1. Product Overview
The Ukoke 3800S Ultrasonic Cleaner is a professional-grade device designed for effective and gentle cleaning of various items using ultrasonic sound waves. It is suitable for cleaning jewelry, eyeglasses, watches, rings, diamonds, retainers, dentures, and other small electronics and lab instruments.
The unit generates 42,000 Hz of ultrasonic sound waves, creating microscopic bubbles that dislodge dirt and grime from surfaces, providing a thorough clean without causing damage to your valuables. For enhanced cleaning results, a small amount of liquid dish soap can be added to the water.
Figure 1: Ukoke 3800S Ultrasonic Cleaner with included accessories.
2. Safety Instructions
Please read and understand all safety instructions before operating the ultrasonic cleaner to prevent injury or damage to the unit.
- Do not immerse the main unit in water or other liquids.
- Ensure the power cord and plug are not damaged before use.
- Do not operate the unit with an empty tank. Always fill with water to the MAX line before turning on.
- Keep out of reach of children.
- Unplug the unit from the power outlet when not in use or before cleaning.
- Do not disassemble or attempt to repair the unit yourself. Contact qualified service personnel.
- Avoid placing items with loose stones, soft pearls, or items that are not waterproof into the cleaner. Consult a jeweler if unsure.
3. Package Contents
Verify that all items are present in the package:
- 1 x Ukoke 3800S Ultrasonic Cleaner
- 1 x Cleaning Basket
- 1 x Watch Stand
- 1 x Power Cord
- 1 x User Manual (this document)
Figure 2: The ultrasonic cleaner and examples of items suitable for cleaning.
4. Setup
- Place the ultrasonic cleaner on a stable, flat, and dry surface near a power outlet.
- Open the lid and fill the stainless steel tank with tap water. Do not exceed the 'MAX' fill line. For better results, use warm water (not hot).
- If desired, add a few drops of non-abrasive liquid dish soap or a specialized ultrasonic cleaning solution to the water.
- Plug the power cord into a grounded electrical outlet. The digital display will illuminate.
5. Operating Instructions
- Prepare Items: Place the items to be cleaned into the cleaning basket. For delicate items or watches, use the provided watch stand. Ensure items are fully submerged in the water.
- Place Basket: Carefully lower the basket with items into the tank.
- Close Lid: Close the transparent lid.
- Select Cleaning Cycle: The unit typically has preset cleaning cycles. Press the 'SET' button to cycle through the available timer settings (e.g., 90s, 180s, 280s, 380s, 480s).
- Start Cleaning: Press the 'ON/OFF' button to start the cleaning process. The timer will begin counting down, and you will hear a buzzing sound, indicating the ultrasonic waves are active.
- End of Cycle: The unit will automatically shut off when the selected cycle is complete.
- Remove Items: Open the lid, carefully lift out the cleaning basket, and rinse the cleaned items under running water. Dry them thoroughly with a soft cloth.
- Drain Water: Unplug the unit and drain the dirty water from the tank.
6. Maintenance and Care
- After each use, unplug the unit and drain the water from the tank.
- Wipe the stainless steel tank and the exterior of the unit with a soft, damp cloth. Do not use abrasive cleaners.
- Ensure the unit is completely dry before storing.
- Store the cleaner in a cool, dry place, away from direct sunlight and moisture.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on | Not plugged in; Power outlet fault; Unit fault | Ensure plug is securely inserted; Test outlet with another device; Contact support |
| No buzzing sound | Insufficient water; Unit fault | Ensure water level is above MIN line; Contact support |
| Items not cleaning effectively | Water too cold; Too many items; Items too dirty; No cleaning solution added | Use warm water; Clean fewer items at a time; Pre-rinse heavily soiled items; Add a few drops of dish soap |
8. Specifications
- Model: 3800S
- Ultrasonic Frequency: 42,000 Hz
- Tank Material: Stainless Steel
- Power: (Specific power not provided, typical for similar units is 35-50W)
- Voltage: (Specific voltage not provided, typical for US is 110-120V)
- Dimensions: Approximately 9.51in (L) x 6.73in (W) x 4.72in (H)
Figure 3: Detailed dimensions of the Ukoke 3800S Ultrasonic Cleaner.
9. Warranty and Support
Ukoke provides quality products and customer support. Specific warranty details are typically included with your purchase documentation or available on the official Ukoke website. For technical assistance, troubleshooting not covered in this manual, or warranty claims, please contact Ukoke customer service.
Please retain your proof of purchase for any warranty-related inquiries.