Overhead Stirrers (High Performance)

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Ideal for digital controlled high performance stirring task.

Intelligent speed controller enables reproducible results under varying viscosity condition.

Performance & Convenience

  • Years of vibration-free and silent operation.
    – Equipped with a maintenance-free BLDC motor to generate smooth, quiet, and yet powerful stirring.
  • Powerful torque capable of handling high viscosity tasks.
  • Maintenance of constant motor speed by PID feedback control system even under conditions of changing viscosity.
  • Best effort function intelligently manages its stirring speed to keep stirring even workload is out of its capacity.
  • Prevention of accidental spills or splashes thanks to microprocessor controlled smooth start and stop functions.
  • Well illuminated digital display panel with sensitive touch buttons.
    – Set/present rpm, power ratio (%) and run time are visible together on one screen.
  • Stirring directions are selectable depending on each impeller’s shape.
  • Built-in USB port for external control and data collection.
    – Lab Companion software and USB cable are provided.
  • Compact and slim head design for diverse flexibility in configuring other test equipment and accessories. (optional)


  • Sturdy aluminum main body efficiently absorbing and emitting the heat generated by the motor.
  • Safety features against overload and overheating for continuous operation.
  • Keypad lock function prevents accidental changes.
Model MSD-0420
Speed control PID feedback control
Speed range (rpm) 80 to 2,000
Chuck range (mm / inch, dia) 3 to 10 / 0.1 to 0.4
Stirring capacity, Max. (L, H2O) 20
Viscosity, Max. (cP) 1) 5,000 (~2,000rpm) / 10,000 (~1,200rpm) / 30,000 (~300rpm) / 50,000 (~200rpm)
Torque, Max. (N·cm) 19
Motor rating input / output (W) 70 / 40
Material Body / Cover / Motor Powder coated aluminum / Polypropylene / BLDC
Dimension Overall (W×D×H) (mm / inch) 75x215x150 / 2.9x8.5x5.9
Net weight (Kg / lbs) 2.8 / 6.2
Protection class (DIN EN 60529) IP30
Electrical requirements (230V 50/60Hz) 0.5A
Cat. No. AAH373225K
Electrical requirements (120V 60Hz) 0.5A
Cat. No. AAH373225U

1) Silicone oil with using 3-bladed propeller impeller(Ø50) under room temperature of 26℃, 60%RH, no load.
※ Permissible environmental conditions: temperature (5-40℃) and relative humidity (up to 80%).
※ Main body comes together with chuck handle and attaching rod.
※ Above specifications can be changed without prior notice.

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