Details
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:
-
RW 28 digital
-
R 2723 Telescopic stand
-
R 1385 Propeller stirrer
-
R 271 Boss head clamp
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 |