Multi-position Magnetic Stirrer (with heating) H04-1
Ten-station magnetic stirrer with independent heating control, accommodating 1L volumes per position with temperature control up to 150°C for parallel sample processing.
Louise Corscadden, PhD
Neuroscience · ConductScience
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The Multi-position Magnetic Stirrer (with heating) H04-1 is a 10-station benchtop instrument designed for simultaneous magnetic stirring and heating of multiple samples. Each station accommodates up to 1L volumes with independent heating control up to 200W per position, enabling parallel processing of multiple reaction conditions or sample preparations. The stainless steel work plates (110mm diameter each) provide uniform heat distribution and chemical resistance for demanding laboratory applications.
Equipped with brushless DC motors delivering consistent stirring from startup to 1500 rpm, this multi-station system eliminates the need for multiple individual stirrers while maintaining precise control over each position. Temperature control ranges from room temperature to 150°C (within 0.5L volumes) using customer-supplied conductive thermometers, providing the flexibility required for temperature-sensitive reactions and sample preparations across various research disciplines.
How It Works
Magnetic stirring operates through electromagnetic induction, where rotating magnetic fields generated beneath each stainless steel work plate couple with magnetic stir bars placed in sample containers. The brushless DC motors provide smooth, consistent rotation with minimal heat generation and vibration, ensuring uniform mixing without introducing mechanical disturbances that could affect sensitive reactions or precipitate fragile compounds.
Integrated heating elements beneath each work plate provide localized temperature control through conductive heat transfer. The system requires customer-supplied conductive thermometers for precise temperature monitoring and feedback control. Each heating position can be independently adjusted within the 200W power range, allowing different thermal conditions across the ten stations simultaneously.
The knob-based control system provides intuitive adjustment of both stirring speed and heating parameters for each position. The compact 645×300×115mm footprint maximizes laboratory bench space efficiency while providing ten independent mixing and heating stations, significantly improving throughput compared to single-position systems.
Features & Benefits
Automation Level
- semi-automated
Control Method
- Knob
Mixing station
- 10
Maximum Volume (water)
- 1L*10
Motor Type
- Brushless DC motor
Motor Power
- 8W
Speed Range (r/min)
- Start ~1500
Work Plate Material
- Stainless steel
Working Plate Size (mm)
- Φ110
Heating Power (W)
- Adjustable within 10*200W
Liquid Temperature Control Range℃
- Room temperature -150 (within 0.5L)
Liquid Temperature Control
- Conductive thermometer (prepared by customer)
Voltage (AC)
- 220V 50Hz
Dimension (mm)
- 645*300*115
Weight (kg)
- 22
Brand
- ConductScience
Research Domain
- Analytical Chemistry
- Environmental Monitoring
- Food Science
- Materials Science
- Microbiology
- Pharmaceutical QC
Weight
- 48.5 kg
Dimensions
- L: 25.39 mm
- W: 11.81 mm
- H: 4.33 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Number of Mixing Positions | 10 independent stations | Entry-level models typically offer 4-6 positions | Higher throughput enables larger experimental designs and parallel processing of multiple sample sets. |
| Heating Power per Position | Adjustable up to 200W per station | Basic multi-position units often provide lower heating capacity | Sufficient power for rapid heating and maintenance of elevated temperatures in larger sample volumes. |
| Motor Technology | Brushless DC motors (8W each) | Some models use brushed motors with higher maintenance requirements | Brushless design provides longer operational life and reduced maintenance in continuous-use applications. |
| Work Plate Material | Stainless steel construction | Aluminum or coated surfaces are common in budget models | Superior chemical resistance and uniform heat distribution for demanding laboratory applications. |
| Temperature Range | Room temperature to 150°C | Lower-end models may be limited to 100-120°C maximum | Extended temperature capability supports a broader range of dissolution, extraction, and synthesis applications. |
| Volume Capacity | 1L maximum per position | Multi-position units often limit individual positions to smaller volumes | Larger capacity per station accommodates both analytical and small preparative scale work within the same system. |
The H04-1 combines ten independent mixing stations with individual heating control up to 200W per position and brushless motor technology for consistent, low-maintenance operation. The stainless steel construction and 1L per position capacity provide the performance characteristics required for demanding multi-sample processing applications.
Practical Tips
Verify temperature accuracy at each heating position using calibrated reference thermometers before beginning temperature-critical experiments.
Why: Individual heating elements may have slight variations that could affect reproducibility across positions.
Clean stainless steel work plates with appropriate solvents after each use and inspect for residue buildup that could affect heat transfer.
Why: Contamination on heating surfaces reduces thermal efficiency and can lead to uneven temperature distribution.
Select stir bar sizes appropriate for container geometry and sample viscosity, ensuring adequate clearance from container walls.
Why: Proper stir bar sizing ensures effective mixing while preventing mechanical damage to containers or heating plates.
Allow adequate cooling time between high-temperature applications and ensure proper ventilation around the heating elements.
Why: Multiple heating positions operating simultaneously generate significant thermal load requiring appropriate heat dissipation.
If stirring becomes erratic, check for magnetic interference between adjacent positions and adjust stir bar placement accordingly.
Why: Close proximity of ten magnetic systems can cause coupling effects that interfere with individual stirring performance.
Document actual temperature profiles for each position when reproducibility is critical, as thermal response may vary between stations.
Why: Understanding individual position characteristics enables more precise experimental control and better inter-station reproducibility.
Use containers with flat bottoms and avoid overfilling to maintain proper magnetic coupling and heat transfer efficiency.
Why: Optimal container geometry and fill levels ensure consistent mixing and heating performance across all positions.
Setup Guide
What’s in the Box
- Multi-position magnetic stirrer main unit
- Power cord (220V)
- User manual and specifications sheet
- Magnetic stir bars set (typical)
- Installation hardware (typical)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering defects in materials and workmanship, with technical support available for installation, operation, and maintenance guidance.
Compliance
References
Background reading relevant to this product:
What types of containers are compatible with the 110mm work plates?
The 110mm diameter plates accommodate standard laboratory beakers, flasks, and vessels up to 1L capacity. Containers should have flat bottoms for optimal heat transfer and magnetic coupling, with materials compatible with your maximum operating temperature.
How precise is the temperature control across the ten heating positions?
Temperature control accuracy depends on the customer-supplied conductive thermometers and feedback system. The heating elements provide up to 200W per position with individual control, but precise temperature maintenance requires appropriate sensing and container thermal characteristics.
Can different stirring speeds be set for each of the ten positions?
Yes, each position has independent knob control for stirring speed, allowing different agitation rates across stations. The brushless motors provide consistent performance starting around 1500 rpm with smooth speed adjustment.
What maintenance is required for the heating elements and motors?
Regular cleaning of the stainless steel work plates and inspection of magnetic coupling performance is recommended. The brushless motors require minimal maintenance, but periodic cleaning of the unit's ventilation areas ensures proper heat dissipation.
How does the 22kg weight affect benchtop placement and stability?
The substantial weight provides excellent stability during high-speed stirring operations. Ensure your benchtop can support 22kg and allow adequate clearance around the 645×300mm footprint for ventilation and control access.
What are the power requirements and electrical considerations?
The system requires 220V 50Hz power supply with total heating capacity of 2000W (10×200W) plus motor power. Ensure your laboratory electrical circuit can handle this load and includes appropriate safety protection.
How does this compare to using multiple individual stirrer-hotplates?
The multi-position design provides significant bench space savings, uniform heating characteristics, and simplified setup compared to ten individual units, while maintaining independent control over each position's stirring and heating parameters.
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