The Büchi RotaVapor® R-215 Advanced is the basic model with integrated Vacuum Controller V-850. This model also offers easy-to-read digital display of rotation speed and vapor temperature. Choose from seven glass assemblies (A, V, C, S, E, BY or CR). Listed glassware assembly has ST 24/40 joints but is also available with ST 29/42 joints, upon request. Maintains appropriate vacuum with integrated Vacuum Controller V-850 (see E1420A for details). Regulation and display of vacuum pressure ensure optimal distillation. For 50 ml to 3,000 ml flasks. Digital heating bath (20°C to 180°C) is optional (see E1420B). Motorized Quick-action Jack easily raises and lowers glassware. Rotation can be started/ stopped, and glassware can be raised/lowered automatically with Vacuum Controller V-850. The sealing system is made of PTFE and glass, which lasts significantly longer than previous vacuum seals. These models are also available with an optional plastic coating on all glass parts except the evaporating flask. There are a variety of packages available that pair baths and controllers, as well as other accessories, to this model. Please inquire. Specifications: Rotation Speed: 20 - 280 rpm, Temperature Range: 20° to 180° C, Accuracy: ±1°, Bath Size: 4 Lt, Weight: 48 Lbs.