling immediate verification of charger compatibility and performance.
Additional functions include cable resistance measurement, load simulation and battery capacity testing with data logging for multiple measurement sets. Advanced display modes allow graphical analysis of voltage, current and signal line behaviour, supporting deeper diagnostics of power stability and transmission quality. Adjustable system settings, including brightness control and standby timing, further enhance usability, making the FNAC-28 a versatile tool for both professional and advanced user applications.
Performance highlights:
• USB-A and USB-C dual interface tester
• Measures voltage, current and power in real time
• Supports up to 6.5 A load with bi-directional USB-C testing
• 16-bit ADC for high-precision measurements
• Automatic detection of major fast charging protocols
• Cable testing, resistance measurement and load simulation
• OLED color display with graphical analysis modes
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