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IKA Mechanical Overhead Stirrers

SKU	Speed Max	Viscosity Max.	Nominal Torque	Models	Stirring Quantity Max. per Stirring (L) Position (H2O)	Price (excluding VAT)	Availability	Qty To Purchase
0003593002	2000 rpm	10000 mPas	1.5 Nm	RW 20 Digital	20	£1193.00	Usually Shipped in 2-3 Weeks	Contact Us for Exact Information
0005040002	1400 rpm	50000 mPas	9 Nm	RW 28 Digital	80	£3210.00	Usually Shipped in 2-3 Weeks	Contact Us for Exact Information
0004050000	1300 rpm	100000 mPas	30 Nm	RW 47 Digital	200	£5786.00	Usually Shipped in 2-3 Weeks	Contact Us for Exact Information

Please note RW 20 digital - Image does not correspond to scope of delivery

IKA offers the ideal overhead stirrer for your stirring and mixing tasks in the lab - for lower to high viscosities. IKA overhead stirrers effortlessly process stirring quantities of up to 200 liters. IKA lab stirrers stand out due to their indispensable features, including an electronic safety circuit, a digital display, two speed ranges, and a controlling option via the lab software Labworldsoft. A broad spectrum of stirring tools is the key to successful mixing.
Functionality, safety, and longevity are the main goals in the development of IKA's overhead stirrers.

Specifications

Model	RW 20 Digital	RW 28 Digital	RW 47 Digital
	The bestseller in the laboratory: 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) Scope of delivery RW 20 digital Chuck key	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 Scope of delivery RW 28 digital Chuck key	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, a stirring shaft protection (R 303) and a clamping fixture (R 6547.1) to secure mixing vessels are available as accessories. 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 SI 400 safety switch and SI 474 fixing device are available as optional accessories allowing the user to switch on the instrument only at a defined height in the stand’s working range The device requires a 3-phase electricity supply and power cord (not included in scope of delivery) in order to operate. The connection of the unit to the power supply must be done by a qualified electrician. Wiring diagrams are included in the manual for reference. Scope of delivery RW 47 digital Chuck key
Identity No	0003593002	0005040002	0004050000
Stirring quantity max. per stirring position (H2O)	20 l	80 l	200 l
Motor rating input	70 W	220 W	511 W
Motor rating output	35 W	90 W	370 W
Motor principle			three-phase current
Speed display	LED	LED	LED
Speed min.	60 rpm	60 rpm	57 rpm
Speed max.	2000 rpm	1400 rpm	1300 rpm
Viscosity max.	10000 mPas	50000 mPas	100000 mPas
Output max. at stirring shaft	26 W	90 W	300 W
Permissible ON time	100 %	100 %	100 %
Torque max. at stirring shaft	150 Ncm	900 Ncm	3000 Ncm
Torque max. at stirring shaft at 60 1/min (overload)	300 Ncm	1144 Ncm	4642 Ncm
Torque max. at stirring shaft at 100 1/min	150 Ncm	900 Ncm	3000 Ncm
Torque max. at stirring shaft at 1.000 1/min	24 Ncm	86 Ncm	285 Ncm
Torque I max.		900 Ncm	3000 Ncm
Torque II max.		300 Ncm	620 Ncm
Speed range I: speed min. (at 50 Hz)	60 rpm	60 rpm	57 rpm
Speed range I: speed max. (at 50 Hz)	500 rpm	400 rpm	275 rpm
Speed range II: speed min. (at 50 Hz)	240 rpm	240 rpm	275 rpm
Speed range II: speed max. (at 50 Hz)	2000 rpm	1400 rpm	1300 rpm
Speed range I: speed min. (at 60 Hz)	72 rpm	72 rpm
Speed range I: speed max. (at 60 Hz)	600 rpm	480 rpm
Speed range II: speed min. (at 60 Hz)	288 rpm	288 rpm
Speed range II: speed max. (at 60 Hz)	2400 rpm	1680 rpm
Speed adjustment	stepless	stepless	stepless
Setting accuracy speed	±1 rpm	±1 rpm	±1 rpm
Deviation of speed measurement	±30 rpm	±10 rpm	±10 rpm
Stirring element fastening	chuck	chuck	chuck
Chuck range min. diameter	0.5 mm	1 mm	3 mm
Chuck range max. diameter	10 mm	10 mm	16 mm
Hollow shaft, inner diameter	10.5 mm	10.5 mm	13 mm
Hollow shaft (push-through - when stopped)	yes	yes
Fastening on stand	extension arm	extension arm	flange
Extension arm diameter	13 mm	16 mm
Extension arm length	160 mm	145 mm
Speed control	mechanical	mechanical	mechanical
Nominal torque	1.5 Nm	9 Nm	30 Nm
Housing material		alu-cast coating / thermoplastic polymer	alu-cast coating / thermoplastic polymer
Noise without element		62.5 dB(A)
Width	88 mm	123 mm	145 mm
Depth	212 mm	252 mm	358 mm
Height	294 mm	364 mm	478 mm
Weight	3.1 kg	7.5 kg	16.6 kg
Permissible ambient temperature min.	5 °C	5 °C	5 °C
Permissible ambient temperature max.	40 °C	40 °C	40 °C
Permissible ambient conditions		80 %
Permissible relative humidity	80 %		80 %
Protection class according to DIN EN 60529	IP 20	IP 40	IP 54
Voltage	220 - 240 / 100 - 115 V	220 - 240 / 115 / 100 V	3 x 400 / 3 x 230 V
Frequency	50/60 Hz	50/60 Hz	50 Hz
Power input	72 W	220 W	513 W