Cooling Shaking Water Bath
Cooling shaking water bath with 32 L capacity, 5–100 °C temperature range, ±0.1 °C fluctuation, and rotary shaking from 60–280 rpm with 20 mm amplitude.
Supports microorganism culture, food science, medicine, and environmental research applications.
Louise Corscadden, PhD
Director of Science · ConductScience
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Key Specifications
Full details →- Automation Level
- Semi-automated
- Temp. Range
- 5~100℃
- Temp. Fluctuation
- ≤±0.1℃
- Temp. Precision
- ±0.5℃
- Rotary Speed
- 60~280rpm
- Timing Range
- 0~999min
The Cooling Shaking Water Bath (BK-SHA2) delivers precise temperature control combined with rotary shaking for applications in microbiology, food science, life sciences, medicine, and environmental testing. Constructed with corrosion-resistant materials and stainless steel clamps, the 32 L chamber maintains temperature stability within ±0.1 °C across the full 5–100 °C range. The LCD display shows temperature and speed in real time, while the programmable timer allows unattended operation up to 999 minutes.
Technical Specifications
| Parameter | BK-SHA2 |
|---|---|
| Capacity | 32 L |
| Temperature Range | 5–100 °C |
| Temperature Fluctuation | ≤±0.1 °C |
| Temperature Precision | ±0.5 °C |
| Rotary Speed | 60–280 rpm |
| Oscillation Amplitude | 20 mm |
| Shaking Mode | Rotary |
| Timing Range | 0–999 min |
| Working Load | 20 kg |
| Display | LCD |
| Power Consumption | 2600 W |
| Power Supply | AC 220 V, 50/60 Hz (standard); AC 110 V, 60 Hz (optional) |
| Internal Chamber (L×D×H) | 490×390×165 mm |
| External Dimensions (L×D×H) | 685×460×560 mm |
| Packing Dimensions (L×D×H) | 1010×600×700 mm |
| Net Weight | 60 kg |
| Gross Weight | 70 kg |
Key Features
- Corrosion-resistant construction with stainless steel clamps
- High-precision temperature control (±0.1 °C fluctuation)
- Adjustable rotary shaking speed (60–280 rpm)
- LCD display for real-time monitoring
- Programmable timer up to 999 minutes
- Dual-voltage compatible (220 V standard; 110 V optional)
How It Works
The cooling shaking water bath combines thermoelectric cooling with resistive heating elements to achieve precise temperature control across a wide operational range. The integrated cooling system enables sub-ambient temperature operation down to 5°C, while the heating elements provide rapid temperature elevation to 100°C. Temperature regulation is maintained through PID control algorithms that monitor chamber temperature via precision sensors and adjust heating or cooling output to maintain setpoint within ±0.1°C.
The rotary shaking mechanism employs an eccentric drive system that generates orbital motion with 20mm amplitude at user-selectable speeds from 60-280 rpm. This orbital motion ensures uniform heat transfer and prevents thermal stratification within sample containers while maintaining gentle agitation that preserves sample integrity. The shaking motion is synchronized with temperature control to provide consistent environmental conditions throughout extended incubation periods.
Features & Benefits
Research record
Use these values in methods sections and data records.
- Device type
- Water bath
OBI:0400155
This ID comes from the Ontology for Biomedical Investigations (OBI).
Download the source data for this record as a JSON-LD file
Methods section wording
water bath (ConductScience, Skokie, IL, USA; cat. no. BIO-0679)
Automation Level
- semi-automated
Temp. Range
- 5~100℃
Temp. Fluctuation
- ≤±0.1℃
Temp. Precision
- ±0.5℃
Rotary Speed
- 60~280rpm
Timing Range
- 0~999min
Oscillation Amplitude
- 20mm
Shaking Mode
- Rotary
Working Load
- 20kg
Consumption
- 2600W
Workroom Size(L*D*H)
- 490*390*165mm
External Size(L*D*H)
- 685*460*560mm
Brand
- ConductScience
Research Domain
- Analytical Chemistry
- Cell Biology
- Environmental Monitoring
- Materials Science
- Microbiology
- Pharmaceutical QC
Capacity
- 32L
Display Type
- LCD
Power/Voltage
- AC220V, 50/60Hz(Standard); AC110V, 60Hz(Optional)
Shipping weight
- 60.0 lb
Shipping box
- L: 16.5 cm
- W: 49.0 cm
- H: 39.0 cm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Temperature Range | 5°C to 100°C with cooling capability | Many basic models offer heating only (ambient to 100°C) | Enables both refrigerated and heated applications without requiring separate equipment for sub-ambient work. |
| Chamber Capacity | 32 liters with 20kg load capacity | Entry-level units often provide 10-20 liter capacity | Accommodates larger sample batches and multiple experimental conditions simultaneously for improved workflow efficiency. |
| Temperature Stability | ±0.1°C fluctuation during operation | Standard models typically maintain ±0.2-0.5°C fluctuation | Provides superior thermal stability for temperature-sensitive protocols requiring precise environmental control. |
| Shaking Speed Range | 60-280 rpm rotary motion with 20mm amplitude | Basic models may offer fixed speed or limited range | Variable speed control accommodates different mixing requirements from gentle agitation to vigorous mixing within single unit. |
| Power and Heating/Cooling | 2600W integrated heating and cooling system | Heating-only models typically use 1000-1500W | Higher power capacity enables rapid temperature transitions and stable operation across full temperature range including cooling. |
This unit combines wide temperature range cooling capability with precise shaking control in a high-capacity format. The 32-liter chamber with 20kg load capacity and ±0.1°C temperature stability provides laboratory-grade performance for demanding thermal processing applications.
Practical Tips
Perform temperature calibration verification at multiple points across your working range using NIST-traceable reference standards.
Why: Multi-point calibration ensures accuracy across different temperature setpoints rather than single-point verification.
Clean chamber and components weekly with mild detergent and inspect cooling vents monthly for blockage.
Why: Regular cleaning prevents contamination buildup and maintains efficient heat transfer for consistent performance.
Allow 30-minute equilibration time after reaching setpoint before adding samples, especially for sub-ambient temperatures.
Why: Thermal equilibration ensures uniform temperature distribution throughout the chamber for consistent sample treatment.
Use appropriate personal protective equipment when handling samples at temperature extremes and ensure proper ventilation around cooling components.
Why: Temperature extremes pose burn/freeze hazards and cooling systems require airflow for safe operation.
Record actual temperature and shaking parameters during operation rather than relying solely on setpoint values for documentation.
Why: Actual operating conditions may vary slightly from setpoints and should be documented for reproducible protocols.
If temperature overshoot occurs during heating, reduce heating rate settings or check for thermal load imbalance in chamber.
Why: Thermal overshoot can damage temperature-sensitive samples and indicates need for parameter optimization.
Distribute sample containers evenly throughout chamber and secure with appropriate clamps to prevent movement during shaking.
Why: Balanced loading ensures uniform heat distribution and prevents container displacement that could affect mixing efficiency.
Setup Guide
What’s in the Box
- Cooling Shaking Water Bath main unit
- Power cord
- User manual and operation guide
- Sample rack system (typical)
- Temperature calibration certificate (typical)
Warranty
ConductScience provides standard one-year manufacturer warranty covering parts and labor with technical support for installation and operational guidance. Extended warranty options available for critical application environments.
Compliance
What is the temperature accuracy and how should I verify calibration?
Temperature precision is ±0.5°C with ±0.1°C fluctuation during operation. Verify calibration using NIST-traceable reference thermometer and perform periodic validation according to your laboratory's SOP requirements.
Can the unit operate continuously for extended incubation periods?
Yes, the programmable timer supports up to 999 minutes of continuous operation. For longer protocols, the timer can be reset manually or the unit can operate in continuous mode without automatic shutdown.
What types of sample containers are compatible with the shaking mechanism?
The rotary shaking motion with 20mm amplitude accommodates various container types up to 20kg total load. Use appropriate racks or clamps to secure containers and prevent movement during agitation.
How quickly can the unit transition between temperature setpoints?
Temperature change rate depends on setpoint differential and ambient conditions. The 2600W heating/cooling system provides efficient transitions, typically achieving new setpoints within 15-30 minutes for moderate temperature changes.
What maintenance is required for the cooling system components?
Regular cleaning of cooling vents and periodic inspection of cooling elements. Consult product datasheet for specific maintenance schedules and procedures for optimal cooling performance.
Is the shaking motion suitable for cell culture applications?
The gentle rotary motion with adjustable speed 60-280 rpm is appropriate for most cell culture mixing applications. Select lower speeds (60-120 rpm) for delicate cell types to minimize mechanical stress.
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