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IKA RW 28 Digital Powerful Mechanical Laboratory Overhead Stirrer, 60 - 1400 rpm Speed Range, 80 Litre Capacity, 50000 mPas Maximum Viscosity
Technical Data
Stirring quantity max. per stirring position (H2O) | 80 l |
Motor rating input | 220 W |
Motor rating output | 90 W |
Speed display | LED |
Speed range | 60 - 1400 rpm |
Viscosity max. | 50000 mPas |
Output max. at stirring shaft | 90 W |
Permissible ON time | 100 % |
Torque max. at stirring shaft | 900 Ncm |
Torque max. at stirring shaft at 60 1/min (overload) | 1144 Ncm |
Torque max. at stirring shaft at 100 1/min | 900 Ncm |
Torque max. at stirring shaft at 1.000 1/min | 86 Ncm |
Torque I max. | 900 Ncm |
Torque II max. | 300 Ncm |
Speed range I (50 Hz) | 60 - 400 rpm |
Speed range II (50 Hz) | 240 - 1400 rpm |
Speed range I (60 Hz) | 72 - 480 rpm |
Speed range II (60 Hz) | 288 - 1680 rpm |
Speed control | stepless |
Setting accuracy speed | ±1 rpm |
Deviation of speed measurement | ±10 rpm |
Stirring element fastening | chuck |
Chuck range diameter | 1 - 10 mm |
Hollow shaft, inner diameter | 10.5 mm |
Hollow shaft (push-through - when stopped) | yes |
Fastening on stand | extension arm |
Extension arm diameter | 16 mm |
Extension arm length | 145 mm |
Speed control | mechanical |
Nominal torque | 9 Nm |
Housing material | alu-cast coating / thermoplastic polymer |
Noise without element | 62.5 dB(A) |
Dimensions (W x H x D) | 123 x 364 x 252 mm |
Weight | 8.966 kg |
Permissible ambient temperature | 5 - 40 °C |
Permissible relative humidity | 80 % |
Protection class according to DIN EN 60529 | IP 40 |
Voltage | 220 - 240 V |
Frequency | 50/60 Hz |
Power input | 220 W |

Powerful, mechanically controlled laboratory stirrer designed for highly viscous applications for quantities up to 80 l (H2O). It is suitable for intensive mixing for use in laboratories and pilot plants. The stirrer comes equipped with a protection for overheating of the motor by means of self-locking temperature limiter. Additionally, to secure bowls, a stirring shaft protection and clamping fixture are optionally available.
- Digital speed display
- Infinitely adjustable speed from 60 to 1400 rpm in two speed ranges
- Push-through agitator shafts
- Overload protection
- Error code display
- Robust, ergonomic design
- Quiet operation
- With constant power-drive
Scope of delivery
- RW 28 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.