Feature 1、With 6 centrifugal tube apertures, which can be tested at a time, and the operation is simple and convenient. 2、It can be used for quantitative analysis and qualitative analysis in the laboratory and is safe to use. 3、Electric centrifuge, uses high‑quality PP plastic material, which is durable and long service life. 4、Can also be tested by medicine staff for the manufacture of serum, urea and vaccines. 5、It is widely used in biology, medicine, chemistry, education, science, production, etc. Item Type: Centrifuge Material: PP Plastic Power: 40W Centrifugal Power: 1790g Rotation Speed: 0-4000 Rpm/Min Capacity: 20ml x 6 Time Range: 0-60 minutes or always on Weight: Approx. 3160g / 111.5oz Size: Approx. 25x22cm / 9.8x8.7in Usage: 1. When using, it should be layered on a uniform and stable table. 2. The allowable tolerance of load balance relative weight is not more than 0.5g. 3. The plastic protective tube should be cleaned with cloth after use to prevent corrosion; the temperature should not exceed 50℃ during cleaning. 4. After connecting the power supply, adjust the working time and turn the knob clockwise from "0" to the desired speed. Maintenance and Precautions: 1. Fill the motor with lubricant every 3 months. 2. When not in use, it should be stored in a dry room. 3. After long-term use, if smaller than 10mm, it should be replaced. 5. The weight of the test tube and the test tube cover should be equal, and they cannot be used at the same time. Package List 1 x Centrifuge 1 x English Manual Note 1.Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3.The working power supply must have good grounding measures.