Overhead Stirrers are competent for most demanding task with guaranteed safety and performance. They are widely used in chemical synthesis, pharmaceutical synthesis, physical and chemical analysis, petrochemical industries, etc.
Key Features
- High reliability and outstanding performance.
- LCD display for precise monitoring of set and actual speeds, a wide range of speed from 50 to 2200rpm with control accuracy of ±3rpm.
- Brushless DC motor for long life, maintenance free and explosion proof Torque trend display for real-time information on viscosity, changes.
- Safety circuits allow for safe stop function in anti-stall or overload conditions.
- Smooth operation prevents accidental spillage and splashing.
- Provides constant speed even with changes in viscosities of the samples.
- Remote function provide PC control and data transmission.
- Availability of auto-restart function in case of power loss for overnight operations.
| Specifications | OS20-Pro |
| Max. stirring quantity[H2O] | 20L |
| Speed range | 50-2200rpm |
| Speed display accuracy | ±3rpm |
| Max. torque | 40Ncm |
| Viscosity max. | 10000mPas |
| Weight | 2.8kg |
| Motor type | brushless DC motor |
| Voltage | 100-220V, 50/60 Hz |
| Speed display | LCD |
| Torque display | LCD |
| Overload protection display | LED lights |
| Chuck range diameter | 0.5-10mm |
| Motor input/output power | 60W/50w |
| Power | 70W |
| Dimension[W×D×H] | 83x220x186mm |
| Protection class | IP21 |
| Permissible ambient temperature and humidity | 5-40°C, 80%RH |
| Data connector | RS232 |
| Overhead Stirrer | |||
| Cat. No. | P/N | Descriptions | Power supply |
| 8033100100 | OS20-Pro | LCD Digital Overhead Stirrer , Max. stirring quantity 20L, with 18900071 & 18900258 free | USA plug,100V-220V/50Hz/60Hz |
| Cn plug,100V-220V/50Hz/60Hz | |||
| Euro plug,100V-220V/50Hz/60Hz | |||
| UK plug,100V-220V/50Hz/60Hz | |||
| Accessories | ||
| Cat. No. | Descriptions | |
| 18900258 | Universal plate stand(WxD: 20x31cm), including support holder(H: 78cm) and fixing device Grey | |
| 18900131 | Universal plate stand(WxD: 20x31cm), including support holder(H: 78cm) and fixing device | |
| 18900071 | Crossed stirrer, shaft length 40cm,stirrer diameter 5cm, 316L stainless steel | |
| 18900072 | Straight stirrer, shaft length 40cm,stirrer diameter 6cm, 316L stainless steel | |
| 18900073 | Blade stirrer, shaft length 40cm,stirrer diameter 6.8cm, 316L stainless steel | |
| 18900074 | Centrifugal stirrer, shaft length 40cm,stirrer diameter 9cm, 316L stainless steel | |
| 18900075 | Crossed stirrer, shaft length 35cm,stirrer diameter 6.5cm, PTFE coated | |
| 18900076 | Straight stirrer, shaft length 35cm,stirrer diameter 7cm, PTFE coated | |
| 18900077 | Blade stirrer, shaft length 35cm,stirrer diameter 6.8cm, PTFE coated | |
| 18900078 | Centrifugal stirrer, shaft length 35cm,stirrer diameter 8.5cm, PTFE coated | |
| 18900330 | Crossed stirrer, shaft length 40cm,stirrer diameter 5cm, 316L stainless steel （prevent the liquid spills） | |