Magnetic Stirring Water Bath
Dual-function benchtop instrument combining controlled water bath heating (RT+5~100°C) with digital magnetic stirring (30~2000rpm) for uniform temperature and mixing control in analytical applications.
| Automation Level | semi-automated |
| MSW-SCG2 | MSW-SCG4 |
| MSW-SCG6 | MSW-SCG8 |
| Temp. Range | RT+5~100℃ |
| Temp. Precision | ≤±0.5℃(Above 90℃, it is ±1℃) |
| Stirring Speed | 30~2000rpm |
The Magnetic Stirring Water Bath is a dual-function benchtop instrument that combines controlled heating with magnetic stirring capabilities for uniform temperature distribution and mixing. This unit features digital display controls for both temperature (RT+5~100°C) and stirring speed (30~2000rpm), with built-in temperature sensors providing ±0.5°C precision for temperatures below 90°C. The LED display interface allows precise monitoring of both heating and stirring parameters with programmable timing up to 999 minutes.
The water bath configuration enables simultaneous heating and stirring of multiple samples in aqueous environments, making it suitable for applications requiring controlled dissolution, extraction, or reaction conditions. The magnetic stirring system operates at 25W power consumption while the heating element provides 400W capacity for rapid temperature equilibration. Digital controls eliminate the variability associated with analog systems, providing reproducible conditions for quantitative work.
How It Works
The magnetic stirring water bath operates through electromagnetic induction to create rotating magnetic fields that drive stirring bars within sample containers immersed in the water bath. The built-in temperature sensor provides feedback to the digital control system, which modulates the 400W heating element to maintain set temperatures within ±0.5°C precision. The water bath medium ensures uniform heat distribution around sample vessels through convective heat transfer.
Digital speed control modulates the magnetic field frequency to achieve stirring speeds from 30 to 2000rpm, allowing optimization for different sample viscosities and container sizes. The LED display provides real-time monitoring of both temperature and stirring speed, while the programmable timer enables automated operation for up to 999 minutes. The dual-function design eliminates the need for separate heating and stirring equipment while ensuring consistent thermal and mixing conditions.
Features & Benefits
Automation Level
- semi-automated
MSW-SCG2
- MSW-SCG4
MSW-SCG6
- MSW-SCG8
Temp. Range
- RT+5~100℃
Temp. Precision
- ≤±0.5℃(Above 90℃, it is ±1℃)
Stirring Speed
- 30~2000rpm
Timing Range
- 0~999min
Temperature Control Mode
- Digital display temperature control, built-in temperature sensor
Speed Control Mode
- Digital display speed control
Heating Consumption
- 400W
400W*2
- 400W*4
400W*6
- 400W*8
Stirring Consumption
- 25W
25W*2
- 25W*4
Brand
- ConductScience
Research Domain
- Analytical Chemistry
- Environmental Monitoring
- Food Science
- Materials Science
- Microbiology
- Pharmaceutical QC
Display Type
- LED display
Weight
- 5.5 kg
Dimensions
- L: 22.0 mm
- W: 34.0 mm
- H: 25.0 mm
Comparison Guide
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Temperature Precision | ±0.5°C below 90°C, ±1°C above 90°C | Basic models often provide ±1-2°C precision across the full range | Higher precision enables more reproducible results in temperature-sensitive applications and method validation work |
| Stirring Speed Range | 30~2000rpm with digital control | Entry-level units typically offer 100-1500rpm with limited speed resolution | Extended low-speed capability accommodates delicate samples while high-speed range handles viscous materials |
| Display Interface | LED digital display for both temperature and stirring speed | Analog controls or single-parameter displays are common in basic models | Simultaneous monitoring of both parameters improves process control and documentation accuracy |
| Timer Functionality | Programmable timing up to 999 minutes | Many basic units lack automated timing features | Automated operation reduces variability and enables unattended processing for reproducible results |
| Heating Capacity | 400W heating element | Compact units often provide 200-300W capacity | Higher heating capacity ensures rapid equilibration and stable temperatures with thermal load changes |
This magnetic stirring water bath provides integrated digital controls for both heating and mixing with higher temperature precision and extended stirring speed range compared to entry-level alternatives. The programmable timer and LED display interface support automated operation and precise parameter monitoring for quantitative applications.
Practical Tips
Perform temperature calibration verification monthly using a NIST-traceable thermometer at multiple set points across the operating range.
Why: Regular calibration ensures measurement accuracy and provides documentation for quality systems compliance
Use distilled water in the bath and replace monthly to prevent mineral buildup that can affect heat transfer and temperature uniformity.
Why: Clean water medium maintains optimal thermal conductivity and prevents scale formation on heating elements
Allow 15-20 minutes for temperature equilibration after reaching set point before beginning time-critical procedures.
Why: Full thermal equilibration ensures uniform temperature distribution and eliminates thermal gradients that could affect results
Match stir bar size to container diameter (approximately 1/2 to 2/3 of container width) for optimal mixing efficiency.
Why: Proper stir bar sizing ensures effective mixing without excessive turbulence or magnetic coupling loss
If stirring becomes erratic, check for magnetic interference from nearby equipment and ensure stir bars are not damaged or contaminated.
Why: Magnetic coupling can be disrupted by external fields or debris, leading to inconsistent mixing patterns
Monitor water levels during extended operation to prevent overheating if water evaporates below safe operating levels.
Why: Low water levels can damage heating elements and create safety hazards from overheating
Record both temperature and stirring speed in protocols and data logs to ensure reproducibility between experiments.
Why: Both thermal and mixing conditions affect reaction kinetics and must be controlled for quantitative work
Setup Guide
What’s in the Box
- Magnetic stirring water bath main unit
- Power cord
- User manual and operating instructions
- Basic magnetic stir bars (typical)
- Water level guide documentation (typical)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering defects in materials and workmanship. Technical support is available for setup, calibration guidance, and troubleshooting assistance.
Compliance
What is the temperature accuracy and how does it vary across the operating range?
Temperature precision is ±0.5°C for temperatures below 90°C and ±1°C above 90°C. The built-in temperature sensor provides direct feedback to the digital control system for stable regulation.
Can the stirring speed be adjusted during operation without affecting temperature stability?
Yes, the digital speed control operates independently of the heating system, allowing real-time stirring adjustments from 30 to 2000rpm without thermal disruption.
What is the maximum sample volume capacity and how many vessels can be accommodated simultaneously?
Consult product datasheet for specific bath dimensions and sample capacity. The 34cm x 22cm footprint suggests multiple small to medium vessels can be accommodated depending on container size.
How long does temperature equilibration take from room temperature to 100°C?
The 400W heating element provides rapid heating capability, though exact equilibration times depend on water volume and ambient conditions. Monitor the LED display for temperature stability confirmation.
Is external temperature calibration possible and what reference standards should be used?
External calibration verification is recommended using NIST-traceable thermometers. Document any offset between display reading and reference temperature for correction factors.
What maintenance is required for the magnetic stirring mechanism?
The magnetic stirring system is maintenance-free under normal operation. Ensure stir bars are clean and properly sized for containers to prevent excessive wear on the magnetic coupling.
Can this unit be used for continuous operation over multiple days?
The programmable timer supports up to 999 minutes of automated operation. For extended continuous use beyond this period, monitor water levels and temperature stability regularly.
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