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Description

RW 28 digital

Overhead Stirrers

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

Technical data :

- Torque max. at stirring shaft at 100 1/min : 900Ncm

- Torque max. at stirring shaft at 60 1/min (overload) : 1144Ncm

- Torque max. at stirring shaft at 1.000 1/min : 86Ncm

- Speed range II: speed max. (at 50 Hz) : 1400rpm

- Speed range I: speed max. (at 60 Hz) : 480rpm

- Torque max. at stirring shaft : 900Ncm

- Output max. at stirring shaft : 90W

- Motor rating input : 220W

- Motor rating output : 90W

- Speed max. : 1400rpm

- Viscosity max. : 50000mPas

- Speed range II: speed max. (at 60 Hz) : 1680rpm

- Chuck range min. diameter : 1mm

- Depth : 252mm

- Height : 364mm

- Weight : 7.5kg

- Power input : 220W

- Width : 123mm

- Torque II max. : 300Ncm

- Extension arm length : 145mm

- Nominal torque : 9Nm

- Noise without element : 62.5dB(A)

- Torque I max. : 900Ncm

- Stirring quantity max. per stirring position (H2O) : 80l

- Deviation of speed measurement : 10±rpm

- Permissible ambient temperature min. : 5°C

- Speed control : mechanical, stepless

- Permissible ambient temperature max. : 40°C

- Permissible relative humidity : 80%

- Frequency : 50/60Hz

- Housing material : alu-cast coating / thermoplastic polymer

- Speed display : LED

- Stirring element fastening : chuck

- Hollow shaft (push-through - when stopped) : yes

- Fastening on stand : extension arm

- Permissible ON time : 100%

- Voltage : 220 - 240V

- Hollow shaft, inner diameter : 10.5mm

- Setting accuracy speed : 1±rpm

- Extension arm diameter : 16mm

- Speed range I: speed max. (at 50 Hz) : 400rpm

- Chuck range max. diameter : 10mm

- Speed range II: speed min. (at 60 Hz) : 288rpm

- Speed min. : 60rpm

- Speed range I: speed min. (at 50 Hz) : 60rpm

- Speed range II: speed min. (at 50 Hz) : 240rpm

- Speed range I: speed min. (at 60 Hz) : 72rpm

- Protection class according to DIN EN 60529 : IP 40