USA Lab USA-UC-30L, Manual

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1. Principle of ultrasonic cleaning

  Ultrasonic cleaner generates ultrasonic frequency electricity, which is converted by energy 
converter into high-frequency mechanical oscillation that is transferred to cleaning fluid. 
  Ultrasound wave is beamed forwards unevenly in the cleaning fluid to make the fluid vibrate 
and generate tens of thousands of micro bubbles, which form and grow in the negative 
pressure area where the ultrasound wave travels longitudinally and close (crush out) in positive 
pressure area. 
  Formation, growth and quick closure of the micro bubbles is called cavitation. In cavitation, 
closure of bubbles will generate instantaneous high pressure higher than 1,000 times of 
atmospheric pressure, and the continuous high pressure force hits surface of the work piece 
like numerous small blasts to peel off dirty on the surface and in clearance of object, and this is 
how the ultrasonic cleaning machine operates. 

2. Precautions

•  Locate this product properly to avoid any accident resulted from children's access to it. 

•  This product contains dangerous voltage, so do not start it at a high-temperature or humid 

location to avoid electric shock. 

•  This product must be operated after inject liquid, otherwise it may be burnt out or even 

result in fire.

•  Absolutely do not use any inflammable detergent. 

•  Remove any dirt in the tank after operation and any foreign matter falling into the tank 

shall be taken out immediately. Keep the external surface of the machine clean. 

•  Do not impose great impact to this product and handle it with care to prevent impairment 

to performance or life span of it. 

•  During normal operation of ultrasonic generator, a consistent sound is resulted from the 

harmonic oscillation of the tank body impacted by ultrasound wave, and no agitation 
but ripple is caused on the surface of cleaning fluid by explosion of cavity. In case of 
discontinuous oscillation, increase or reduce the cleaning fluid by a small quantity to 
eliminate such oscillation to facilitate cleaning of work piece. 

•  While ensuring adequate cleaning of work piece, keep the generator operating 

intermittently, as long-term consecutive operation may result in high temperature insides 
and accelerate aging of electronic components in it. 

Safety warning!