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IKA RW 20 Digital Mechanical Overhead Stirrer

NewIKAOverhead stirrersUnited States

From€974.84excl. VAT

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Stirring quantity max. per stirring position (H2O)
20 l
Motor rating input
85 W
Motor rating output
35 W
Speed display
LED
Speed range
60 - 2000 rpm
All 37 specifications
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Specifications 37

Brands
IKA
New/Used
New
Stirring quantity max. per stirring position (H2O)
20 l
Motor rating input
85 W
Motor rating output
35 W
Speed display
LED
Speed range
60 - 2000 rpm
Viscosity max.
10000 mPas
Output max. at stirring shaft
26 W
Permissible ON time
100 %
Torque max. at stirring shaft
150 Ncm
Torque max. at stirring shaft at 60 1/min (overload)
300 Ncm
Torque max. at stirring shaft at 100 1/min
150 Ncm
Torque max. at stirring shaft at 1.000 1/min
24 Ncm
Speed range I (50 Hz)
60 - 500 rpm
Speed range II (50 Hz)
240 - 2000 rpm
Speed range I (60 Hz)
72 - 600 rpm
Speed range II (60 Hz)
288 - 2400 rpm
Speed control
stepless
Setting accuracy speed
1 ±rpm
Deviation of speed measurement
30 ±rpm
Stirring element fastening
chuck
Chuck range diameter
0.5 - 10 mm
Hollow shaft, inner diameter
10.5 mm
Hollow shaft (push-through - when stopped)
yes
Fastening on stand
extension arm
Extension arm diameter
13 mm
Extension arm length
160 mm
Nominal torque
1.5 Nm
Dimensions (W x H x D)
88 x 294 x 212 mm
Weight
3.1 kg
Permissible ambient temperature
5 - 40 °C
Permissible relative humidity
80 %
Protection class according to DIN EN 60529
IP 20
Voltage
220 - 240 / 100 - 115 V
Frequency
50/60 Hz
Power input
87 W

Product description

Powerful digital stirrer with a robust design and ergonomic features.

IKA RW 20 Digital Mechanical Overhead Stirrer

Speed Range 60 to 2,000 RPM Viscosity Max. 10,000 mPas Stirring Quantity Max. 20 l

Features

  • With digital display
  • Robust, slimline, ergonomic design
  • Technical improvements on the trusted RW 20 series designs
  • With constant power-drive
  • Two speed ranges for universal use from 60 - 2.000 rpm
  • Push-through agitator shafts (only when stationary)
  • For stirring quantities of up to 20 l (H2O)

The RW 20 Digital Stirrer is designed with a robust, slimline, ergonomic design and features a digital display. It incorporates technical improvements on the trusted RW 20 series designs and offers a constant power-drive. The stirrer has two speed ranges for universal use, from 60 - 2000 rpm, and push-through agitator shafts (only when stationary). It is capable of stirring quantities up to 20 liters (H2O) with a maximum motor rating input of 85 W and output of 35 W. The device includes an LED speed display and stepless speed control, with a maximum viscosity of 10000 mPas and a nominal torque of 1.5 Nm. The stirring element is fastened by a chuck, and the device features a mechanical speed control with an accuracy of ±1 rpm. The RW 20 Digital Stirrer has dimensions of 88 x 294 x 212 mm and weighs 3.1 kg.

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Frequently asked questions

How long does laboratory equipment typically last?

With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.

Can I get service for older equipment?

Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.

Where can I buy parts?

Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.

What is the typical lead time for refurbished equipment?

Two to six weeks, depending on refurbishment scope and whether calibration is included.

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Last updated 5 November 2026