Profile: EJ Ultrasonics Ltd. is a manufacturer of cleaning equipment. Our bench top units are a constant power, controlled by RMS output power circuitry. This output power is held at a fixed level regardless of cleaning fluid, fluctuating mains and supply or indeed the ultrasonic tank load. These units are require no complex installation and are economically priced. Electronics models are used to controlled accurate timing & heating and thermostatic protection against overheating.