Buchi R-205 Rotavapor

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The Buchi R-205 Rotavap provides efficient gentle removal of low boiling organic chemicals from a mixture of compounds. This rotary evaporator system uses simple distillation, while a vacuum lowers the boiling point and a cold finger condenser traps the vapors in a separate flask. This digital rotavapor is microprocessor controlled and users can set temperatures, and speeds all from the easy to read LED screen located at the from. This rotavapor system features an automated motorized lift, meant to gently raise and lower glassware to avoid splashing and breakage, yet can be lifted manually in the event of a power failure. The glassware and sealing systems of this rotarty evaporate are coated with PTFE to resist corrosion and promote long life.

The Buchi R-205 Rotavap has a small footprint, 33% smaller than previous rotary evaporators, with a space saving modular design that allows you to add integrated vacuum controllers. Despite the smaller size, this rotavap can handle flasks as large as 3 Liters. The Buchi R-205 Rotavap uses a 5L insulated heating bath, designed to accommodate evaporating flasks between 50 and 300 mL and is lined with aluminum for temperature uniformity and coated with PTFE to resist corrosion. The B-490 heating water bath has a digital LED screen, and has a temperature range from 20 to 180° C (68-356°F).

This complete Rotavapor system also comes with a Buchi V-800 Vacuum Controller that gives users standalone control of their external V-700 vacuum systems. This vacuum controller lets you control variable set points, vary hysteresis, and set timed sessions.


Buchi R-205 Rotovap Specifications:

Dimensions (L x W x H)13x14x20
Weight (lbs)40lbs
Power120V, 50/60 Hz, 120W
Buchi B-490 Heating Waterbath
V-700 Vacuum Pump

Dimensions (L x W x H)12x11x8
Pressure | Capacity<10 mBar | 1.8m3/hour
Power115V, 60 Hz, 1.5 A
Sound Level40-52 dbA

Buchi V-800 Vacuum Controller Specifications:

Vacuum Reading Range0 to 1400 Millibar
Hysteresis Automatic or 1 – 500 mbar
Regulating range1 mbar/torr to atmospheric pressure
DisplayDigital LCD Display
Dimensions 5 x 5 x 4
Power  100-120 V, 50/60 Hz, 14W
Weight 2 lbs
Operating temperature range  5-40°C (for indoor use only)
Maximum relative humidity80% for temperatures up to 30°C
Magnetic valve supply 24V

Buchi B-490 Heating Bath Specifications:

Flask size: 50 to 3000mL
Temperature range: 20° to 180°C
Electrical: 120 V, 50/60 Hz 1400W
Capacity: 4L
Dimensions 11x11x8
Weight 8lbs


  • Buchi R-205 Rotavap
  • V-700 Vacuum Pump
  • V-800 Vacuum Controller
  • Heated Bath
  • C-Assembly Glass Configuration
  • Vacuum Hoses
  • Clamps
  • Trap
  • Operator's Guide
  • 30-Day Warranty

Each component of this Buchi R-205 Rotavap has been tested for functionality and performed to expectations. All of our lab equipment comes backed with our standard warranty. Should you have any questions, please don't hesitate to contact us.

Other Rotary Evaporator