Overhead Stirrers

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Overhead Stirrers

Code:

RW 28 Digital Package Overhead Stirrers

Description:

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. 
 
 Package consisting of:

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RW 28 digital
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R 2723 Telescopic stand
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R 1385 Propeller stirrer
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R 271 Boss head clamp
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Specifications:

Model	RW 28 Digital Package
Stirring quantity max. per stirring position (H2O)	80 l
Motor rating input	220 W
Motor rating output	90 W
Speed display	LED
Speed range	60 - 1400 rpm
Viscosity max.	50000 mPas
Output max. at stirring shaft	90 W
Permissible ON time	100 %
Torque max. at stirring shaft	900 Ncm
Torque max. at stirring shaft at 60 1/min (overload)	1144 Ncm
Torque max. at stirring shaft at 100 1/min	900 Ncm
Torque max. at stirring shaft at 1.000 1/min	86 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 control	stepless
Setting accuracy speed	1 ±rpm
deviation of speed measurement	10 ±rpm
Stirring element fastening	chuck
Chuck range min. diameter	1 mm
Chuck range max. diameter	10 mm
Hollow shaft, inner diameter	10.5 mm
Hollow shaft (push-through - when stopped)	yes
Fastening on stand	extension arm
Extension arm diameter	16 mm
Extension arm length	145 mm
Torque display	no
Speed control	mechanical
Nominal torque	9 Nm
housing material	alu-cast coating / thermoplastic polymer
clean room qualified	no
explosion proofed	no
Noise without element	62.5 dB(A)
Dimensions (W x H x D)	123 x 364 x 252 mm
Weight	7.5 kg
Permissible ambient temperature	5 - 40 °C
Permissible relative humidity	80 %
Protection class according to DIN EN 60529	IP 40
RS 232 interface	no
USB interface	no
Analog output	no
Voltage	220 - 240 / 115 / 100 V
Frequency	50/60 Hz
Power input	220 W

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Overhead Stirrers

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