Overview
The VWR 12620-974 magnetic stirrer (model 986952) is a bench-top magnetic mixer built for routine laboratory mixing and stirring tasks. Operating at 115V 50W, this durable unit combines a powerful motor and magnetic coupling with electronic speed control, making it ideal for research labs, clinical settings, and quality control environments. The cast aluminum top plate and 1500 mL capacity accommodate vessels and beakers commonly used in chemical, pharmaceutical, and life science applications.
Key Features
- Electronic speed control for precise, reproducible results across full 100–1200 RPM range
- 1500 mL stirring capacity with strong magnetic coupling to spin bar
- 16.5 cm (6.5″) cast aluminum top plate provides stable platform for large vessels
- Includes 1.8m (72″) three-wire power cord with plug and Teflon PTFE-coated spinbar
- On/off indicator light for quick visual status confirmation
- Optional support plate allows mounting to lab frames or ring stands
- UL, C-UL listed and CE marked for safety compliance
Technical Specifications
- Part Number: 12620-974
- Model Number: 986952
- Input Voltage: 115V, 50/60 Hz
- Power Rating: 50W
- Speed Range: 100–1200 RPM
- Top Plate Diameter: 16.5 cm (6.5″)
- Capacity: 1500 mL
- Overall Dimensions: 22.2W × 20.3H × 12D cm (8.75″ × 8″ × 4.75″)
- Cord Length: 1.8m (72″)
- Certifications: UL, C-UL, CE
- Control Type: Electronic speed control
Typical Applications
The VWR Dyla-Stir 12620-974 is well-suited for:
- Chemical mixing and solution preparation in R&D labs
- Pharmaceutical formulation and quality control testing
- Clinical and hospital laboratory sample mixing
- Food science and cosmetics research stirring
- General routine laboratory stirring and blending tasks
- Educational demonstrations in chemistry and biology
Compatibility & Replacements
Compatible With
- Standard laboratory beakers and flasks (up to 1500 mL)
- Round-bottomed vessels with PTFE-coated spin bars
- Benchtop laboratory setups
- Optional VWR support plates for ring stand mounting
Replaces / Drop-In Replacement For
- Earlier VWR Dyla-Stir models in the magnetic stirrer line
- General-purpose magnetic stirrers requiring 100–1200 RPM mixing capability
Works With
- PTFE-coated magnetic spin bars (included)
- Standard laboratory bench power outlets (120V)
- Ring stands and support frames via optional mounting plate
- Incubators and closed-vessel applications (with proper ventilation)
