The FNB58 USB tester (with Bluetooth) is a comprehensive and very accurate USB voltage and current meter. It features a 2.0-inch full-color HD TFT display, built-in USB-A, micro USB and USB-C interface. With this device you can measure the power supply or power consumption of products or the charging power of cell phones and power supplies. You can also determine the fast charging protocol of chargers.
Voltage range | 4-28 V |
Current range | 0-7 A |
Power range | 0-120 W |
Load equivalent internal resistance | 0-9999.9 Ω |
D+/D- voltage | 0-3.3 V |
Capacity | 0-9999.99 Ah |
Power consumption | 0-9999.99 Wh |
Cable resistance | 0-9999.9 Ω |
Interfaces | micro USB, USB-A, USB-C |
Dimensions | 42 x 13 x 82 mm |