Lab Companion™ MS-33MH Hotplate & Magnetic Stirrer, Multi-Position (3x3), 120v

Product no.: AAHK34013U

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Delivery weight: 24 lb

Lab Companion™ 


MS-33MH Hotplate-Magnetic Stirrer, Multi-Position (3x3) Matrix, 120v


Simultaneous independent stirring is available at max. 15 points with stable heating. Various heating and mixing applications that require accuracy, stability, and repeatability.


Model MS-33MH MS-53MH


Temperature range (℃ / ℉)

Max. 120 / 248



Heating power (W)




Speed range (rpm)

30 to 2,000


Feedback control with PID

Stirring position



Stirring point distance (WxD, mm / inch)

117x90 / 4.61x3.54


1min. to 99 hr. 59 min.


BLDC motor

Motor rating input / output (W)per each point


Magnetic bar, Max. (ØxL, mm / inch)

8x30 / 0.31x1.18


Over temp.

Top plate

Over current

Current limit protection

Load, Max (kg / Ibs)

30 / 66.14

Top plate



Dimension (WxD) (mm / inch)

385x328 / 15.16x12.91

385x493 / 15.16x19.41



Powder coated steel

Dimension (WxDxH) (mm / inch)

395x450x104 / 15.55x17.72x4.09

395x614x104 / 15.55x24.17x4.09

Net weight (kg / Ibs)

10 / 22.05

15 / 33.06

Electrical requirements (230V, 50/60Hz) 4.1 A 5.8 A
Cat. No. AAHK34015K AAHK34025K
Electrical requirements (120V, 60Hz) 8.0 A 11.2 A
Cat. No. AAHK34013U AAHK34023U
Warranty (years) 2 2

FDA registered company.


Performance & Convenience

  • Ideal for the multiple sample testing under the same condition.
    - Maximum 15 independently controlled stirring positions on one heated top plate.
  • User-friendly operation and time setting modes allowing various ways of multi-position stirring to meet users’ demands: single point, multiple point, whole row, whole column, etc.
  • Integrated design of the heater and the top plate provides exceptional heat transfer rate and quick heat up capability.
  • Fast and precise stirring operations are enabled by BLDC motor and special magnet with extremely strong magnetic coupling power.
  • Smooth-start mechanism provides virtually no decoupling of stir bars even with viscous media.
  • Instant halt of the stirring operation.
  • Easy-to-read VFD and intuitive control panel.
  • Bright and vivid LED stirring position indicating lamps and heating operation lamp for stable operations.
  • High heat transfer aluminum top-plate. 


  • Unit is safely designed to protect internal components from accidental spills.
  • Non-slip silicon plate mat is attached on the top plate to prevent unintended slips
  • Built in thermal shut off and current limit protection.

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