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Description
The IKA® RW 20 digital overhead stirrer delivers reliable, constant-speed mixing for volumes up to 20 l. Features a brushless EC motor for continuous operation and compatibility with all standard IKA® stirring tools.
Features:
- Constant speed even under changing loads
- Brushless EC motor, suitable for continuous operation
- Speed range: 60–2,000 rpm
- LED display of set and actual speed
- USB interface for labworldsoft or firmware updates
- Accepts all IKA® stirring elements with 8 mm shaft diameter
Country of Origin: Germany
Warranty: Comes with 2+1 Year Manufacturer's Warranty. See details here
Specifications:
| Speed range (50 Hz stage I) | 60–500 rpm |
| Speed range (50 Hz stage II) | 240–2000 rpm |
| Speed range (60 Hz stage I) | 72–600 rpm |
| Speed range (60 Hz stage II) | 288–2400 rpm |
| Speed adjustment | Stepless |
| Speed display | Display (LED) |
| Speed setting accuracy | ± 1 rpm |
| Speed measurement deviation | ± 30 rpm |
| Max. torque at stirrer shaft (at 60 rpm) | 300 Ncm (overload) |
| Max. torque at stirrer shaft (at 100 rpm) | 150 Ncm |
| Max. torque at stirrer shaft (at 1000 rpm) | 24 Ncm |
| Maximum stirring quantity (water) | 20 ltr |
| Max. viscosity | 10000 mPas |
| Permitted on-time | 100 % |
| Nominal voltage | 230 ± 10 % / 115 ± 10 % VAC |
| Frequency | 50 / 60 Hz |
| Input power | 72 W (230 V / 50 Hz), 87 W (115 V / 60 Hz) |
| Output power | 35 W |
| Output power shaft (at 400 rpm, stage I, 230V 50 Hz) | 35 W |
| Protection type to EN 60529 | IP 20 |
| Protection class | I (protective earth) |
| Excess voltage category | II |
| Contamination level | 2 |
| Protection at overload | Yes / temperature sensor in motor winding |
| Ambient temperature | + 5 ... + 40 °C |
| Ambient humidity (rel.) | 80 % |
| Drive | Rib cooled capacitor motor with friction wheel drive and subsequent 2-stage toothed gear train |
| Clamping chuck − clamping range | 0.5–10 mm |
| Hollow shaft internal diameter (Ø) | 10.5 mm |
| Extension arm (Ø x L) | 13 x 160 mm |
| Housing | Coated aluminium casting and thermoplastic plastic |
| Dimension (W x D x H) (without extension arm) | 88 x 212 x 294 mm |
| Weight (with extension arm and clamping chuck) | 3.1 kg |
| Operation at a terrestrial altitude | max. 2000 m |

