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FNIRSI USB Voltage and Current Meter Tester

4.5
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FNIRSI USB Voltage and Current Meter Tester
Save R550 Top Rated

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The Story

The FNIRSI FNAC-28 is a versatile USB voltage and current meter that also functions as a quick charge trigger device. It features bidirectional high current detection up to 6.5A, high-precision measurement with a 16-bit ADC, and supports multiple fast charging protocols including QC2.0/QC3.0, FCP/SCP, AFC, VOOC/WARP, and SVOOC. With a full-color TFT LCD display and cable resistance measurement, it's an essential tool for testing USB power sources, chargers, and cables.

add_circle The Upside

  • check Accurate measurements with high-resolution ADC
  • check Wide compatibility with USB-A and Type-C interfaces
  • check Useful for diagnosing charging issues and testing cables

remove_circle The Downside

  • close Limited to 24V input voltage, not suitable for higher voltage applications
  • close May require some technical knowledge to interpret all data
  • close No Bluetooth or wireless connectivity for data logging

Specifications & features

Key features

  • check_circle Bidirectional current detection up to 6.5A
  • check_circle High-precision 16-bit ADC for accurate voltage and current measurement
  • check_circle Supports QC2.0/QC3.0, FCP/SCP, AFC, VOOC/WARP, SVOOC fast charging protocols
  • check_circle Cable internal resistance measurement and simulation
  • check_circle Full-color TFT LCD display with curve and waveform analysis

Specifications

ADC Resolution

16-bit

Display

Full-color TFT LCD

Interfaces

USB-A, Type-C (male and female)

Monitored Current

0~6.5A

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