PCUG - Series: Ultrasonic generator with digital current display and pulse sweep frequency adjustment for industrial cleaning and biodiesel production application. It can directly connect with our "PCUI" immersion transducers pack to form a power cleaning system OR biodiesel reactor to form biodiesel production system General Specification : Input: 120Vac / 220Vac, 50 / 60Hz Output Power: 600W, 900W, 1000, 1200W, 1500W, 1800W Output Frequency: 10KHz to 133KHz Pulse Sweep Frequency : 0 ~ 20Hz Feature : 1) Power Level Control 2) Pulse sweep frequency adjustment to improve cleaning effect. 3) Current Overload protection. 4) Thermal Overload protection. 5) Current indication. 6) Robust design and can be 24 hours continuously operation.