Buchi Rotavapo R-220 SE User Manual download pdf (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

)

optional 4200 W (3,5 W/cm

, 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

Sensors

Vapor temperature PT-1000, 2-wire

Bath temperature PT-1000, 2-wire

Bath level sensor n.a.

Pressure Ceramic, capacitive

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Buchi Rotavapo R-220 SE User Manual Page 19