Thermostatic Shaking Water Bath
Thermostatic shaking water bath with PID control and LCD display, available in three models: SWB-301 (rotatory), SWB-302 (rotatory + reciprocating), and SWB-303 (reciprocating).
Delivers 20–300 rpm, ±0.1 °C temperature precision, and RT–100 °C range with multi-stage speed/temperature/time programming.
Louise Corscadden, PhD
Director of Science · ConductScience
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Key Specifications
Full details →- Model fit
- Configured during quote
- SKU family
- BIO-0666
- Sizing
- 17.0 x 49.0 x 39.0 cm
- Ordering
- Online checkout and quote request available
- Category
- Water Baths
- Build notes
- Confirm accessories, station layout, and support needs before purchase
The Thermostatic Shaking Water Bath (SWB-301 / SWB-302 / SWB-303) combines PID microcomputer temperature control with programmable shaking for molecular biology, biochemistry, and microbiology applications requiring simultaneous thermal and mechanical treatment. Three models provide rotatory, combined, or reciprocating motion to match specific assay requirements. A silent fan design with forced convection maintains temperature uniformity, while multi-stage programming enables complex time-course protocols. Forward, reverse, and alternating rotation modes expand the range of sample types and vessel configurations.
Technical Specifications
| Parameter | SWB-301 | SWB-302 | SWB-303 |
|---|---|---|---|
| Shaking Method | Rotatory | Rotatory + Reciprocating | Reciprocating |
| Shaking Amplitude | φ26 mm | φ26 mm | 26 mm |
| Speed Range | 20–300 rpm | ||
| Temperature Range | RT–100 °C | ||
| Temperature Precision | ±0.1 °C | ||
| Control | PID | ||
| Display | LCD | ||
| Timing Range | 0–9999 h/min | ||
| Max. Capacity | 100 ml×24 / 250 ml×15 / 500 ml×8 / 1000 ml×6 | ||
| Shaking Plate Size | 498×316 mm | ||
| Power Consumption | 1400 W | ||
| Power Supply | AC 220 V, 50 Hz (standard); AC 220 V, 60 Hz or AC 110 V, 50/60 Hz (optional) | ||
| Dimensions (W×D×H) | 640×620×550 mm | ||
| Package Dimensions | 830×790×720 mm | ||
| Gross Weight | 100 kg | ||
Key Features
- Three models: rotatory (SWB-301), combined rotatory/reciprocating (SWB-302), reciprocating (SWB-303)
- PID microcomputer control with ±0.1 °C temperature precision
- Multi-stage speed, temperature, and time programming
- Forward, reverse, and alternating rotation modes
- Silent fan with forced convection for uniform temperature distribution
- Large capacity: accommodates up to 24 × 100 ml flasks
How It Works
The thermostatic shaking water bath operates through a combination of precision heating elements and reciprocating mechanical motion. The PID microcomputer control system continuously monitors chamber temperature via integrated sensors and adjusts heating output to maintain setpoint within 0.1°C. The water bath medium provides uniform heat transfer to samples through conduction and convection.
The shaking mechanism employs a reciprocating drive system that creates linear back-and-forth motion with 20mm amplitude. This motion pattern ensures gentle but consistent agitation without creating excessive shear forces that could damage sensitive samples. The universal spring plate fixture securely holds various vessel types while transmitting the shaking motion uniformly across the platform.
The LCD display interface allows operators to program temperature, shaking speed, and timing parameters independently. The system can operate continuously or follow programmed cycles, automatically stopping when the set time period elapses while maintaining temperature control throughout the process.
Features & Benefits
Automation Level
- semi-automated
Shaking Amplitude
- 20mm
Shaking Method
- Reciprocating
Stirring Speed
- 30~300rpm
Temp. Range
- RT+5~100℃
Temp. Precision
- 0.1℃
Temperature Control Mode
- PID microcomputer control
Timing Range
- 1~9999min/hour or continuous
Standard Accessory
- Universal spring plate
Fixture Plate Size
- 300*400mm
Consumption
- 1500W
Chamber Size(L*W*H)
- 490*390*170mm
External Size(L*W*H)
- 720*480*530mm
Brand
- ConductScience
Research Domain
- Analytical Chemistry
- Cell Biology
- Environmental Monitoring
- Food Science
- Microbiology
- Pharmaceutical QC
Display Type
- LCD display
Power/Voltage
- Standard: 220V, 50/60Hz; Optional: 110V, 50/60Hz
Weight
- 46.0 kg
Dimensions
- L: 17.0 mm
- W: 49.0 mm
- H: 39.0 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Temperature Precision | 0.1°C precision with PID microcomputer control | Basic models often provide ±0.5°C or lower precision | Higher precision ensures reproducible thermal conditions critical for sensitive biological and chemical processes. |
| Shaking Speed Range | 30-300 rpm variable speed control | Entry-level units may offer fixed speeds or narrower ranges | Wide speed range allows optimization for different sample types and experimental protocols. |
| Chamber Capacity | 490×390×170mm working chamber | Compact models typically offer smaller chamber volumes | Larger chamber accommodates multiple samples or larger experimental setups for improved throughput. |
| Heating Power | 1500W heating capacity | Lower-power units may have slower recovery times | Higher wattage provides faster heat-up and better temperature stability with thermal loads. |
| Control Interface | LCD display with digital controls | Basic analog controls with limited parameter visibility | Digital interface enables precise parameter setting and real-time monitoring of operating conditions. |
This unit offers laboratory-grade temperature precision combined with programmable shaking functions in a substantial working volume. The PID control system and high heating capacity provide stable operation for demanding applications requiring both thermal and mechanical processing.
Practical Tips
Verify temperature accuracy using a calibrated thermometer placed in a water-filled test tube within the chamber.
Why: Independent temperature verification ensures measurement accuracy for critical thermal processes.
Clean the chamber and fixture plate weekly with mild detergent, and inspect the shaking mechanism for smooth operation.
Why: Regular cleaning prevents contamination buildup and mechanical inspection identifies potential issues before they affect experiments.
Allow temperature equilibration for 15-20 minutes after reaching setpoint before loading critical samples.
Why: Full thermal equilibration ensures uniform temperature distribution throughout the chamber volume.
Use appropriate vessel clamps or holders to prevent sample spillage during shaking operation.
Why: Secure sample containment prevents contamination and maintains safe working conditions.
Record shaking speed and amplitude along with temperature parameters in experimental documentation.
Why: Complete parameter documentation enables experimental reproducibility and troubleshooting.
If temperature overshoots occur, verify that the chamber is not overfilled and that ventilation is adequate.
Why: Proper water level and ventilation are essential for stable PID control performance.
Setup Guide
What’s in the Box
- Thermostatic shaking water bath main unit
- Universal spring plate fixture
- Power cord
- User manual and operating instructions
- Warranty documentation (typical)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering defects in materials and workmanship, with technical support available throughout the warranty period.
Compliance
What is the maximum sample volume that can be processed in this water bath?
The chamber dimensions of 490×390×170mm with a 300×400mm fixture plate can accommodate multiple flasks or a single large vessel, but exact volume depends on vessel geometry and required clearance for shaking motion.
How long does it take to reach operating temperature from ambient conditions?
Heat-up time depends on target temperature and ambient conditions, but the 1500W heating capacity provides rapid temperature recovery. Consult product datasheet for specific heat-up rate specifications.
Can the unit operate without shaking for standard water bath applications?
Yes, the shaking function can be disabled while maintaining temperature control, allowing the unit to function as a standard thermostatic water bath.
What types of vessels are compatible with the universal spring plate?
The spring plate accommodates various flask sizes, tubes, and containers that can be secured within the 300×400mm platform area and 20mm shaking amplitude.
Is the temperature calibration user-adjustable?
Temperature calibration procedures and requirements should be confirmed in the product documentation, as calibration typically requires certified reference standards.
How does this compare to orbital shaking incubators?
This unit provides reciprocating linear motion rather than orbital circular motion, which may be preferred for certain applications requiring gentler agitation or specific mixing patterns.
What maintenance is required for the shaking mechanism?
Regular inspection of the drive mechanism and spring plate fixture is recommended, along with periodic lubrication as specified in the maintenance schedule.
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