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Fnirsi USB-Tester

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Product details

The FNIRSI FNAC-28 is a multifunctional USB tester that offers both USB-C and USB-A ports. This compact meter is designed to perform voltage, current and power monitoring and supports various fast charging protocols. It is ideal for testing chargers, cables, power banks and other USB-powered devices. With two separate measurement inputs, the FNAC-28 enables simultaneous testing of the charging parameters of different devices and cables, making it a flexible tool for various applications. The integrated colour OLED display shows all relevant information in real time, so that voltage, current and current power can be seen at a glance. The intuitive menu navigation and user-friendly control buttons make handling much easier. In addition, a high-quality 16-bit analogue-to-digital converter ensures precise measurements, while the USB-C port supports bidirectional current flow, enabling comprehensive analysis of current transmission.

Key specifications

Multimeter type
Handheld multimeter
multimeter technology
Digital
voltage type
AC/DC

General information

Item number
64629875
Manufacturer
Fnirsi
Category
Multimeter
Manufacturer No.
FNAC-28
Release date
27.10.2025
Sales rank in Category Multimeter
5 of 3297

Colour

Colour
Multicoloured
Exact colour description
Black

Material

Material group
Plastic

Multimeter Features

Multimeter type
Handheld multimeter
multimeter technology
Digital
display type
Digital
Interfaces / communication module
USB

Metrology

voltage type
AC/DC
current type
AC/DC

Origin

Country of origin
Poland

Voluntary climate contribution

CO₂ emissions
15.33 kg
Climate contribution
CHF 0.37

Package dimensions

Length
11.90 cm
Width
5.60 cm
Height
3.90 cm
Weight
59 g

30-day right of return
24 Months Warranty (Bring-in)
1 additional offer

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Multimeter» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • Fnirsi
    Not enough data
  • 1.StarTech
    0 %
  • 2.Beha Amprobe
    0.2 %
  • 2.Bosch Professional
    0.2 %
  • 2.CSL
    0.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Fnirsi
    Not enough data
  • 1.LogiLink
    0 days
  • 1.Yato
    0 days
  • 3.Joy-it
    1 day
  • 4.Fluke
    2 days

Return rate

How often is a product of this brand in the «Multimeter» category returned?

Source: Digitec Galaxus
  • 6.Max Hauri
    0.7 %
  • 7.Delock
    0.9 %
  • 8.Fnirsi
    1 %
  • 9.Bosch Professional
    1.1 %
  • 9.Goobay
    1.1 %
Source: Digitec Galaxus