The IKA RW 28 Digital Overhead Stirrer: A powerful, mechanically controlled laboratory stirrer designed for highly viscous applications for quantities up to 80 litres (H2O).
A perfect partner to the ReactoMate Pilot Scale controlled laboratory reactors, 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
Specification
| 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 min. diameter | 1 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 | 16 mm |
| Extension arm length | 145 mm |
| Torque display | no |
| Nominal torque | 9 Nm |
| housing material | alu-cast coating / thermoplastic polymer |
| clean room qualified | no |
| explosion proofed | no |
| Noise without element | 62.5 dB(A) |
| Dimensions (W x H x D) | 123 x 364 x 252 mm |
| Weight | 7.5 kg |
| Permissible ambient temperature | 5 – 40 °C |
| Permissible relative humidity | 80 % |
| Protection class according to DIN EN 60529 | IP 40 |
| USB interface | no |
| RS 232 interface | no |
| Analog output | no |
| Voltage | 220 – 240 / 115 / 100 V |
| Frequency | 50/60 Hz |
| Power input | 220 W |
