ACHIVER OVERHEAD STRIRRER Ohaus e-A51ST040

ACHIVER OVERHEAD STRIRRER Ohaus e-A51ST040

The ACHIVER OVERHEAD STRIRRER Ohaus e-A51ST040 is a powerful digital overhead stirrer engineered for demanding laboratory mixing applications involving high-viscosity materials. With increased torque capability and precise digital control, this model is designed to deliver stable, consistent stirring performance for complex formulations and heavier mixing loads up to 25 liters.

As part of the OHAUS Achiever Overhead Stirrer series, the e-A51ST040 is optimized for handling highly viscous samples while maintaining excellent speed accuracy and operational reliability. Its robust motor provides strong torque output, enabling efficient mixing of thick solutions, suspensions, and emulsions. The compact housing, IP54 protection, and intuitive LED display make it suitable for continuous use in both research and industrial laboratory environments.

Key Features

• High-torque digital overhead stirrer for demanding and high-viscosity applications

• Wide speed range suitable for gentle mixing to intensive agitation

• Enhanced torque output to handle viscous samples up to 25,000 mPa·s

• Digital control system for precise and repeatable speed adjustment

• High speed accuracy ensures consistent and reproducible results

• Bright LED display for clear monitoring of speed and timer settings

• Integrated long-duration timer for unattended stirring processes

• Wide chuck range compatible with various stirring shaft diameters

• Shaft pass-through design allows flexible height and immersion adjustment

• IP54-rated housing for protection against dust and liquid splashes

• Certified safety performance for reliable laboratory operation

Technical Specifications

• Function: Stirring

• Maximum capacity: 25 L

• Speed range: 30 to 2,000 rpm

• Speed accuracy: ±1 rpm

• Maximum sample viscosity: 25,000 mPa·s

• Maximum torque: 40 N·cm

• Chuck range: 1 to 13 mm diameter

• Shaft pass-through diameter: Up to 8.5 mm

• Control type: Digital

• Display: LED display

• Timer range: 1 to 5,999 minutes

• IP rating: IP54

• Dimensions (L × H × W): 9.3 × 11.2 × 3.5 in (235 × 285 × 90 mm)

• Net weight: 9 lb (4.1 kg)

• Power supply: 115 / 230 VAC

• Power consumption: 190 W

• Operating environment: 5°C to 40°C, up to 80% relative humidity, non-condensing

• Safety certification: cNemko

Applications

• Mixing high-viscosity liquids, gels, and polymer solutions

• Preparation of emulsions and suspensions in chemical and pharmaceutical laboratories

• Formulation work in cosmetics, food, and materials research

• Research, quality control, and pilot-scale laboratory processes requiring strong torque and precise speed control