1. Introduction
The KWS-2302C is a versatile Type-C Current and Voltage Monitor designed for real-time measurement and monitoring of various electrical parameters. It features a 0.96-inch TFT high-definition display and supports bidirectional current testing, making it ideal for testing charging devices such as chargers, power banks, and mobile phones. This manual provides detailed instructions for its setup, operation, and maintenance.
Figure 1: KWS-2302C Type-C Current and Voltage Monitor
2. Product Features
- Display: 0.96-inch TFT high-definition display screen.
- Real-time Monitoring: Displays voltage, current, power, capacity, electrical energy, timing, and CPU temperature.
- Bidirectional Current Testing: Supports testing current flow in both directions.
- Fast Charging Support: Compatible with various fast charging protocols including PD2.0, 3.0, PPS, QC2.0, 3.0, FCP, SCP, AFC, PE, DASH, VOOC, Super VOOC.
- Intelligent Recognition: Records maximum power, maximum voltage, and maximum current for a single event.
- Data Saving: Supports power-off data saving to retain measurement records.
- Screen Rotation: Double-click the button to rotate the screen display for convenience.
- Compact Design: Mini and portable with an integrated aluminum alloy shell.
Figure 2: Intelligent Detection Features
3. Setup and Connection
The KWS-2302C is designed for simple plug-and-play operation with Type-C devices.
3.1 Connecting to a Charging Device
- Connect the male Type-C end of the KWS-2302C to the power output source (e.g., charger, power bank, computer's Type-C port).
- Connect your device (e.g., mobile phone, laptop) to the female Type-C port of the KWS-2302C.
- The display will automatically light up and begin showing real-time measurement data.
Figure 3: Connecting for Bidirectional Current Test
3.2 Connecting to a Power Bank for Capacity Recording
- Connect the male Type-C end of the KWS-2302C to the output port of your power bank.
- Connect your mobile phone or other device to the female Type-C port of the KWS-2302C.
- The monitor will display charging parameters and record the capacity transferred.
Figure 4: Mobile Phone Charging Measurement and Power Bank Capacity Record
3.3 Connecting to a Laptop for Charging Capacity Recording
- Connect the male Type-C end of the KWS-2302C to the Type-C charging port of your laptop.
- Connect the laptop's charger to the female Type-C port of the KWS-2302C.
- The device will monitor the charging input to the laptop and record capacity.
Figure 5: Computer Charging Capacity Recording
4. Operating Instructions
The KWS-2302C features a single button for controlling its display functions.
4.1 Displaying Parameters
Once connected, the device will automatically display real-time data including voltage (V), current (A), power (W), timing (T), and accumulated capacity (mAh).
4.2 Changing Display Pages
Single Click: Press the button once to cycle through different display pages. Each page may show a different combination or arrangement of parameters, including electrical energy (Wh) and CPU temperature.
Figure 6: Changing Display Pages
4.3 Screen Rotation
Double Click: Quickly press the button twice to rotate the screen display by 180 degrees. This is useful for viewing the screen from different orientations or when the device is plugged in an awkward position.
Figure 7: Screen Rotation Function
4.4 Data Recording and Saving
The device intelligently recognizes and records the highest power, highest voltage, and maximum current during a single testing event. It also supports power-off data saving, meaning accumulated capacity and energy data will be retained even after the device is disconnected from power.
5. Specifications
| Parameter | Value |
|---|---|
| Model Number | KWS-2302C |
| Voltage Range | DC 4-30V |
| Current Range | 0-12A |
| Timing Range | 0-99 hours |
| Power Range | 0-360W |
| Capacity Range | 0-99999mAh |
| Electric Energy Range | 0-99999Wh |
| Product Size | 50.6 x 18 x 9mm |
| Display Type | Digital Only (0.96-inch TFT) |
| Battery Included | No |
| DIY Supplies | Electrical |
| Origin | Mainland China |
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners or solvents.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping the device or subjecting it to strong impacts, as this may damage the internal components or the display.
- Moisture: Keep the device away from water and high humidity to prevent electrical damage.
7. Troubleshooting
7.1 No Display
- Ensure the device is properly connected to both a power source and a load. The device draws power from the connected circuit to operate its display.
- Check if the Type-C cables used are functional and correctly inserted.
7.2 Incorrect Readings
- Verify that the connected power source and load are within the specified voltage (DC 4-30V) and current (0-12A) ranges of the KWS-2302C.
- Ensure the connections are secure and free from debris.
- Try using different cables or power sources to rule out external factors.
7.3 Button Unresponsive
- Ensure the device is powered on.
- If the button is stuck, gently try to free it. Avoid excessive force.
8. User Tips
- Monitor Fast Charging: The KWS-2302C supports various fast charging protocols. When testing, observe the power (W) reading to confirm if fast charging is active and at what rate.
- Track Battery Health: Use the capacity (mAh) and electrical energy (Wh) readings over time to monitor the charging performance and approximate health of your device batteries or power banks.
- Screen Orientation: Utilize the double-click screen rotation feature for optimal viewing, especially when the device is plugged into hard-to-reach ports.
- Data Retention: Remember that the device saves data upon power-off, so you can disconnect it and review the accumulated charge later.
9. Warranty and Support
This product is manufactured to high-quality standards. For any technical support or warranty inquiries, please refer to the seller or manufacturer's official support channels. Keep your purchase receipt as proof of purchase.
