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Read moreFNIRSI FNB-C2 USB Type-C PD 3.1 tester allows you to reliably and efficiently measure various power parameters for charger and cable diagnostics. The 20-bit ADC (ADC) guarantees highly accurate measurement of voltage, current and power with a resolution of 0.000001V/A/W. It can monitor voltage in the range of 4-50V, current 0-6.5A and power 0-240W, supporting high power charging scenarios of 100W/140W/240W.
It is designed to troubleshoot fast charging by supporting a large number of different protocols, including PD3.1 EPR compatibility. It is able to automatically detect and run major protocols such as UFCS, QC2.0/3.0/4/5, Huawei FCP/SCP, OPPO VOOC/SVOOC, and VIVO VFCP. Supports PD protocol monitoring and real-time packet capture for compatibility troubleshooting, as well as QC-PD conversion for device-to-device adaptation. The tester is also great for diagnosing USB-C cables with the ability to identify the E-Marker chip. Provides detailed information about 3A/5A/50V/EPR/TBT3/TBT4 cables, including type, power, length, baud rate, and version.
During the measurement, the device offers 10 group indicators for capacity, electricity and time statistics with support for automatic calculation of battery capacity and conversion efficiency. The curve recording function supports 9 hours of continuous recording of voltage and current curves with an adjustable data retention interval from 1 to 120 seconds. Built-in temperature monitoring with a resolution of 1℃ monitors the operating temperature in real time, reducing the risk of overheating during high power operation.
For ease of use, the tool is equipped with a 1.54-inch HD display capable of displaying 7-digit parameters. The built-in gravity sensor automatically rotates the screen under the influence of gravity in four directions. The HID PC port allows you to connect to a PC and update the firmware without the need for drivers. The screen brightness, auto-dimming, theme color and language can be adjusted systematically, and the settings can be reset with one click.
Parameters |
Range |
Resolution |
Accuracy |
| Voltage | 4-50V | 0.000001V | ±(0.2‰+2) |
| Current | 0-6.5A | 0.000001A | ±(0.5‰+2) |
| Power | 0-240W | 0.000001W | ±(0.5‰+2) |
| D+/D- voltage | 0-3.3V | 0.001V | ±(1.0‰+2) |
| CC1/CC2 voltage | 0-3.3V | 0.001V | ±(1.0‰+2) |
| Device temperature | °C | 1°C | ±(1.2‰+2) |
| Battery capacity | 0-9999.99Ah | 0.000001Ah | / |
| Energy | 0-9999.99Wh | 0.000001Wh | / |
| Recording time | 9 hours | 1 second | / |









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