Ultrasonic cleaning relies on high-frequency sound waves to remove contaminants from delicate items. For this to work effectively, the ultrasonic cleaner must function properly. Knowing how to tell if your ultrasonic cleaner is working can help you identify any issues that may affect the cleaning performance.
There are a few key indicators and tests that can confirm whether your ultrasonic cleaner is operating as it should. These are simple yet effective methods to assess its functionality.
Pay Attention to the Sound of Your Equipment
When an ultrasonic cleaner is running, it should produce a buzzing or humming sound. This noise comes from the electronic circuitry. Though it is not the main operating frequency, it indicates that the cleaner is powered on. If there is no sound, this could mean that the ultrasonic cleaner is not functioning as it should.
The most noticeable sound, however, is the buzzing or humming produced by the machine’s circuit. Although not the cleaning frequency, as ultrasonic frequencies used in cleaning are far beyond the range of human hearing, it serves as a sign of operation. If you do not hear any sound, the unit may require attention.
Observing the Surface Movement of the Liquid
Another way to check if an ultrasonic cleaner is working is to observe the surface of the cleaning liquid. The liquid should show signs of movement, indicating that the ultrasonic waves are vibrating the liquid. If you see the surface jump or form standing waves, this is a clear sign that the ultrasonic waves are active. Always remember, never run the cleaner without liquid in the tank, as this could damage the equipment.
When you place the items for cleaning into the liquid, you should notice subtle disturbances on the surface. This indicates that the cavitation process is taking place, and the ultrasonic waves are working to dislodge contaminants from the surfaces.
Aluminum Foil Test
The aluminum foil test is one of the best ways to tell if your ultrasonic cleaner is functioning properly. This test involves cutting a piece of regular kitchen aluminum foil long enough to span the width of the ultrasonic cleaner tank diagonally.
After placing the foil vertically in the tank for about 20 to 30 seconds, remove it and inspect it under a light. If the cleaner is working properly, the foil should have tiny holes punched through it. These holes are from the cavitation bubbles, which release energy as they collapse.
In some cases, the holes may not be evenly distributed, particularly in less expensive units where “hot spots” and “dead spots” exist. Nonetheless, you should notice at least some holes around the foil. More powerful ultrasonic cleaners might puncture the foil more quickly and thoroughly, even shredding it in just a few seconds.
What to Do if Your Ultrasonic Cleaner Stops Working
If you do not observe any of the above signs, or the aluminum foil test does not produce the expected results, there could be an issue with your ultrasonic cleaner. In such cases, do the following:
- Check the power source: Ensure the cleaner is plugged in and the power switch is on.
- Examine the transducer: The ultrasonic transducer is responsible for generating the ultrasonic waves. If it is malfunctioning, the cleaner will not work as intended.
- Inspect for damage: Over time, the ultrasonic cleaner may experience wear and tear, especially the transducers and tank. If damaged, repairs may be necessary.
At Baron Blakeslee, we understand the importance of reliable cleaning equipment. Our ultrasonic cleaners are designed with high-quality materials to ensure long-lasting performance. We also offer replacement parts and technical support to help maintain your cleaning equipment.
