1. Introduction
The NICE-POWER SPS3010-2KD is a versatile dual-channel DC power supply designed for laboratory, repair, and DIY applications. It features independent dual-channel constant voltage and constant current automatic conversion functions. The two adjustable channels can be used independently or configured in series or parallel, offering master-slave automatic tracking and adjustment capabilities. This manual provides detailed instructions to ensure safe and efficient use of your device.
2. Product Features
- Dual-Channel Design: Independent constant voltage and constant current outputs for two channels.
- Multiple Output Modes: Supports Independent, Series, and Parallel operation.
- Master-Slave Tracking: Automatic tracking and adjustment functions in series and parallel modes.
- Encoder Knobs: Precise digital setting of voltage and current values.
- Multi-Protection Functions: Includes overheat, overvoltage, overcurrent, and short circuit protection.
- Efficient Cooling: Built-in smart cooling fans reduce noise and extend product life.
- High-Quality Construction: Pure copper terminals and high-quality internal wiring for reliable operation.
- USB Output: A 5V/2A USB port is available for charging small devices.
3. Package Contents
Upon opening the package, please verify that all items listed below are present and in good condition:
- 1x NICE-POWER Dual-Channel DC Power Supply (SPS3010-2KD or selected model)
- 1x Power Cord
- 2x Output Load Cords (alligator clips)
- 1x User's Manual
- 1x Warranty Card
- (Optional) 1x USB to alligator clip output cable (free gift with China shipment)
4. Setup Instructions
- Unpacking: Carefully remove the power supply and all accessories from the packaging.
- Placement: Place the power supply on a stable, level surface with adequate ventilation. Ensure the rear cooling fans are not obstructed.
- Power Connection: Connect the provided power cord to the AC input socket on the rear panel of the power supply. Plug the other end into a suitable AC power outlet (110V 50Hz or 110V 60Hz, depending on your model).
- Output Connections:
- For Channel 1 (CH1): Connect your load to the CH1 output terminals (red for positive, black for negative).
- For Channel 2 (CH2): Connect your load to the CH2 output terminals (red for positive, black for negative).
- For Series/Parallel Output: Use the dedicated SER/PAR output terminals (red for positive, black for negative).
- Initial Power On: Press the "POWER" button on the front panel to turn on the device. The digital displays will illuminate.
5. Operating Instructions
5.1 Adjusting Voltage and Current
The SPS3010-2KD uses encoder knobs for precise digital adjustment:
- Press the desired "CURRENT" or "VOLTAGE" knob to select the digit you wish to adjust (e.g., units, tens, decimals).
- Rotate the knob clockwise to increase the value or counter-clockwise to decrease it.
- Repeat for other digits until the desired voltage and current limits are set.
5.2 Output Modes
The power supply offers three main output modes: Independent, Series, and Parallel. Use the "INDEP", "SER", and "PAR" buttons to switch between modes.
5.2.1 Independent Mode (INDEP)
In Independent mode, Channel 1 (CH1) and Channel 2 (CH2) operate as two separate power supplies. Each channel's voltage and current can be set independently.
- Press the "INDEP" button. The indicator light for INDEP will illuminate.
- Adjust CH1 and CH2 voltage and current using their respective knobs.
- Output is available from CH1 and CH2 terminals.
5.2.2 Series Mode (SER)
In Series mode, the two channels are connected in series, doubling the output voltage while maintaining the current of a single channel. This is suitable for applications requiring higher voltage, such as creating positive and negative power outputs.
- Press the "SER" button. The indicator light for SER will illuminate.
- The output voltage will be the sum of CH1 and CH2 voltages (e.g., two 30V channels combine to 60V).
- The output current will be limited by the lower current setting of the two channels (e.g., 10A).
- Output is available from the dedicated SER/PAR output terminals.
5.2.3 Parallel Mode (PAR)
In Parallel mode, the two channels are connected in parallel, doubling the output current while maintaining the voltage of a single channel. This is ideal for applications requiring higher current.
- Press the "PAR" button. The indicator light for PAR will illuminate.
- The output current will be the sum of CH1 and CH2 currents (e.g., two 10A channels combine to 20A).
- The output voltage will be limited by the lower voltage setting of the two channels (e.g., 30V).
- Output is available from the dedicated SER/PAR output terminals.
5.3 USB Output
A 5V/2A USB output port is located on the front panel for convenient charging of compatible devices.
6. Maintenance
- Cleaning: Regularly wipe the exterior of the power supply with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Ventilation: Ensure the cooling fans on the rear panel are free from dust and obstructions. The built-in smart cooling fans are designed to operate efficiently, but proper airflow is crucial for longevity.
- Storage: When not in use for extended periods, store the power supply in a dry, dust-free environment within the specified storage temperature and humidity ranges (-20°C to +80°C, 20%-70% relative humidity).
- Cable Inspection: Periodically check the power cord and output load cords for any signs of damage or wear. Replace if necessary.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power/display off | Power cord not connected, power switch off, power outlet fault. | Check power cord connection, ensure power switch is on, test power outlet. |
| No output voltage/current | Output terminals not connected, output disabled, overcurrent/overvoltage protection triggered. | Ensure load is correctly connected, check mode selection (INDEP/SER/PAR), verify voltage/current settings are above zero, reduce load or adjust settings. |
| Overheating | Poor ventilation, obstructed cooling fans, excessive load. | Ensure clear airflow around the unit, clean fan vents, reduce load. |
| Inaccurate readings | Faulty connections, external interference. | Check all connections, ensure proper grounding, minimize electromagnetic interference. |
8. Specifications
| Feature | Detail |
|---|---|
| Type | Power Supply |
| Model Number | SPSxxxx-2KD (e.g., SPS3010-2KD, SPS605-2KD, SPS1203-2KD) |
| Rated Capacity | 40-1000VA (including 40VA) |
| Output Power | >500W |
| Output Current | Up to 20A (depending on model and mode) |
| Output Voltage | Up to 240V (depending on model and mode) |
| Output Frequency | 50Hz/60Hz |
| Output Type | Triple (Independent, Series, Parallel) |
| Display Accuracy | 1% ± 1 word (3/3.5 digit display, 0.1V/0.1A resolution); 0.1% ± 1 word (4/4.5 digit display, 0.01V/0.01A resolution) |
| Voltage Stability | ≤0.05% + 1mV |
| Current Stability | ≤0.1% + 10mA |
| Load Stability | CV≤0.05% + 1mV, CC≤0.05% + 10mA |
| Ripple and Noise | CV≤10mV, CC≤20mA (RMS) |
| Overall Efficiency | ≥80% (under full load test) |
| Working Environment | -10°C to +40°C, Relative humidity 20%-80% (non-condensing) |
| Storage Environment | -20°C to +80°C, Relative humidity 20%-70% (non-condensing) |
| Certification | CE, EAC, EPA, FCC |
9. User Tips
- Current Capacity: For models like the 30V 10A, the 10A rating is per channel. In parallel mode, the device can theoretically sustain up to 20A total output.
- Voltage and Current Setting: Utilize the encoder knobs by pressing to select the digit and rotating to adjust for precise control.
- Application Versatility: This power supply is suitable for a wide range of uses including mobile phone, notebook, and computer repair, home appliance maintenance, electroplating, anodizing, and various battery charging applications (Lead-acid, Lithium, Car batteries).
10. Warranty and Support
This product comes with a 12-month warranty. If you encounter any quality problems or are not satisfied with your item upon receipt, please contact customer support. Provide evidence to demonstrate the issue for assistance with returns or replacements.
For further assistance or inquiries, please refer to the contact information provided with your purchase or on the official product page.
