Büchi Labortechnik AG
Product description | 3
Operation Manual Rotavapor® R-250 Pro
17/78
3.5
Technical data
3.5.1
Rotavapor® R-250Pro
Dimensions (W x D x H)
(without glass)
1420 x 850 x 1550 mm
Dimensions (W x D x H)
(with glass)
1450 x 850 x 2300 mm
Minimum clearance on all sides
400 mm
Weight
(without glass)
160 kg
Weight
(with glass)
200 kg
Connection voltage
400 ± 10 % VAC 3N~
Power consumption
7500 W
Frequency
50 / 60 Hz
IP Code
IP20
Pollution degree
2
Overvoltage category
II
Pump outlet
max. 2 A
Rotation speed range
5 – 120 rpm
Heating bath temperature range
20 - 180 °C ± 2 °C
Adjustment accuracy
± 1 °C
Regulation precision
At 60 °C: ± 1 °C
At 95 °C: ± 2 °C
At 180 °C: ± 3 °C
Heating medium
Water
Polyethylene glycol 400
Minimum flashpoint of the heating oil
205 °C
Cooling water consumption
200 - 400 L/h
Vacuum pump requirement
min 3 m³ / h
Leakage of the complete system
<1 mbar/min
Approval
(400 VAC Connection Voltage)
CE
UL / CSA
Rotation controlling
Electronically
Rotation accuracy
± 1 rpm at 5 rpm to
± 5 rpm at 120 rpm
Cooling restriction
abs. without pulsation
max. 2.7 bar
Heating capacity
6600 W
