Ultrasonic technology has a prominent advantage and that it has no moving parts, no electromagnetic radiation, installation fixe ... 20kHzEach unit nominal power: 500W, 1000W, 1500W, 2000W, 3000W, frequency is lower, the greater the power of each unit; the higher ... no unified way, application requirements is also differ in thousands ways, the above specification is just a commonWe can according to the ...