Super Thermostatic Water Bath
Super thermostatic water bath available in WB-501 (800 W) and WB-601 (1000 W) models, both with 20 L capacity, RT+5–100 °C range, ±0.1 °C temperature fluctuation, and integrated circulation pump (≥6 L/min).
PID microprocessor control with LED display and 0–999 min programmable timer.
Louise Corscadden, PhD
Director of Science · ConductScience
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Key Specifications
Full details →- Model fit
- Configured during quote
- SKU family
- BIO-0672
- Sizing
- 18.0 x 28.0 x 24.0 cm
- Ordering
- Online checkout and quote request available
- Category
- Water Baths
- Build notes
- Confirm accessories, station layout, and support needs before purchase
The Super Thermostatic Water Bath (WB-501 / WB-601) is constructed from imported corrosion-resistant plate with a stainless steel inner chamber, providing high temperature and corrosion resistance for demanding laboratory thermal conditioning. PID microprocessor control maintains temperature uniformity to ±0.1 °C throughout the 20 L work volume, while the integrated circulation pump ensures consistent heat distribution across the chamber. Both models support dual-voltage installation (110/220 V) for international compatibility.
Technical Specifications
| Parameter | WB-501 | WB-601 |
|---|---|---|
| Capacity | 20 L | 20 L |
| Temperature Range | RT+5~100 °C | RT+5~100 °C |
| Temperature Precision | 0.1 °C | 0.1 °C |
| Temperature Fluctuation | ≤±0.1 °C | ≤±0.1 °C |
| Temperature Uniformity | ±0.1 °C | ±0.1 °C |
| Timing Range | 0–999 min | 0–999 min |
| Pump Flow Rate | ≥6 L/min | ≥6 L/min |
| Power Consumption | 800 W | 1000 W |
| Power Supply | AC 110/220 V ±10%, 50/60 Hz | |
| Internal Dimensions (L×D×H) | 400×280×180 mm | |
| External Dimensions (L×D×H) | 470×360×390 mm | |
| Net Weight | 12 kg | |
Key Features
- PID microprocessor control with LED display
- ±0.1 °C temperature fluctuation and uniformity
- Integrated circulation pump (≥6 L/min) for uniform heat distribution
- Programmable timer 0–999 min
- Stainless steel inner chamber with corrosion-resistant construction
- Dual-voltage compatible (110/220 V, 50/60 Hz)
How It Works
The thermostatic water bath operates through convective heat transfer, using heated water as the thermal medium to maintain precise temperature control. An integrated heating element raises the water temperature while a digital controller monitors thermal conditions via temperature sensors positioned throughout the chamber.
The built-in circulation pump creates continuous water movement at ≥6L/min flow rate, eliminating thermal gradients and ensuring uniform temperature distribution across the entire work volume. This forced convection system prevents hot spots and temperature variations that could affect sample integrity.
The LED control system provides real-time temperature monitoring with 0.1°C resolution, while the programmable timer allows for automated thermal cycling protocols up to 999 minutes in duration.
Features & Benefits
Automation Level
- semi-automated
Temp. Range
- RT+5~100℃
Temp. Precision
- 0.1℃
Temp. Fluctuation
- ≤±0.1℃
Temp. Uniformity
- ±0.1℃
Timing Range
- 0~999min
Flow Rate of Pump
- ≥6L/min
Consumption
- 800W
Workroom Size(L*D*H)
- 280*240*180mm
Internal Size(L*D*H)
- 400*280*180mm
External Size(L*D*H)
- 470*360*390mm
Brand
- ConductScience
Research Domain
- Analytical Chemistry
- Cell Biology
- Clinical Diagnostics
- Materials Science
- Microbiology
- Pharmaceutical QC
Capacity
- 20L
Display Type
- LED
Power/Voltage
- AC110/220V±10%, 50/60Hz
Weight
- 12kg
Weight
- 12.0 kg
Dimensions
- L: 18.0 mm
- W: 28.0 mm
- H: 24.0 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Temperature Uniformity | ±0.1°C throughout working volume | Entry-level models often achieve ±0.5°C or greater variation | Reduces temperature-related experimental variability across multiple sample positions |
| Circulation System | Integrated pump with ≥6L/min flow rate | Basic models rely on natural convection without forced circulation | Eliminates thermal gradients and accelerates temperature equilibration |
| Working Capacity | 20L volume with 28×24×18cm chamber | Smaller units typically offer 5-15L capacity | Accommodates larger sample batches and multiple experimental setups simultaneously |
| Temperature Control | 0.1°C precision with LED digital display | Analog controls often provide ±1°C precision | Enables precise thermal protocols required for sensitive analytical procedures |
| Timer Function | Programmable timing up to 999 minutes | Manual models require constant monitoring | Automates thermal cycling protocols and reduces hands-on supervision time |
| Temperature Range | Ambient +5°C to 100°C operating range | Limited models may cap at 80°C or require higher minimum temperatures | Supports diverse applications from physiological conditioning to high-temperature extractions |
The Super Thermostatic Water Bath combines precise temperature control, large working capacity, and active circulation in a compact benchtop design. The integrated pump system and digital controls provide laboratory-grade performance for applications requiring consistent thermal conditions across multiple samples.
Practical Tips
Verify temperature accuracy monthly using a NIST-traceable thermometer positioned in the center of the working area.
Why: Temperature sensor drift can occur over time, affecting experimental reproducibility.
Change water weekly and clean the chamber monthly to prevent bacterial growth and mineral deposits.
Why: Contaminated water can affect sample integrity and reduce heating element efficiency.
Allow 15-20 minutes for thermal equilibration before adding samples, especially after temperature changes.
Why: Thermal equilibrium ensures all samples reach target temperature simultaneously.
Use appropriate container holders and avoid overfilling to prevent spillage of heated water.
Why: Hot water contact can cause burns and damage laboratory equipment.
Position samples to allow water circulation around all surfaces for uniform heating.
Why: Poor circulation creates temperature gradients that can introduce experimental variability.
If temperature uniformity decreases, check circulation pump function and clean any debris from intake areas.
Why: Reduced circulation flow leads to thermal stratification and temperature variations.
Pre-warm containers and lids before adding samples to minimize temperature disturbances.
Why: Cold containers extract heat from the bath, temporarily affecting thermal stability.
Inspect power cord and heating elements regularly for signs of wear or corrosion.
Why: Electrical safety and heating performance depend on proper maintenance of these components.
Setup Guide
What’s in the Box
- Super Thermostatic Water Bath main unit
- Power cord with appropriate regional plug (typical)
- User manual and operation guide (typical)
- Water level indicator guide (typical)
- Sample rack or positioning accessories (typical)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering defects in materials and workmanship, with technical support for installation and operational guidance.
Compliance
What is the temperature recovery time when adding room temperature samples?
Recovery time depends on sample volume and thermal mass, but the 800W heating capacity typically restores temperature within 10-15 minutes for standard sample loads. The circulation pump accelerates thermal equilibration.
Can this unit maintain temperatures below ambient room temperature?
No, the minimum operating temperature is ambient room temperature +5°C. For sub-ambient cooling, a refrigerated circulator would be required.
What type of water should be used to prevent scaling and corrosion?
Distilled or deionized water is recommended to prevent mineral buildup on heating elements and maintain temperature sensor accuracy over extended use.
How often should temperature calibration be verified?
Temperature accuracy should be verified monthly using a NIST-traceable thermometer, with full calibration performed annually or when measurements fall outside ±0.1°C tolerance.
What is the maximum container height that fits in the work chamber?
The work chamber depth of 18cm accommodates containers up to approximately 15cm in height, allowing adequate clearance for water circulation and lid placement.
Does the unit have automatic shut-off features for safety?
Consult the product datasheet for specific safety features. Most thermostatic baths include over-temperature protection and low-water level indicators.
Can multiple temperature zones be maintained simultaneously?
No, this is a single-zone water bath that maintains uniform temperature throughout the entire working volume via circulation pump mixing.
What maintenance is required for the circulation pump?
Regular water changes with distilled water and periodic cleaning prevent mineral deposits that could affect pump performance and temperature uniformity.
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