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Di erent Wave Patterns
for di erent cleaning e ects
Full-wave circuitry
in AU 28020
Standard test specimens cleaned in 3 minutes, showing approximate areas cleaned:
Very e ective
AU 28020 utilizes professional grade full-wave circuitry. If the unit is turned
on while the tank is empty, the ultrasonic energy will not be conveyed out
through the media (water or solution). The power may jump to 80 W
immediately, the tank will become hot and the PCB could be damaged after 20 seconds.
Therefore this unit should not be turned on while it is not lled with water.
Half-wafe circuitry
in other devices
for private use
Less e ective
16
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