Overhead Stirrers are competent for most demanding tasks with guaranteed safety and performance. They are widely used in chemical synthesis, pharmaceutical synthesis, physical and chemical analysis, petrochemical industries, etc.
| Specifications | OS20-Pro | OS40-Pro | OS70-Pro | OS20-S | OS40-S |
| Max. stirring quantity[H2O] | 20L | 40L | 70L | 20L | 40L |
| Speed range | 50~2200rpm | 50~2200rpm | 50~1100rpm | 50~2200rpm | 50~2200rpm |
| Speed display accuracy | ±3rpm | ±3rpm | ±10rpm | ||
| Time settings range | - | - | 0-99h59min | ||
| Data interface | RS232 | RS232 | RS232 | ||
| Max. torque | 40N ·cm | 60N ·cm | 300N ·cm | 40N ·cm | 60N ·cm |
| Viscosity max. | 10000mPa ·s | 50000mPa ·s | 100000mPa ·s | 10000mPa ·s | 50000mPa ·s |
| Motor type | Brushless DC motor | Brushless DC motor | Brushless DC motor | Brushless DC motor | Brushless DC motor |
| Voltage,Frequency | 100~240V, 50/60 Hz | 100~240V, 50/60 Hz | 100~240V, 50/60 Hz | 100~240V, 50/60 Hz | 100~240V, 50/60 Hz |
| Speed display | LCD | LCD | LCD | LED | LED |
| Torque display | LCD | LCD | LCD | ||
| Overload protection display | LCD | LCD | LCD | LED | LED |
| Chuck clamp range diameter | 0.5~10mm | 0.5~10mm | 0.5~10mm | 0.5~10mm | 0.5~10mm |
| Motor input/output power | 60W/50W | 120W/100W | 180W/160W | 60W/50W | 120W/100W |
| Power | 70W | 130W | 200W | 70W | 130W |
| Dimension[WxHxD] | 83 x 220 x 186mm | 83 x 220 x 186mm | 83 x 220 x 186mm | 83 x 220 x 186mm | 83 x 220 x 186mm |
| Protection class | IP21 | IP21 | IP21 | IP21 | IP21 |
| Permissible ambient temperature and humidity | 5~40℃,80%RH | 5~40℃,80%RH | 5~40℃,80%RH | 5~40℃,80%RH | 5~40℃,80%RH |
| Weight | 2.8kg | 2.8kg | 3.2kg | 2.8kg | 2.8kg |