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Are you struggling with inefficient mixing processes in your lab, leading to inconsistent results and increased manual effort?

The Multi-Position Stirrers STMP4AL from Liberty Scales is your solution. Engineered for high-performance and synchronized mixing, this laboratory equipment dramatically enhances your mixing efficiency. Whether conducting dissolution studies, titrations, or preparing media and reagents, this stirrer ensures synchronized stirring of multiple samples, guaranteeing uniform results with minimal effort.

Key Benefits:

  • Versatile Capacity: Accommodates up to four 1-liter flasks, ideal for medium to high-volume laboratory needs.
  • Advanced Control Features: Both digital and non-digital models are available, with digital models featuring touchpad controls for precise speed and time settings, and non-digital models offering simple knob control with clear 1-10 dial markings.
  • High Precision: Microprocessor-controlled speed regulation maintains consistent speed for reliable results.
  • Durable Construction: Features a cast aluminum housing and a chemical-resistant, glass-filled nylon top plate that minimizes heat transfer to samples.
  • Enhanced Safety and Efficiency: The speed ramping feature gradually increases motor speed to prevent splashing and enhance magnetic coupling, improving overall safety and performance.
  • 5-Year Warranty: Enjoy peace of mind and long-term reliability with a comprehensive 5-year warranty on your investment.

Imagine a lab where every experiment or test runs smoothly with repeatable accuracy, free from the hassle of manual mixing. By integrating the Multi-Position Stirrers STMP4AL into your laboratory, you'll not only save time but also enhance the consistency and reliability of your experimental outcomes. Feel the satisfaction of streamlined operations and dependable results with Liberty Scales' specialty stirrers—where innovation meets precision in laboratory equipment.

Reach out to our dedicated team for further information and personalized assistance. Call us at (661) 888-1919 or email us at We're here to help you every step of the way!


  • Timer: 1 second – 160 hours

  • Control: Analog

  • Power Consumption: 75 W

  • Dimensions: 17 in x 4 in x 11 in (432 mm x 970 mm x 279 mm) (LxHxW)

  • Net Weight: 14 lb (6.3 kg)

  • Plate Construction: Glass Filled Nylon

  • Plate Size: 12.5 in x 11 in (318 mm x 279 mm)

  • Safety Certification: UL; cUL

  • Working Environment: 41°F – 104°F, 80% RH, Non-condensing (5°C – 40°C, 80% RH, Non-condensing)

  • Speed Range: 60 rpm to 1400 rpm

  • Capacity: 4 x 1L

  • Power: 120V, 1.3A, 50/60Hz
  • Free Shipping: Available across 48 continental USA. Extra charges may apply for residential, farm, or rural areas.
  • Express Shipping: Overnight and faster shipping options available at additional costs. Quotes obtainable via email.
  • Delivery Time: Typically 5 to 7 business days, varying by location and external conditions.
  • Tracking Information: Provided via email upon shipment. Accessible through account login. Additional information available upon request.
  • Return Policy: 15-day return period for unused, original condition products. A 25% restocking fee applies. Buyer covers original and return shipping costs.
  • Customer Support: Contact at (661) 888-1919 or for queries or concerns about shipping.