drive centrifugal system, low noise, and maintenance-free. 

Vacuum delay function: automatically activates the vacuum after reaching the preset speed. 

Adjustable speed: 300rpm to 1800rpm to prevent sample boiling. 

User-friendly design :The machine has a height of 24cm, making it convenient for sample retrieval and placement. The whole machine is treated with corrosion resistance, no fear of organic solvents Equipped with a standard large pumping speed corrosionresistant diaphragm vacuum pump