Ohaus Multi-Position Stirrers

Category Magnetic Stirrers
Manufacturer Ohaus
Country of manufacture the United States of America

Powerful Magnetic Stirrers available in either four or nine position capacities provide precise speed control that deliver repeatable performance. Offered in both digital and non-digital models.

For Dissolution Studies, Titrations, Media/Reagent Preparations, Synchronized Stirring of multiple samples. Independent LED displays for speed and time (on digital models); Knob with 1-10 dial markings (on non-digital models). Cast aluminum housing, glass filled nylon top plate. Includes stir bars to accommodate each stirring position. Speed ramping feature slowly increases motor speed for enhanced coupling & improved stirring. Microprocessor-controlled for precise speed regulation. Timer counts up or when programmed to a set time will turn off stirring & sound alarm when timer reaches zero.


  • The 318 x 279 mm top plate accommodates up to 9x250 mL or 4 x 1 L flasks. The glass-filled nylon surface has a reflective white color, is chemical-resistant minimizes unintended heating of samples.
  • Speed ramping feature slowly increases the motor speed for improved safety and enhanced coupling. Avoids splashing, improves spin bar control and provides excellent low-end speed control.
  • Digital models have touchpad controls for input of speed & time. Non-digital models have an adjustment knob with dial markings from 1-10. The microprocessor regulates adjustments throughout the range.
Key Attributes 
Maximum volume (L): 4 x 1L or 9 x 250mL
Minimum Volume (L): N/A
Speed max (rpm): 1400
Speed min (rpm): 60
Max temperature (◦C): N/A
Plate: Round
Plate material: Glass filled nylon
Torque max (Ncm): N/A
Controls: Analog or Digital
Timer: Digital model only
Programmable: No
Reverse rotation: No
Warranty (years): 5
Weight (lbs): 14 lbs
Dimensions Width (in): 4
Dimensions Height (in): 17
Dimensions Length (in): 11
Manufacturer Specifications


Capacity 4 x 1L 9 x 250mL 4 x 1L 9 x 250mL
Control Analog Digital
Dimensions 4 in x 17 in x 11 in (970 mm x 432 mm x 279 mm) (HxLxW)
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)
Power 120V, 50/60Hz
Power Consumption 75 W 90 W
Safety Certification UL; cUL
Speed Range 60 rpm to 1400 rpm
Timer N/A 1 second – 160 hours
Working Environment 41°F – 104°F, 80%RH, non-condensing (5°C – 40°C, 80%RH, non-condensing)

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Ohaus Multi-Position Stirrers Accessories