BUCHI Rotavapo R-220 SE - Manual (Page 19)

3 Technical data
19 R-220 SE Operation Manual, Version F
Technical data Rotavapor R-220 SE
Heating bath
Heating medium Depending on heating wattage
3600 W (water or other dedicated heating transfer media)
4200 W (water only!)
6300 W (water only!)
Bath capacity 20 l, without flask immersed
Distillation capacity (ethanol) Up to 13.5 liters/hour 3600 W heater
Up to 16 liters/hour 4200 W heater
Up to 18 liters/hour 6300 W heater
Temperature range Room temperature up to 180 °C
Heating power 230 V 1-phase; 3600 W (3 W/cm 2 )
optional 4200 W (3,5 W/cm 2 , for water only)
Regulation precision +/- 2 °C
Bath over temperature protection • Independent electronic monitoring circuit, mechanical
reset
• Error if the actual temperature is 15 °C above the setpoint
Bath lift Linear drive, safety class
Battery Lead-acid, 12 V
Rotational drive
Motor 200 V; 1-phase; 0.6 A at 50 Hz
Control Electronic, with softstart
Rotation speed 5 – 140 rpm
Accuracy +/- 1 rpm at 5 rpm to +/- 5 rpm at 150 rpm
Behavior in case of rotation error • Bath lowered, heater off, rotation off
• Indication of the error
• Reset possible
Glass assembly
Pressure in the glass assembly 0 mbar up to ambient pressure
Tightness < 1 mbar/min
Required external vacuum pump performance
for vacuum evaporation 2 – 4 m 3 /h
Sensors
Vapor temperature PT-1000, 2-wire
Bath temperature PT-1000, 2-wire
Bath level sensor n.a.
Pressure Ceramic, capacitive