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โก Power up your tech IQ with FNIRSIโs ultimate USB tester!
The FNIRSI FNB58 USB Tester is a professional-grade multimeter designed for precise USB voltage, current, and power measurement across USB-A, Micro-USB, and Type-C interfaces. Featuring a vibrant 2.0-inch TFT display and a 16-bit ADC, it supports fast charge protocol detection including PD3.0 and QC3.0, with advanced data logging and cable diagnostics. Ideal for tech-savvy professionals demanding accuracy and comprehensive USB device testing.
| ASIN | B0BJ253W31 |
| Best Sellers Rank | 397,650 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,014 in Multi Testers |
| Brand | FNIRSI |
| Colour | black |
| Compatible Devices | USB interfaces, mobile phone chargers, U disks, mobile phones, mobile power supplies, USB-A, Micro-USB, Type-C devices from various brands |
| Customer Reviews | 4.4 out of 5 stars 676 Reviews |
| Included Components | USB Tester |
| Item Weight | 45 g |
| Item weight | 45 g |
| Manufacturer | FNIRSI |
| Manufacturer Part Number | FNIRSI-001 |
| Maximum Operating Voltage | 28 Volts |
| Measurement Type | Voltmeter, Ammeter, Ohmmeter |
| Min. Operating voltage | 4 Volts |
| Minimum Operating Voltage | 4 Volts |
| Model Number | FNIRSI-001 |
| Power Source | Corded Electric |
| Power source | Corded Electric |
| Specification Met | IEC 1010, UL |
| Style | Modern |
| Style Name | Modern |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 40 Degrees Celsius |
W**N
nรฃo tem bluetooth
Produto de excelente qualidade, รณtimo acabamento e muito preciso
E**E
Excelente , cumple con lo publicado,
Excelente , cumple con lo publicado,
B**P
Top in the market
Excellent product
T**O
Excellent USB-C cable and charger diagnostic
It's not perfect.. it has bugs, quirks, and inexplicable interactions, but --- once you figure out how to test the things that matter to you, it's very repeatable and clear. Specifically, it can read the Chip ID in USB-C cables, and show all the available power modes in USB-C PD, on a nice color built-in screen. That's nice. You can see the finer details of PD packet exchange as well, but this was less reliable. For testing batteries and other sources, it has a convenient "Trigger" function that can request any voltage or current from your supply, with a nice physical Switch that engages or disengages the "active" part. Switched off, the device is pass-through only and zero risk. Switched ON, you have a lot of direct control over voltage, and of course, risk. You want to put 20v on a USB-A socket? You can! I find the device is best to use when it's plugged into its own independent Micro-USB power source (5v, low current), because then it's not constantly turning off and on with your devices under test. It's easy to crash the device when messing with USB-PD packets, or even have it just beep nonstop until you pull power. The firmware could use some work. Some functions are duplicated or confusing (how many different trigger menus do you need?) but hey, it's affordable for DIY hobby work and comes in a nice well-made housing with an excellent screen for cheap. Unfortunately, the company web site is terrible, hosted on some Mediaflare thing that runs out of bandwidth, so downloading the firmware updates is way more hassle than it should be. They need to up their game, put up a professional site, and host their own files.
A**R
Best for price, better than impoprting.
Best for price, works as intented. Make sure to use input for input only, and same for output. Flickers a bit when undervolted. Firmware update make sit work more good. Bluetooth app by FNIRSI works only after GPS is turned on and pairs only via app. Its weird n unnecessary yet ok. Accuracy is fine maybe 1-2% vary.
Trustpilot
1 month ago
2 weeks ago