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Do you need help with the inconsistent stirring of multiple samples, affecting the accuracy and efficiency of your laboratory procedures?

The Multi-Position Stirrers STMP9AL from Liberty Scales is your solution, expertly designed to synchronize and refine your lab's stirring processes. This powerful lab equipment ensures uniform mixing and precise speed control across nine separate stirring positions, making it ideal for dissolution studies, titrations, and media/reagent preparations. Whether in educational settings or high-demand scientific environments, this stirrer meets the stringent requirements of modern laboratory operations.

Key Benefits:

  • Enhanced Efficiency: Synchronize the stirring of up to nine 250mL samples simultaneously, significantly boosting your lab’s throughput.
  • Precision Control: Features a microprocessor-controlled system that ensures accurate speed regulation, offering a speed ramping feature to gradually increase motor speed for secure sample coupling and reduced risk of splashing.
  • Versatile and Durable: Constructed with cast aluminum housing and a chemical-resistant, glass-filled nylon top plate, it is designed to handle various laboratory conditions without unintended heating of samples.
  • User-Friendly Design: The digital versions boast independent LED displays for speed and time, available in both digital and non-digital models. In contrast, the non-digital models offer a straightforward knob control with 1-10 dial markings.
  • Safety and Convenience: The built-in timer enhances operational safety by automatically turning off the stirrer and sounding an alarm when the set time expires, ensuring no overruns in stirring duration.
  • 5-Year Warranty: Enjoy peace of mind and long-term reliability with a comprehensive 5-year warranty on your investment.

Purchasing the Multi-Position Stirrers STMP9AL will transform your lab's capabilities, allowing you to focus more on the results and less on the process. Feel the satisfaction and confidence that come from knowing your laboratory operations are powered by specialty stirrers from Liberty Scales, a leader in laboratory equipment. With this stirrer, you're not just buying a product; you're upgrading to a more efficient and reliable workflow that will support your scientific endeavors day after day.

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: 9 x 250mL

  • 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.