1. Introduction
Thank you for choosing the VEVOR 0.8L Ultrasonic Cleaner. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new device. Please read this manual thoroughly before first use and keep it for future reference.
This ultrasonic cleaner is designed for deep and gentle cleaning of various small items such as jewelry, eyeglasses, coins, watch parts, and small tools, utilizing high-frequency sound waves to remove dirt and grime.
2. Safety Instructions
WARNING: To reduce the risk of electric shock, fire, or injury, always follow these basic safety precautions:
- Do not immerse the main unit in water or other liquids.
- Ensure the power supply matches the unit's requirements (220V).
- Always unplug the unit from the power outlet when not in use, before filling or emptying, and before cleaning.
- Do not operate the unit with a damaged cord or plug.
- Keep out of reach of children. This appliance is not intended for use by persons with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
- Do not operate the unit without liquid in the tank.
- Avoid direct contact of items with the bottom of the tank; always use the cleaning basket.
- Do not use flammable, explosive, or corrosive cleaning solutions.
- Ensure proper ventilation during operation.

Image: VEVOR 0.8L Ultrasonic Cleaner showing the warning label on the side of the unit.
3. Product Overview
3.1 Components
The VEVOR 0.8L Ultrasonic Cleaner package includes the following items:
- 1 x Ultrasonic Cleaner Unit
- 1 x Cleaning Basket
- 1 x Stainless Steel Lid
- 1 x Jewelry Cleaning Ball (or similar accessory)
- 1 x Power Supply Cord
- 1 x User Manual

Image: Detailed view of the 304 stainless steel tank with dimensions, along with the cleaning basket and a watch stand accessory.
3.2 Key Features
- Powerful 40 kHz Transducer: Equipped with a 35W ultrasonic transducer, generating 40 kHz ultrasonic waves for excellent cleaning performance.
- Adjustable Timer Function: Integrated micro-computer and timer allow setting working time from 0 to 15 minutes with an LED display.
- High-Quality Construction: Made from high-quality 304 stainless steel, ensuring anti-rust, corrosion resistance, and no water leakage.
- User-Friendly Design: Features a lightweight, portable design with a secure power socket, efficient heat dissipation, non-slip rubber feet, and a lid to prevent water splash.
- Versatile Cleaning Applications: Effectively removes oil, wax, and stains from various items, suitable for commercial, home, and industrial use.

Image: Infographic detailing the efficient cleaning process, highlighting 40kHz frequency, 35W power, noise reduction, and 360-degree deep cleaning capability.
4. Setup
- Unpack: Carefully remove the ultrasonic cleaner and all accessories from the packaging. Inspect for any damage.
- Placement: Place the unit on a stable, flat, and dry surface, away from heat sources and direct sunlight. Ensure there is adequate ventilation around the unit.
- Power Connection: Connect the power cord to the unit's power inlet and then plug it into a grounded 220V AC power outlet.
5. Operating Instructions
- Fill the Tank: Open the lid and fill the stainless steel tank with an appropriate cleaning solution. Distilled water is recommended for general cleaning. For enhanced cleaning, a small amount of mild detergent or specialized ultrasonic cleaning solution can be added. Do not exceed the MAX fill line.
- Place Items: Place the items to be cleaned into the cleaning basket. Ensure items are fully submerged but not overcrowded. Avoid direct contact between items and the tank bottom.
- Close Lid: Close the stainless steel lid to prevent water splash and reduce noise during operation.
- Set Time: Press the "TIME" button to adjust the cleaning cycle duration. The LED display will show the selected time (0-15 minutes).
- Start Cleaning: Press the "ON/OFF" button to start the ultrasonic cleaning process. The unit will begin generating ultrasonic waves.
- Monitor Progress: The LED display will count down the remaining time. You may observe a slight humming sound and small bubbles forming in the liquid, indicating the ultrasonic action.
- End of Cycle: The unit will automatically stop when the set time expires.
- Remove Items: Open the lid, carefully remove the cleaning basket with the cleaned items. Rinse items under clean water if necessary and dry them thoroughly.
- Empty Tank: Unplug the unit. Carefully empty the tank by pouring out the used solution. Do not leave used solution in the tank for extended periods.

Image: Detailed view of the control panel, illustrating the simple push-button operation for time setting and power control.
6. Maintenance
- Cleaning the Tank: After each use, empty the tank and wipe it clean with a soft cloth. Do not use abrasive cleaners or harsh chemicals.
- Exterior Cleaning: Wipe the exterior of the unit with a damp cloth. Do not spray water directly onto the unit.
- Storage: Store the unit in a cool, dry place when not in use. Ensure the tank is completely dry before storage.
- Regular Inspection: Periodically check the power cord and plug for any signs of damage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | No power supply; Power cord not properly connected; Unit malfunction. | Check power outlet; Ensure power cord is securely plugged in; Contact customer support if issue persists. |
| No ultrasonic sound or bubbles. | Insufficient water level; Unit malfunction. | Ensure water level is above the MIN mark; Contact customer support. |
| Poor cleaning results. | Incorrect cleaning solution; Overcrowded tank; Items not fully submerged; Too short cleaning time. | Use appropriate cleaning solution; Do not overcrowd items; Ensure items are fully submerged; Increase cleaning time. |
| Unit is too noisy. | Normal operation sound; Unit not on a stable surface. | A slight humming sound is normal; Ensure unit is on a flat, stable surface. |
8. Specifications
| Specification | Value |
|---|---|
| Input Voltage | 220 V |
| Ultrasonic Frequency | 40 kHz |
| Transducer Power | 35 W |
| Tank Capacity | 0.8 L |
| Tank Material | 304 Stainless Steel |
| Tank Dimensions (L x W x H) | 150 x 85 x 65 mm / 5.9 x 3.35 x 2.6 inches |
| Working Time Setting | 0 - 15 Minutes |
| Display | LED Display |
| Product Dimensions (L x W x H) | 175 x 110 x 125 mm / 6.89 x 4.33 x 4.92 inches |
| Product Weight | 1.04 kg / 2.3 lbs |

Image: Visual representation of product and tank dimensions, and examples of items suitable for cleaning.
9. Warranty and Support
VEVOR products are designed for durability and performance. For warranty information, please refer to the warranty card included with your product or visit the official VEVOR website. Keep your purchase receipt as proof of purchase for any warranty claims.
If you encounter any issues or have questions regarding your VEVOR 0.8L Ultrasonic Cleaner, please contact VEVOR customer support through their official channels. Contact information can typically be found on the VEVOR website or on the product packaging.