Features

20-bit High-Precision ADC Measurement: Adopts an external 20-bit high-precision ADC chip, supporting 7-digit display for voltage, current and power with a resolution of 0.000001V/A/W and lab-grade accuracy.
Wide Range of Measurement Metrics: Enables monitoring of 4~50V voltage, 0~6.5A current and 0~240W power, compatible with 100W/140W/240W high-power charging scenarios.
PD3.1 and Multi-Protocols Compatibility: Fully supports PD3.1 EPR protocol with external physical chip for PD communication, realizing stable and safe fast-charging protocol interaction.
Comprehensive Fast-Charging Protocol Detection: Automatically detects and triggers mainstream protocols including UFCS, QC2.0/3.0/4/5, Huawei FCP/SCP, OPPO VOOC/SVOOC and VIVO VFCP.
USB-C E-Marker Chip Identification: Reads detailed information of 3A/5A/50V/EPR/TBT3/TBT4 cables such as type, power, length, transmission speed and version.
Double-Mode Ripple and Waveform Testing: Supports low-speed waveform drawing (2sps~1Ksps) for voltage/current/D+/D- and high-speed ripple testing (20Ksps~2Msps) for AC-coupled voltage.
Real-Time VBUS Waveform Monitoring: Displays USB power bus voltage waveform with adjustable frequency from 20.0KHz to 2.0MHz for intuitive power stability judgment.
PD Protocol Monitoring and Packet Capture: Captures real-time PD protocol negotiation data between charging and powered devices to troubleshoot charging compatibility issues.
QC to PD Protocol Conversion: Realizes adaptation between QC-only devices and PD-dominant chargers to improve fast-charging compatibility across different protocols.
Multi-Group Energy and Capacity Statistics: Provides 10 switchable sets for capacity, electricity and time statistics, supporting automatic calculation of battery capacity and conversion efficiency.
Long-Time Curve Recording Function: Enables 9-hour continuous recording of voltage and current curves with customizable data saving interval of 1~120 seconds and adjustable start/end rules.
Bidirectional Current USB-C Interface: Equips standard USB-C 24-PIN male and female ports with USB 4 Gen3 features, supporting bidirectional current and reversible insertion.
Onboard Temperature Real-Time Monitoring: With 1℃ resolution, it monitors the device's working temperature in real time to prevent high-temperature risks during high-power operation.
HD Display with Gravity Sensor Rotation: Features a 1.54-inch 240×240 TFT-LCD screen and built-in gravity sensor supporting 4-directional automatic screen rotation for all interfaces.
Driver-Free PC Connection and Upgrade: HID PC port is compatible with Windows/Mac OS without drivers, supporting function expansion and one-click firmware upgrade via USB disk recognition.
USB-C Cable Simulation Test: Simulates various cable configurations such as NO E-marker(60W), 20V5A(100W) and 50V5A(240W,EPR) to test charging performance under different conditions.
Customizable Device System Settings: Supports adjustment of screen brightness, auto dim, theme color and language, with one-click reset of all settings to factory defaults.

Specifications

✦ Accuracy: ±(a%(‰) of reading + N digits)

Model

FNIRSI-C2

ADC

20-Bit

Monitoring Voltage

Range: 4 ~ 50V
Resolution: 0.000001V
Accuracy: ±(0.2‰+2)

Monitoring Current

Range: 0 ~ 6.5A
Resolution: 0.000001A
Accuracy: ±(0.5‰+2)

Monitoring Power

Range: 0 ~ 240W
Resolution: 0.000001W
Accuracy: ±(0.5‰+2)

D+/D− Voltage

Range: 0 ~ 3.3V
Resolution: 0.001V
Accuracy: ±(1.0%+2)

CC1/CC2 Voltage

Range: 0 ~ 3.3V
Resolution: 0.001V
Accuracy: ±(1.0%+2)

Device Temperature

Range: ℃
Resolution: 1℃
Accuracy: ±(1.2%+3)

Capacity

Range: 0 ~ 9999.99Ah
Resolution: 0.00001Ah

Energy Consumption

Range: 0 ~ 9999.99Wh
Resolution: 0.00001Wh

Recording Time

Range: 9 h 0 m 0 s
Resolution: 1 s

Package List:

◉ FNIRSI-C2 USB-C Tester *1
◉ Gift Box *1
◉ User Guide *1

USB Tester

Price

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