OS40-S LED Overhead Stirrer
Reliable and cost-effective LED digital overhead stirrer powered by an explosion-proof brushless DC motor. Delivers stable stirring from 50 to 2200 rpm for medium-to-high viscosity sample volumes up to 40L.
50 – 2200 rpm Speed Range | 40L Max. Stirring Capacity | 60 N·cm Torque | Brushless DC Motor
Key Features
- High Torque Performance: Delivers 60 N·cm torque and handles sample viscosities up to 50,000 mPa·s for demanding mixing tasks.
- Brushless DC Motor Drive: Maintenance-free, explosion-proof DC motor ensures long service life and spark-free safety.
- LED Digital Speed Display: Bright LED screen provides real-time monitoring of actual stirring speed.
- Anti-Stall & Overload Protection: Automatic safety circuits stop rotation under stall or over-torque conditions with LED error indicators.
- Universal Keyless Chuck: 0.5 – 10 mm chuck diameter accepts a broad range of stirring impeller shafts.
Technical Specifications
| Specification | OS40-S |
|---|---|
| Max. Stirring Quantity [H2O] | 40 L |
| Speed Range | 50 – 2200 rpm |
| Max. Torque | 60 N·cm |
| Max. Viscosity | 50,000 mPa·s |
| Motor Type | Brushless DC motor |
| Speed & Overload Display | LED |
| Chuck Range Diameter | 0.5 – 10 mm |
| Motor Input / Output Power | 120 W / 100 W |
| Total Power | 130 W |
| Voltage / Frequency | 100-240 V, 50/60 Hz |
| Dimensions (W × H × D) | 83 × 220 × 186 mm |
| Weight | 2.8 kg |
| Protection Class | IP21 |
Stands & Impellers
| Cat. No. | Description | Dimensions / Material |
|---|---|---|
| 18900605 | Universal Plate Stand | 20 × 31 × 78 cm, Cast Iron Base |
| 18900497 | Grand Plate Stand | 33.5 × 46.3 × 78 cm, Cast Iron Base |
| 18900071 | Propeller Stirrer (316L SS) | Shaft L: 40 cm, Stirrer Ø: 5 cm, Shaft Ø: 8 mm |
| 18900073 | Paddle Stirrer (316L SS) | Shaft L: 40 cm, Stirrer Ø: 6.8 cm, Shaft Ø: 8 mm |
| 18900074 | Centrifugal Stirrer (316L SS) | Shaft L: 40 cm, Stirrer Ø: 9 cm, Shaft Ø: 8 mm |
| 18900743 | Set of Overhead Stirrer Tools | 1 vertical rod + 6 stirring blades + disassembling tool |
Note: Stand and impellers can be selected based on vessel volume and fluid viscosity.
