IKA RW 47 Digital Overhead Stirrer

Category Overhead Stirrers
Manufacturer IKA
Country of manufacture Malaysia

Extremely powerful, mechanically controlled laboratory stirrer designed for highly viscous applications for quantities up to 200 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 (57 - 1300 rpm) in two speed ranges
  • Overload protection
  • Error code display
  • Robust, ergonomic design
  • Quiet operation
  • With constant power-drive 
Key Attributes 
Maximum volume (L): 200
Minimum Volume (L): N/A
Speed max (rpm): 1,560
Speed min (rpm): 69
Max temperature (◦C): N/A
Plate:  N/A
Plate material: N/A
Torque max (Ncm): 3,000
Controls: Digital
Timer: No
Programmable: No
Reverse rotation: No
Warranty (years): 2
Weight (lbs): 35.3
Dimensions Width (in): 5.7
Dimensions Height (in): 18.3
Dimensions Length (in): 14.1
Manufacturer Specifications 
Stirring quantity max. per stirring position (H2O) 200 l
Motor rating input 490 W
Motor rating output 370 W
Motor principle three-phase current
Speed display LED
Speed range 69 - 1560 rpm
Viscosity max. 100000 mPas
Output max. at stirring shaft 300 W
Permissible ON time 100 %
Torque max. at stirring shaft 3000 Ncm
Torque max. at stirring shaft at 60 1/min (overload) 4642 Ncm
Torque max. at stirring shaft at 100 1/min 3000 Ncm
Torque max. at stirring shaft at 1.000 1/min 285 Ncm
torque I max. 3000 Ncm
torque II max. 620 Ncm
Speed range I (60 Hz) 69 - 330 rpm
Speed range II (60 Hz) 330 - 1560 rpm
Speed control stepless
Setting accuracy speed 1 ±rpm
deviation of speed measurement 10 ±rpm
Stirring element fastening chuck
Chuck range min. diameter 3 mm
Chuck range max. diameter 16 mm
Hollow shaft, inner diameter 13 mm
Hollow shaft (push-through - when stopped) no
Fastening on stand flange
Torque display no
Nominal torque 30 Nm
housing material alu-cast coating / thermoplastic polymer
clean room qualified no
explosion proofed no
Dimensions (W x H x D) 145 x 465 x 358 mm
Weight 16 kg
Permissible ambient temperature 5 - 40 °C
Permissible relative humidity 80 %
Protection class according to DIN EN 60529 IP 54
RS 232 interface no
USB interface no
Analog output no
Voltage 3 x 400 / 3 x 230 V
Frequency 60 Hz
Power input 490 W

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