The FNIRSI C1 is a specialized USB-C power meter that bridges the gap between portability and professional diagnostics. Unlike standard testers that use bulky USB-A ports, the C1 is a straight-through Type-C design. It features a high-definition 1.3-inch colour LCD and uses a dedicated 16-bit ADC chip to deliver $0.00001$ resolution. Whether you are a developer working on PD (Power Delivery) firmware or a hobbyist checking your phones charging speed, the C1 provides elite-level data in a pocket-sized form factor.
Native USB-C Design: Male-to-Female Type-C ports ensure minimal signal loss and support for high-wattage Power Delivery.
Bluetooth Data Logging: Connect to the mobile app or PC software to record charging curves and analyze battery performance wirelessly.
PD Protocol Specialist: Advanced triggering and detection for PD 2.0/3.0, PPS, QC 2.0/3.0, FCP, and SCP.
Bi-Directional Testing: Can measure current in both directionsperfect for testing power banks that both charge and discharge through the same port.
Cable E-Marker Reader: Instantly identify the chips inside your USB-C cables to see if they actually support 100W or high-speed data.
Independent Power Supply: Features a Micro-USB HID port to power the tester independently, allowing you to measure from $0V$ without the tester shutting down.
| Feature | Specification |
| Voltage Range | 4.00V 24.00V (Res: 0.00001V) |
| Current Range | 0.00A 6.50A (Res: 0.00001A) |
| Power Range | 0W 156W |
| Display | 1.3 Inch TFT Color LCD |
| Interface | Type-C (Male) to Type-C (Female) |
| Data Ports | Bluetooth (App) + Micro-USB (PC HID) |
| Offline Record | 10 Groups of Capacity Data |
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The FNIRSI C1 BT is a specialized USB-C power meter designed for the modern electronics ecosystem. Unlike bulky testers that rely on USB-A adapters, the C1 features a straight-through Type-C design that minimizes signal loss and interference. With its vibrant 1.3-inch color LCD and integrated Bluetooth, you can monitor real-time charging curves, trigger high-voltage PD profiles, and identify the quality of your cables directly from your smartphone or PC.
Native Type-C Specialist: Designed specifically for USB-C to USB-C testing. No extra cables or adapters required to test modern PD devices.
Bluetooth Connectivity: Wirelessly sync with the Android App or PC software for real-time graphing, data logging, and long-term capacity testing.
PD Protocol Master: Advanced triggering for PD 2.0/3.0, PPS, QC 2.0/3.0, FCP, and SCP.
6-Digit Accuracy: Uses a dedicated 16-bit ADC chip to deliver incredible resolution ($0.00001$ for voltage and current).
E-Marker Reader: Instantly check if your USB-C cable has an E-marker chip and see its rated wattage ($60W$ vs $100W/240W$).
Independent Power Supply: Includes a Micro-USB HID port to power the tester independently, allowing you to measure from $0V$ without the device shutting down.
| Feature | Specification |
| Voltage Range | 4.00V 24.00V (Res: 0.00001V) |
| Current Range | 0.00A 6.50A (Res: 0.00001A) |
| Power Range | 0W 156W |
| Display | 1.3 Inch TFT Color LCD |
| Interface | USB-C Male (Input) to USB-C Female (Output) |
| Connectivity | Bluetooth (App) + Micro-USB (PC HID Port) |
| Internal Resistance | Approx. $30ext{ m}\Omega$ |
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