Specially designed for undergraduate teaching, small scientific research projects, and beginners, the 5L rotary evaporator model has a compact structure and occupies only 0.3 square meters, making it suitable for laboratories with limited space. Equipped with upright double serpentine condenser tubes, with a cooling area of 0.15m ² and an evaporation capacity of 25ml/min. The temperature accuracy of the water bath is ± 1 ℃, and the speed range is 0-120 rpm, which meets the recovery requirements of conventional organic solvents (ethanol, ethyl acetate, acetone). All glass components are made of high borosilicate 3.3 and can withstand thermal shock. Comes with a safety operation and usage guide to help beginners quickly master the gold "Δ 20 ℃ rule".