Automatic Liquid Extraction Rotary Agitator is a microprocessor controlled, sample agitating device with 8 pcs separating funnel and 15 to 40 rpm adjustable speed. Designed with active sliding door for easy loading and unloading of separation funnel. Device features electricity insulated flip cover, electricity leakage protection and overload protection for safety of the user. Used during liquid-liquid extraction procedure in environment protection industry and disease control and research labs.