Ohaus Large Volume Stirrers

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

OHAUS offers four models for stirring capacities between 25 to 200 L allowing you to choose the right model for your application. The broad top plate surface allows processing of oversized vessels such as carboys for your large volume stirring. The powerful magnetic drive is also capable of mixing highly viscous materials.

For Carboys, Chromatography, Mixing viscous materials, polymers, pilot scale and other large volume Stirring and Mixing. Independent LED displays for speed, and time (on digital models); Knob with 1-10 dial markings (on non-digital models). High Volume Stirrers feature a cast aluminum housing and glass filled nylon top plate. Large Capacity Stirrers feature both stainless steel housing and top plate. Models include either a 70 mm egg shaped stir bar or 102 mm stir bar with pivot ring. 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 0.


  • High Volume Stirrers (STLC1DG and STLC2DG) with a 100 or 200 L capacity are made with a stainless steel base offering durability and stability, and feature a 54 x 63 cm stainless steel top plate.
  • High Volume Stirrers (STHVAL and STHVDG) have a large 32 x 28 cm top plate that is chemical-resistant with a white reflective surface that is easy to clean. Digital and nondigital models allow you to choose the right model for your application.
  • 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.
Key Attributes 
Maximum volume (L): 25 L, 100L, or 200L
Minimum Volume (L): N/A
Speed max (rpm): 1400 or 1800
Speed min (rpm): 60 or 100
Max temperature (◦C): N/A
Plate: Round
Plate material: Glass filled nylon, or Stainless Steel
Torque max (Ncm): N/A
Controls: Analog or Digital
Timer: Digital model only
Programmable: No
Reverse rotation: No
Warranty (years): 5
Weight (lbs): 13.6 or 67 lbs
Dimensions Width (in): 4 or 5.25
Dimensions Height (in): 17  or 28.5
Dimensions Length (in): 11 or  26.75
Manufacturer Specifications
Capacity 25 L 25 L 100 L 200 L
Control Analog Digital
Dimensions 4 in x 17 in x 11 in (97 mm x 432 mm x 279 mm) (HxLxW) 5.25 in x 28.5 in x 26.75 in (133 mm x 724 mm x 680 mm) (HxLxW)
Net Weight 13.6 lb (6.2 kg) 67 lb (30.4 kg)
Plate Construction Glass Filled Nylon Stainless Steel
Plate Size 12.5 in x 11 in (318 mm x 279 mm) 21.25 in x 25 in (540 mm x 635 mm)
Power 120V, 1.3A, 50/60Hz 120V, 1.0A, 50/60Hz
Power Consumption 75 W 41 W 82 W
Safety Certification UL; cUL TUV
Speed Range 60 rpm to 1400 rpm 100 rpm to 1800 rpm
Timer N/A 1 second – 160 hours
Working Environment 41°F – 104°F, 20% to 80%RH non-condensing (5°C – 40°C, 20% to 80% RH, non-condensing)

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Ohaus Large Volume Stirrers Accessories