Laboratory Stirrers Feature Comparison Chart

A - Application
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A1 - General Mixing

General overhead mixing stirrers, such as the IKA EUROSTAR 40 models, are ideal for mixing low viscosity liquids below 7,000 mPas (millipascal-seconds). Applications include cell media preparation or soft tissue grinding for drug development.

A2 - High Viscosity Liquids

High-viscosity overhead stirrers, like IKA’s EUROSTAR 100, include interchangeable blades and drive shafts to ensure thorough stirring or homogenization. Ideal for mixing solutions above 7,000 mPas (millipascal-seconds), such as polymers, plastics, adhesives, glues and coatings.

B - Maximum Speed
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Listed in revolutions per minute (rpm), standard overhead stirrers carry a user-adjustable mixing speed range between 30 – 1,500 rpm. However, high-speed models, such as IKA’s EUROSTAR 20, maintain speeds up to 2,000 rpm for low-volume mixing (under 15 ml).

C - Maximum Viscosity
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Max-viscosity stirrers, like IKA’s EUROSTAR 200, are designed to mix solutions up to 150,000 mPas. The dynamic viscosity, reported in millipascal-seconds (mPas), refers to the thickness of the fluid during mixing. As batch solutions may increase in viscosity during the stirring process, the maximum viscosity specification of the overhead stirrer must meet or exceed the highest attainable dynamic viscosity of the solution.

D - Lab Stirrer Capacity
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Capacity refers to the maximum volume of fluid, reported in liters, safely and effectively mixed by the overhead stirrer. Unless otherwise noted in the manufacturer specifications, the maximum volume assumes the liquid to be water.

High-volume overhead stirrers, like IKA’s RW47, are designed to homogenize up to 200 liters of fluid.

E - Application-Specific Lab Stirrer Features
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E1 - Wireless Lab Stirrer Controller

IKA’s EUROSTAR overhead stirrers include a wireless digital controller featuring automatic speed adjustment, programmable functions, multilingual display, timed interval operation, lock/unlock modes, and integrated temperature measurement.

• Eurostar 20
• Eurostar 40
• Eurostar 60
• Eurostar 100
• Eurostar 200

E2 - Reversible Stirring

Reversible stirring models, like IKA’s EUROSTAR 100, are designed to rotate the stirring shaft in clockwise (standard) and counter-clockwise (reversible) directions. For highly-viscous solutions, reversible stirring ensures the fluid is thoroughly mixed.

E3 - Lab Stirrer Overload Protection

Stirrers with overload or overheat protection, like IKA’s EUROSTAR 60, automatically shut down if conditions fall outside of the operating range. Overload protection guards the motor and electronics from heat-related damage during continuous-duty mixing.

E4 - Lab Stirrer Software Integration

Digital overhead stirrers, like IKA’s EUROSTAR 200, include controllers with data export functions compatible with third-party software, such as laboratory information management systems (LIMS). Password-protected profiles and secure data export operations are optimal for cGMP facilities.

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