USB tester FNIRSI FNB58.

Product detailed description

The FNIRSI FNB58 USB tester is a multifunctional tool for testing and monitoring USB power ports. With this tester it is easy to find out the voltage, current and power to which the USB port being measured supplies energy. It is ideal for diagnosing and repairing USB ports on a variety of devices such as laptops, tablets, mobile phones and more. The tester features a 1.77" TFT graphic display with high resolution. The display is easy to find out the numerical charging values, the display can be easily switched for graphical representation of charging status changes, where the display is similar to an oscilloscope. For ease of use and reading the display is additionally equipped with 360° rotation.
The tester is a universal device and is equipped with standard ports that include USB-A, microUSB and USB-C. Its versatility also spawns the detection of various fast charging protocols such as QC2.0/QC3.0, Huawei FCP/SCP, Samsung AFC, PD2.0/3.0, VOOC/WARP, and Super VOOC 1.0/2.0... It uses a dedicated 16-bit ADC and chip for measurement.


Technical parameters:

- voltage measurement range: 4-28V
- current measurement range: 0-7A
- power measurement range: 0-120W
- uSB cable resistance measurement range: 0-9999.9ohm
- internal resistance measurement range: 0-9999.9ohm
- battery capacity measurement range: 0-9999.99Ah
- energy consumption measurement range: 0-9999.99Wh
- voltage measurement resolution: 0.00001V
- voltage measurement accuracy: ±(0.2‰+2)
- current measurement resolution: 0.00001A
- current measurement accuracy: ±(0.5‰+2)
- power measurement resolution: 0.00001W
- accuracy of power measurement: ±(0.5‰+2)
- display type: 2" TFT LCD
- measuring time: 99days 23h 59 min 59s
- measurement record: 99days 23h 59 min 59s
- dimensions: 82 × 42 × 13 mm
- weight: 45 g

For firmware updates, software and more, visit the manufacturer's website at www.fnirsi.com