FNIRSI® FNAC-28 2-IN-1 Type-C USB Tester Digital Voltmeter Ammeter Power Bank Charger Measure
The FNIRSI FNAC-28 is a compact multi-interface USB tester engineered for precise monitoring of voltage, current, and power in USB-powered systems. Featuring a 1.06-inch full-color TFT LCD display with an ultra-wide viewing angle, it delivers clear real-time readouts of electrical parameters at a glance. The device integrates both USB-A and Type-C male and female connectors, enabling flexible inline measurement between chargers, cables, power banks, and connected loads without additional adapters. A high-performance external 16-bit ADC chip ensures measurement accuracy of ±(0.2‰+2) for voltage, current, and power readings across a monitoring range of 4-24VDC, 0-6.5A, and 0-156W, with a fine resolution of 0.001V, 0.001A, and 0.001W respectively.
Features:
- It features a full-color, ultra-wide viewing angle TFT LCD display and integrates multiple interfaces, including USB-A and Type-C male and female connectors, ensuring broad compatibility.
- Utilizing an external 16-bit ADC chip, it offers high measurement accuracy.
- This device can measure the power supply or consumption of USB interfaces, phone chargers, USB drives, and other products.
- It can also measure phone charging power, and the input and output conditions of power banks, and perform quick charge protocol testing for chargers.
Specifications:
| Parameter | Value |
|---|---|
| Brand | FNIRSI |
| Model | FNAC-28 |
| Screen | 1.06inch Full-Color TFT LCD |
| Monitored Voltage Range | 4-24V |
| Monitored Current Range | 0-6.5A |
| Monitored Power Range | 0-156W |
| Voltage Resolution | 0.001V |
| Current Resolution | 0.001A |
| Power Resolution | 0.001W |
| Voltage Accuracy | ±(0.2‰+2) |
| Current Accuracy | ±(0.2‰+2) |
| Power Accuracy | ±(0.2‰+2) |
| Temperature Accuracy | ±(1.2%+3) |
| ADC Type | 16-bit External |
| Interfaces | USB-A Male/Female, Type-C Male/Female |
| Bidirectional Detection | Yes |
| Supported Fast Charge Protocols | QC2.0, QC3.0, FCP, SCP, AFC, VOOC/WARP, SVOOC 1.0, SVOOC 2.0, PE-1.1, PE-2.0 |
| Toolbox Functions | Cable Resistance, DASH Cable Detection, Soft APPLE 2.4A |
| Waveform Display | Yes, Adjustable Time Base |
| Timing Groups | Yes, Multiple |
| Dimensions | 73x36x12mm |
Configuration:
Applications:
- Testing USB charger output voltage, current, and power under load conditions.
- Evaluating power bank input and output performance and charging efficiency.
- Verifying fast-charge protocol support and compatibility of chargers and mobile devices.
- Measuring USB cable internal resistance to identify faulty or low-quality charging cables.
- Monitoring smartphone and tablet charging power curves for performance analysis.
- Troubleshooting USB-powered devices and diagnosing power delivery issues.
- Testing DASH and VOOC fast-charging cable authenticity and performance.
- Research and development of USB-powered products and charging circuit validation.
- Quality control inspection of USB chargers, cables, and power banks in production.
Package Contents
- 1x FNIRSI FNAC-28 USB Tester.
- 1x User Manual.