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  • Measuring voltage and current using the FNIRSI FNAC-28 tester
  • FNIRSI FNAC-28 – USB Type-C Tester with Voltage & Current Display
  • FNIRSI FNAC-28 – USB Type-C Tester with Voltage & Current Display
  • FNIRSI FNAC-28 – USB Type-C Tester with Voltage & Current Display
  • FNIRSI FNAC-28 – USB Type-C Tester with Voltage & Current Display
  • FNIRSI FNAC-28 – USB Type-C Tester with Voltage & Current Display

FNIRSI FNAC-28 – 2-in-1 USB Type-C Tester / Voltmeter / Ammeter

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FNIRSI FNAC-28 – 2-in-1 USB Type-C Tester / Voltmeter / Ammeter

Real-time voltage, current & power monitoring with fast charging support

FNIRSI FNAC-28 is a compact USB tester capable of measuring voltage (4–24 V), current (up to 6.5 A), and power (up to 156 W) in real time. It features a 1.06" color TFT display and supports various fast charging protocols, including QC2.0, QC3.0, FCP, SCP, AFC, VOOC/WARP, and SVOOC 1.0/2.0. With bidirectional current measurement, Type-A and Type-C input/output ports, cable resistance testing, and user-adjustable display settings, it’s a powerful diagnostic tool for power banks, chargers, and USB cables.

Product Features

  • ● Voltage measurement: 4–24 V with 0.001 V resolution
  • ● Current measurement: 0–6.5 A with 0.001 A resolution
  • ● Power measurement: up to 156 W (0.001 W resolution)
  • ● Supports fast charge protocols: QC2.0, QC3.0, FCP, SCP, AFC, VOOC/WARP, SVOOC
  • ● Bidirectional current flow measurement (USB-A and USB-C)
  • ● Cable resistance test and Apple 2.4A / DASH simulation
  • ● Adjustable screen brightness and standby timer
  • ● Temperature readout in °C/°F
  • ● Interface languages: English and Chinese
  • ● Firmware upgradeable

Technical Specifications

  • ● Model: FNAC-28
  • ● Display: 1.06" color TFT LCD
  • ● Voltage range: 4–24 V (accuracy: ±0.2‰ + 2)
  • ● Current range: 0–6.5 A (accuracy: ±0.2‰ + 2)
  • ● Power range: up to 156 W (accuracy: ±0.2‰ + 2)
  • ● Protocols supported: QC2.0, QC3.0, FCP, SCP, AFC, VOOC/WARP, SVOOC
  • ● Cable resistance testing: supported
  • ● Dimensions: 73 × 36 × 12 mm
  • ● Weight: 21 g
  • ● Languages: English, Chinese

Package Contents

  • ● 1× FNIRSI FNAC-28 USB Tester
  • ● 1× User Manual
  • ● 1× Retail Box

FAQ

Frequently Asked Questions about FNIRSI FNAC-28 (USB Tester with Fast Charge Trigger and Power Parameter Measurement)

Measurement of voltage, current, and power
Detection and triggering of fast charge protocols (QC2.0/3.0, PD2.0/3.0, FCP/SCP, AFC, VOOC/WARP, Super VOOC 1.0/2.0)
Cable resistance measurement using differential method
E-Marker chip reading and DASH cable data reading
Simulation of APPLE 2.4A and DASH cables
Data recording with storage of up to 5 sets
Waveform display with pause capability

Voltage: 4–24 V
Current: 0–6.5 A
Power: 0–156 W
Internal resistance: 0–9999.9 Ω
Capacity: 0–9999.99 Ah
Energy: 0–9999.99 Wh
Accuracy: ±(0.2‰ + 2)

Display: 1.06" color TFT LCD
Interfaces: USB-A, USB-C
Dimensions: 73 × 36 × 12 mm
Weight: 21 g
Language support: English and Chinese
Firmware upgradeable

Yes, it supports parameter recording with storage of up to 5 data sets
Supports waveform display with pause capability

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Yes, it supports automatic detection and triggering of QC2.0/QC3.0, FCP/SCP, AFC, PD2.0/3.0, VOOC/WARP, Super VOOC 1.0/2.0 protocols

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