Description
The OS20?S LED Overhead Stirrer delivers reliable, precision stirring for laboratory, industrial, and research applications requiring controlled mechanical agitation of liquids up to 20?L. Equipped with a long?life brushless DC motor and a broad adjustable speed range from 50 to 2200?rpm, it provides stable performance across low? to high?viscosity samples. An intuitive LED display shows actual stirring speed with high accuracy, while built?in safety circuits help prevent damage from overload or stalling. The stirrer?s robust design supports a chuck range accommodating various shaft diameters, and its compact footprint makes it suitable for benchtop setups. Its reliable performance and safety features make it ideal for chemical synthesis, pharmaceutical formulation, and general laboratory mixing tasks.
Specifications
OS20-S LED Overhead Stirrer Specifications
The OS20-S is a reliable overhead stirrer designed for routine laboratory mixing tasks. It features an LED display for speed monitoring and is built with a compact design to save valuable bench space while providing stable performance for medium-viscosity liquids.
Technical Parameters
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Max. Stirring Quantity (H2O): 20 Liters
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Speed Range: 50 – 2200 RPM
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Speed Display Accuracy: ±3 RPM
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Max. Torque: 40 Ncm
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Max. Viscosity: 10,000 mPas
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Chuck Clamping Range Diameter: 0.5 – 10 mm
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Motor Type: Brushless DC motor
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Motor Input Power: 70 W
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Motor Output Power: 50 W
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Power Consumption: 70 W
Physical and Material Data
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Unit Dimensions (W x D x H): 83 x 220 x 186 mm
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Unit Weight: 2.8 kg
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Protection Class: IP21
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Voltage and Frequency: 100-240V, 50/60 Hz
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Permissible Ambient Temperature: 5 – 40°C
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Permissible Relative Humidity: 80% RH
Functional and Safety Features
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LED Speed Display: Allows for clear monitoring of the stirring speed during operation.
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Constant Speed Technology: Microprocessor control ensures that the stirring speed remains stable even as liquid viscosity changes.
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Maintenance-Free Drive: Utilizes a brushless DC motor for quiet, long-lasting performance without the need for internal maintenance.
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Safety Protection: Integrated overload protection automatically stops the motor to prevent damage under high-resistance conditions.
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Through-Shaft Design: Enables the stirring paddle height to be adjusted easily through the top of the unit.
