RW 28 Digital Overhead Stirrer
Description
The RW 28 Digital Overhead Stirrer is a powerful, mechanically controlled laboratory stirrer designed specifically for highly viscous applications, accommodating quantities of up to 80 liters (H2O). Ideal for intensive mixing purposes in laboratories and pilot plants, this stirrer is equipped with advanced safety features, including a self-locking temperature limiter that protects the motor from overheating. For added security, stirring shaft protection and clamping fixtures are available as optional accessories.
Features
- Digital speed display for precise monitoring
- Infinitely adjustable speed within two distinct speed ranges
- Push-through agitator shafts designed for easy use
- Integrated overload protection to enhance safety
- Error code display for troubleshooting
- Robust and ergonomic design for user comfort
- Quiet operation, ensuring a peaceful laboratory environment
- Equipped with a constant power drive for consistent performance
Specifications
| Feature |
RW 28 Digital |
| Stirring Quantity Max (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 60 1/min (Overload) |
1144 Ncm |
| Torque Max at 100 1/min |
900 Ncm |
| Torque Max 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 |
| 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 |
