... fixe Optional frequency range: 15 to 60kHzCommonly used frequency: 20kHzEach unit nominal power: 500W, 1000W, 1500W, 2000W, 3000W, frequency ... the frequency, the smaller the power of each unitAlso can unit combination to useTools head (probe) materials: stainless steel, ... of ultrasonic argumentation of the project, the structure design, system configuration and the key components of the production of ...