1. vertical type 2. Brushless DC motor with speed. 3. French refrigeration compressor TECUMSEH 4. LED display speed, RCF and timer 5. Switching on automatic fault signaling 6. touch control panel 7. With safety switch and electromagnetic door locks 8. error code display, up and down speed adjustment 9. It is suitable for separating suspended solids from liquids (such as blood plasma) in research institutes of biology, health, medicine, food and environmental protection.