Introduction
The YOJOCK USB C Tester Power Meter (Model YJ-TC01) is a versatile digital multimeter designed to accurately measure various parameters of USB-C devices. This device allows users to monitor voltage, current, capacity, electric quantity, power, temperature, resistance, and charging time. It is an essential tool for quality inspection of 3C digital peripheral products, catering to digital enthusiasts and professionals alike.
Image: The YOJOCK USB C Tester Power Meter, showcasing its compact design and display.
Safety Information
- Do not disassemble or modify the device. Unauthorized modifications can lead to malfunction or electric shock.
- Keep the device away from water, moisture, and extreme temperatures.
- Avoid dropping or subjecting the device to strong impacts.
- Ensure proper connection of the USB-C ports to avoid damage to the tester or connected devices.
- Use within the specified voltage (4V-30V) and current (0-6.5A) ranges to prevent damage.
Package Contents
Verify that all items are present in the package:
- 1 x YOJOCK USB C Tester Power Meter (Classic Version)
- 1 x User Manual (Printed)
Image: The YOJOCK USB C Tester and its accompanying user manual, as found in the product packaging.
Product Overview
The YOJOCK USB C Tester features a compact design with a clear digital display and a flexible USB-C cable for ease of use. It incorporates an antioxidant input port for enhanced durability.
Image: Close-up view of the YOJOCK USB C Tester highlighting its antioxidant input port and durable cable design.
Display Interface
The tester's display provides real-time data. The main screen shows Voltage (V), Current (A), Capacity (mAh), Current Direction, Current Time, Power (W), Resistor (Ω), Energy (mWh), and Temperature (°C).
Image: Detailed diagram explaining the various data points displayed on the YOJOCK USB C Tester's screen, including voltage, current, power, capacity, and temperature.
Setup
- Connect to Power Source: Plug the male USB-C connector of the tester into a USB-C power source (e.g., wall charger, power bank, computer USB-C port).
- Connect Device: Plug the USB-C cable of the device you wish to test into the female USB-C port on the tester.
- Power On: The tester will automatically power on and display real-time data once a connection is established and power flows through it.
Image: The YOJOCK USB C Tester connected between a wall charger and a smartphone, demonstrating a typical setup for monitoring charging parameters.
Operating Instructions
Monitoring Charging Status
Once connected, the tester will immediately begin displaying real-time voltage, current, and power readings. The accumulated capacity (mAh) and energy (mWh) will also be shown, providing insight into the total charge transferred over time.
Image: The YOJOCK USB C Tester actively monitoring the charging status of a laptop from a power bank, displaying real-time data on its screen.
Button Functions
The single button on the tester provides multiple functionalities:
- Single Click: Cycles through different display screens, showing various data sets or views.
- Double Click: Rotates the displayed content on the screen, allowing for easier viewing from different angles.
- Press and Hold (3 seconds): Clears all accumulated capacity (mAh), electric quantity, and time data. This is useful for starting a new measurement cycle.
Image: A hand demonstrating the single button operation on the YOJOCK USB C Tester, illustrating how to interact with the device's functions.
Fast Charging Protocol Detection
The Type-C USB tester supports various fast charging protocols, including QC2.0/3.0/4.0 and Super VOOC. Please note that the specific name of the fast charging protocol will not be displayed on the USB tester's screen.
Image: The YOJOCK USB C Tester connected to a power strip and a smartphone, indicating its capability to test various fast charging protocols like HUAWEI FCP/SCP, Android/SAMSUNG DCP/AFC, and APPLE QC2.0, 3.0.
Power-Off Storage Function
The tester features a power-off storage function that retains capacity and energy data even when the mobile power source is turned off. This allows for convenient viewing of accumulated data later, particularly useful for measuring the capacity and energy consumption of mobile power banks.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners or solvents.
- Storage: Store the tester in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Handle the device and its connectors with care to prevent physical damage.
Image: The YOJOCK USB C Tester showing a protective film on its screen, indicating the importance of maintaining the display for clear readings.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display/Device not powering on | No power input; Loose connection; Damaged device. | Ensure the tester is properly connected to a working power source. Check all cable connections. Try with a different power source or cable. |
| Inaccurate readings | Poor connection; Device malfunction; Out of specified range. | Reconnect the tester and device. Ensure the voltage and current are within the 4V-30V and 0-6.5A range. If issues persist, the device may be faulty. |
| Screen frozen or unresponsive | Temporary software glitch. | Disconnect the tester from all power sources for a few seconds, then reconnect. |
| Cannot clear data | Button not pressed long enough. | Ensure you press and hold the button for at least 3 seconds until the data resets. |
Specifications
- Model: YJ-TC01 (Classic Version)
- Measuring Voltage: 4V-30V
- Measuring Current: 0-6.5A
- Functions: Voltage, Current, Capacity, Electric Quantity, Power, Temperature, Resistance, Charging Time detection.
- Fast Charging Protocols Supported: QC2.0/3.0/4.0, Super VOOC (protocol name not displayed).
- Data Storage: Power-off storage function for capacity and energy data.
- Dimensions: Approximately 56.8mm (Length) x 25.8mm (Width) x 143.5mm (Cable Length)
- Item Weight: 40 Grams
- Color: Black/Silver
- Power Source: USB
Image: Diagram illustrating the physical dimensions of the YOJOCK USB C Tester, including its length, width, and cable length.
Warranty and Support
For warranty information and customer support, please refer to the official YOJOCK website or contact the seller directly through your purchase platform. Keep your proof of purchase for any warranty claims.
Manufacturer: YOJOCK
Official Brand Store: Visit the YOJOCK Store on Amazon
