FNIRSI Universele accutesters

FNIRSI FNB58 BT USB Port Tester with Bluetooth is an advanced diagnostic tool designed for monitoring USB power delivery, charging performance, and cable quality. It supports a wide range of fast-charging protocols, including PD 3.1, PPS, QC, SCP, AFC, and SuperVOOC, making it suitable for testing modern chargers and mobile devices. The high-resolution display provides real-time measurements of voltage, current, power, and charging behavior with exceptional precision. Bluetooth connectivity, offline data logging, and cable diagnostics make the FNB58 BT an ideal solution for technicians, electronics enthusiasts, and users who want detailed insight into charging performance.

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.