Hotplate Magnetic Stirrer Ecostir-E
Compact magnetic stirrer with brushless DC motor providing 300-2000 rpm mixing speeds for aqueous solutions up to 2L volume on a 120×115mm PET work plate.
| Automation Level | manual |
| Speed Range | 300~2000rpm |
| Work Plate Size | 120*115mm |
| Work Plate Material | PET |
| Max. Stirring Quantity(H₂O) | 2L |
| Motor Type | Brushless DC motor |
The Hotplate Magnetic Stirrer Ecostir-E is a compact benchtop instrument designed for routine mixing and heating applications in laboratory environments. This entry-level magnetic stirrer employs a brushless DC motor to provide consistent magnetic field rotation at speeds from 300 to 2000 rpm, accommodating magnetic stir bars up to 40mm in length for effective mixing of aqueous solutions up to 2L volume.
The unit features a 120×115mm PET work plate surface and operates with low power consumption (8W total, 1.2W motor output) while maintaining IP21 protection class rating. With its compact 150×144×54mm footprint and 0.3kg weight, the Ecostir-E provides essential magnetic stirring capabilities for basic laboratory preparations, sample mixing, and solution homogenization protocols.
How It Works
The Ecostir-E operates through electromagnetic induction principles using a brushless DC motor positioned beneath the work plate. The motor generates a rotating magnetic field that couples with a magnetic stir bar placed in the sample vessel. As the magnetic field rotates at the set speed, the stir bar follows this rotation, creating a vortex motion that promotes mixing through convective flow patterns within the liquid.
The brushless DC motor design eliminates mechanical wear associated with traditional brushed motors while providing consistent torque across the 300-2000 rpm speed range. The PET work plate material provides chemical resistance to common laboratory solvents while allowing efficient magnetic field transmission. Speed adjustment is controlled via a manual scale setting, allowing operators to optimize mixing intensity based on solution viscosity and volume requirements.
Features & Benefits
Automation Level
- manual
Speed Range
- 300~2000rpm
Work Plate Size
- 120*115mm
Work Plate Material
- PET
Max. Stirring Quantity(H₂O)
- 2L
Motor Type
- Brushless DC motor
Max. Magnetic Bar(Length)
- 40mm
Speed Setting
- Scale
Protection Class
- IP21
Motor Output Consumption
- 1.2W
Consumption
- 8W
External Size(W*D*H)
- 150*144*54mm
Packing Size(W*D*H)
- 320*210*150mm
Brand
- ConductScience
Research Domain
- Analytical Chemistry
- Cell Biology
- Clinical Diagnostics
- Environmental Monitoring
- Microbiology
- Pharmaceutical QC
Power/Voltage
- AC100~240V, 50/60Hz
Weight
- 0.3kg
Weight
- 0.3 kg
Dimensions
- L: 5.4 mm
- W: 15.0 mm
- H: 14.4 mm
Comparison Guide
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Motor Type | Brushless DC motor | Entry-level models often use brushed motors | Eliminates brush maintenance and provides consistent performance over extended operating periods. |
| Speed Range | 300-2000 rpm | Basic models may offer narrower speed ranges | Accommodates both gentle mixing and vigorous homogenization requirements in a single unit. |
| Maximum Capacity | 2L stirring volume | Compact stirrers often limited to 1L or less | Handles larger preparation batches and standard laboratory volumes without requiring multiple setups. |
| Work Plate Material | PET construction | Basic models may use standard plastic materials | Provides chemical resistance to common laboratory solvents and reagents. |
| Power Consumption | 8W total consumption | Varies by model and motor type | Low power operation reduces heat generation and operating costs during extended use. |
| Protection Rating | IP21 protection class | Basic models may lack specified protection ratings | Documented protection against water dripping and solid objects enhances reliability in laboratory environments. |
The Ecostir-E combines maintenance-free brushless motor technology with practical 2L mixing capacity and chemical-resistant PET work plate construction. Low 8W power consumption and IP21 protection rating provide efficient, reliable operation for routine laboratory mixing applications.
Practical Tips
Start mixing at minimum speed and gradually increase to prevent stir bar decoupling, especially with larger volumes or viscous solutions.
Why: Sudden high-speed startup can cause the stir bar to lose magnetic coupling and stop rotating effectively.
Clean the PET work plate with mild detergent after each use to prevent chemical residue buildup that could affect magnetic field transmission.
Why: Residue accumulation can interfere with magnetic coupling efficiency and potentially damage the work plate surface.
Verify actual stirring speed using a tachometer if precise rpm values are critical for your protocol.
Why: The manual scale control provides relative speed adjustment but not calibrated rpm readouts.
Select stir bar length approximately 2/3 of the vessel internal diameter for optimal mixing efficiency.
Why: Proper stir bar sizing ensures effective vortex formation without collision with vessel walls.
If stir bar stops rotating, reduce speed gradually and check for proper centering in the vessel.
Why: Decoupling often occurs when the magnetic stir bar moves off-center or speed exceeds the motor's ability to maintain magnetic lock.
Ensure the work plate area is dry before placing vessels to prevent slipping and potential spillage.
Why: The IP21 rating protects against dripping but maintaining dry conditions prevents accidents and ensures stable vessel positioning.
Allow 30 seconds for mixing speed to stabilize before beginning time-sensitive procedures or measurements.
Why: Motor speed and magnetic field stabilization require brief equilibration time for consistent mixing patterns.
Setup Guide
What’s in the Box
- Hotplate Magnetic Stirrer Ecostir-E main unit
- AC power cord (typical)
- User manual and warranty information (typical)
- Magnetic stir bar set (typical)
Warranty
ConductScience provides a standard 1-year manufacturer warranty covering defects in materials and workmanship, with technical support available for operational questions and troubleshooting assistance.
Compliance
What is the maximum volume this stirrer can effectively mix?
The unit is rated for maximum stirring volume of 2L with aqueous solutions, though optimal mixing depends on solution viscosity and stir bar size selection.
What stir bar lengths are compatible with this unit?
The stirrer accommodates magnetic stir bars up to 40mm in length, with optimal performance achieved using stir bars sized appropriately for your vessel diameter.
Can this unit handle viscous solutions or just water-based samples?
While rated for 2L aqueous capacity, performance with viscous solutions will be reduced. Consult product datasheet for specific viscosity limitations.
What type of vessels can be used on the PET work plate?
The 120×115mm PET work plate accommodates most standard laboratory glassware and plastic vessels that fit within these dimensions and do not exceed 2L volume.
How precise is the speed control on this model?
Speed control uses a manual scale setting rather than digital readout. For applications requiring precise rpm monitoring, consider models with digital speed displays.
What maintenance is required for the brushless motor?
Brushless DC motors require minimal maintenance compared to brushed designs. Regular cleaning of the work plate and ensuring proper ventilation are the primary maintenance requirements.
Is this unit suitable for continuous 24-hour operation?
The low 8W power consumption and brushless motor design suggest suitability for extended operation, though specific duty cycle specifications should be verified in the product datasheet.
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