Mechanical overhead stirrer

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Brand: IKA
Item Name: Mechanical overhead stirrer
Model No.: RW 28 digital
Product thumb
Mechanical overhead stirrer
Stirring quantity max. per stirring position (H2O)80 l
Motor rating input220 W
Motor rating output90 W
Speed displayLED
Speed range60 - 1400 rpm
Viscosity max.50000 mPas
Output max. at stirring shaft90 W
Permissible ON time100 %
Torque max. at stirring shaft900 Ncm
Torque max. at stirring shaft at 60 1/min (overload)1144 Ncm
Torque max. at stirring shaft at 100 1/min900 Ncm
Torque max. at stirring shaft at 1.000 1/min86 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 controlstepless
Setting accuracy speed1 ±rpm
deviation of speed measurement10 ±rpm
Stirring element fasteningchuck
Chuck range diameter1 - 10 mm
Hollow shaft, inner diameter10.5 mm
Hollow shaft (push-through - when stopped)yes
Fastening on standextension arm
Extension arm diameter16 mm
Extension arm length145 mm
Speed controlmechanical
Nominal torque9 Nm
housing materialalu-cast coating / thermoplastic polymer
Noise without element62.5 dB(A)
Dimensions (W x H x D)123 x 364 x 252 mm
Weight8.966 kg
Permissible ambient temperature5 - 40 °C
Permissible relative humidity80 %
Protection class according to DIN EN 60529IP 40
Voltage220 - 240 / 115 / 100 V
Frequency50/60 Hz
Power input220 W
Product thumb
Mechanical overhead stirrer

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

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