Accurate microprocessor stirring speed control guarantees speed precision. Anti-spill microprocessor control slow start up prevents sample spills. Large chuck diameter for many shaft types. LCD display and control. Set value and actual value can be displayed for real-time monitoring of torque and speed. Over torque protection automatically stops the motor. PC control via RS232 interface， for control and documenting all measured values via PC. Parameters for this laboratory overhead mechanical stirrer can be set to carry out safety monitoring.
Shaft: L = 40cm (15.75') | D = 8mm (0.315') | Impeller = 5cm (1.97')
| Specifications | OS-20 | OS-40 |
| Maximum stirring capacity | 20 Liters | 40 Liters |
| Maximum torque | 40 Ncm | 60Ncm |
| Viscosity maximum | 10000 mPas/cps | 50000mPas |
| Speed range | 50-2200 rpm | 50-2200rpm |
| Speed/Torque display | LCD | LCD |
| Speed display accuracy | ± 3 rpm | ± 3rpm |
| Speed display resolution | ± 1 rpm | ± 1rpm |
| Chuck diameter range | 0.5 - 10 mm | 0.5-10mm |
| Dimensions | 3.3'W x 8.7'H x 7.3'D | 3.3W x 8.7H x 7.3Dinches |
| Motor type | brushless DC motor | brushless DC motor |
| Motor rating input | 60W | 120W |
| Motor rating output | 50W | 100W |
| Weight | 5.5lbs | 5.5lbs |
| Voltage/Power | 110V 60 Hz | 110V， 60 Hz |
| Overload protection indicator | LED light | LED lights |
| Data connector | RS232 | RS232 |
| Protection class | IP21 | IP21 |
| Permissible ambient temperature and humidity | 5-40°C， 80%RH | 5-40°C， 80%RH |
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