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IKA RW 20 Digital Laboratory Mechanical Overhead Stirrer, 60 - 2000 rpm Speed Range. 20 Litre Capacity, 10000 mPas Maximum Viscosity
Technical Data
Stirring quantity max. per stirring position (H2O) | 20 l |
Motor rating input | 70 W |
Motor rating output | 35 W |
Speed display | LED |
Speed range | 60 - 2000 rpm |
Viscosity max. | 10000 mPas |
Output max. at stirring shaft | 26 W |
Permissible ON time | 100 % |
Torque max. at stirring shaft | 150 Ncm |
Torque max. at stirring shaft at 60 1/min (overload) | 300 Ncm |
Torque max. at stirring shaft at 100 1/min | 150 Ncm |
Torque max. at stirring shaft at 1.000 1/min | 24 Ncm |
Speed range I (50 Hz) | 60 - 500 rpm |
Speed range II (50 Hz) | 240 - 2000 rpm |
Speed range I (60 Hz) | 72 - 600 rpm |
Speed range II (60 Hz) | 288 - 2400 rpm |
Speed control | stepless |
Setting accuracy speed | 1 ±rpm |
deviation of speed measurement | 30 ±rpm |
Stirring element fastening | chuck |
Temperature display | no |
Chuck range min. diameter | 0.5 mm |
Chuck range max. diameter | 10 mm |
Hollow shaft, inner diameter | 10.5 mm |
Hollow shaft (push-through - when stopped) | yes |
Fastening on stand | extension arm |
Extension arm diameter | 13 mm |
Extension arm length | 160 mm |
Torque display | no |
Nominal torque | 1.5 Nm |
Timer | no |
Dimensions (W x H x D) | 88 x 294 x 212 mm |
Weight | 3.1 kg |
Permissible ambient temperature | 5 - 40 °C |
Permissible relative humidity | 80 % |
Protection class according to DIN EN 60529 | IP 20 |
USB interface | no |
RS 232 interface | no |
Analog output | no |
Voltage | 220 - 240 / 100 - 115 V |
Frequency | 50/60 Hz |
Power input | 72 W |

The bestseller in the laboratory:
- With digital display
- Robust, slimline, ergonomic design
- Technical improvements on the trusted RW 20 series designs
- With constant power-drive
- Two speed ranges for universal use from 60 - 2.000 rpm
- Push-through agitator shafts (only when stationary)
- For stirring quantities of up to 20 l (H2O)
Scope of delivery
- RW 20 digital
- Chuck key
Warranty
IKA offers generous free warranty extensions if you register your product at www.ika.com/register the warranty period. You can normally benefit from a year of additional services (2 + 1). With some equipment we even guarantee several years of warranty extensions:
- Rotary evaporators and KS 4000 incubation shakers: warranty extension for three years (2 + 3).
- ElectraSyn 2.0,Viscometers, RCT digital, C-MAG HS 7 control and MICROSTAR/MINISTAR digital/control range: extension by a full eight years (2 + 8)!
- For pipettes and calorimeters: a one-year warranty plus an additional year following registration (1 + 1).
The free warranty extension can be acquired in just a few clicks at www.ika.com/register.