FNIRSI FNAC-28 Type-C USB Digital Multimeter and Power Tester

The FNIRSI FNAC-28 is a compact USB and Type-C digital tester designed for measuring voltage, current, and power delivery across chargers, cables, and power banks. Built with a 1.06-inch colour screen and a 16-bit ADC, it provides real-time monitoring and fast-charging protocol detection. It is ideal for electronics hobbyists, makers, and students troubleshooting USB-powered hardware and testing power supplies.

High-precision bidirectional power monitoring

Equipped with an external 16-bit ADC, the tester monitors voltage from 4V to 24V and bidirectional current up to 6.5A with power tracking up to 156W. It accurately measures both power supply delivery and device power consumption across USB-A and Type-C interfaces.

Fast charging protocol detection and triggering

The device features automatic detection and triggering for a wide variety of fast charging standards including QC2.0, QC3.0, FCP, SCP, AFC, VOOC, WARP, and SVOOC 1.0/2.0. This allows users to test charger handshakes and ensure proper fast-charging operation.

Cable testing and waveform analysis

Using the differential pressure method, the FNAC-28 measures cable internal resistance and can read DASH cable information. It also supports Apple 2.4A and DASH simulation, alongside a curve display with adjustable time base and waveform pause functionality for detailed analysis.

Data storage and display features

The unit stores up to 5 sets of measurement data for battery capacity testing and features a 1.06-inch colour screen with brightness adjustment and standby timer settings. It also includes firmware upgrade support and switchable Celsius and Fahrenheit temperature display.

Downloads

• User Manual