25℃ Freezer Combined Refrigerator and Freezer(Customized)
Dual-compartment laboratory storage unit combining refrigeration (2-15℃) and freezing capabilities with microprocessor control and ±0.1℃ temperature accuracy for temperature-sensitive sample preservation.
Louise Corscadden, PhD
Director of Science · ConductScience
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Key Specifications
Full details →- Model fit
- 4 selectable configurations
- SKU family
- BIO-0084
- Sizing
- 170.0 x 59.5 x 60.0 cm
- Ordering
- Online checkout and quote request available
- Category
- Cold Storage
- Build notes
- Confirm accessories, station layout, and support needs before purchase
The 25℃ Freezer Combined Refrigerator and Freezer represents a dual-temperature storage solution designed for laboratory environments requiring precise temperature control across multiple thermal zones. This customized unit integrates refrigeration and freezing compartments within a single footprint, featuring microprocessor control systems for automated temperature management.
The system provides independent temperature zones with the refrigerator compartment operating between 2-15℃ and specialized freezer sections. Temperature accuracy of ±0.1℃ and stability within ±3℃ ensure consistent storage conditions for temperature-sensitive materials. The microprocessor control system enables programmable temperature profiles and continuous monitoring of thermal parameters across both compartments.
How It Works
The combined refrigerator-freezer system operates through independent cooling circuits that maintain distinct temperature zones within a single unit. The refrigerator compartment utilizes controlled refrigeration cycling to maintain temperatures between 2-15℃, while the freezer section achieves sub-zero temperatures for long-term sample preservation.
Microprocessor control systems continuously monitor temperature sensors distributed throughout both compartments, automatically adjusting compressor operation and refrigerant flow to maintain target temperatures. The control system implements proportional-integral-derivative (PID) algorithms to minimize temperature fluctuations and achieve the specified ±0.1℃ accuracy.
Thermal insulation and chamber design optimize temperature uniformity while preventing cross-contamination between compartments. Independent door seals and vapor barriers maintain distinct atmospheric conditions, allowing simultaneous storage of materials with different temperature and humidity requirements.
Features & Benefits
Automation Level
- semi-automated
BRF-25V318
- BRF-25V368
174L
- 208L
183L
- 295L
Freezer
- 420*450*670mm
110L
- 185L
Temp. Range
- Refrigerator
2~15℃
- 2~8℃
Temp. Accuracy
- 0.1℃
Temp. Uniformity
- Refrigerator
Temp. Stability
- ≤3℃
Recovery Time
- Refrigerator
Cooling Time
- Refrigerator
Control System
- Microprocessor control
Brand
- ConductScience
Research Domain
- Analytical Chemistry
- Cell Biology
- Clinical Diagnostics
- Immunology
- Microbiology
- Pharmaceutical QC
Capacity
- Refrigerator
Model
- BDF-25V300
- BDF-25V318
- BDF-25V368
- BDF-25V450
Weight
- 69.0 kg
Dimensions
- L: 170.0 mm
- W: 59.5 mm
- H: 60.0 mm
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Temperature Control Accuracy | ±0.1℃ accuracy with microprocessor control | Standard laboratory refrigerators often provide ±1-2℃ accuracy with mechanical thermostats | Higher precision ensures consistent storage conditions for temperature-sensitive biological and chemical samples |
| Compartment Configuration | Dual independent temperature zones (refrigerator and freezer) | Single-compartment units require separate equipment for different temperature ranges | Reduces laboratory footprint while accommodating diverse storage temperature requirements |
| Temperature Range Flexibility | 2-15℃ refrigerator range with 2-8℃ pharmaceutical option | Fixed temperature ranges typically limited to standard refrigeration temperatures | Enables storage optimization for different sample types and regulatory requirements |
| Control System Integration | Microprocessor-based control with programmable setpoints | Basic models use simple dial controls or basic digital displays | Provides automated temperature management and monitoring capabilities for improved sample security |
| Storage Capacity Options | Multiple configurations from 174L to 295L refrigerator, 110L to 185L freezer | Fixed capacity models require selection of single size option | Allows matching storage capacity to specific laboratory volume requirements and growth plans |
This combined refrigerator-freezer offers precise temperature control through microprocessor management while providing space-efficient dual-zone storage. The customizable capacity configurations and pharmaceutical-grade temperature ranges provide flexibility for diverse laboratory storage requirements.
| Model | SKU | Listed price | Status | Dimensions |
|---|---|---|---|---|
| BDF-25V450 | BDF-25V450-C | $3,400.00 | Available | 170.0 x 59.5 x 60.0 cm |
| BDF-25V368 | BDF-25V368-C | $2,799.00 | Available | 170.0 x 59.5 x 60.0 cm |
| BDF-25V318 | BDF-25V318-C | $2,399.00 | Available | 170.0 x 59.5 x 60.0 cm |
| BDF-25V300 | BDF-25V300-C | $1,899.00 | Available | 170.0 x 59.5 x 60.0 cm |
Practical Tips
Verify temperature accuracy quarterly using NIST-traceable calibrated thermometers placed at multiple locations within each compartment.
Why: Ensures continued accuracy of the ±0.1℃ specification and identifies any sensor drift or calibration issues.
Clean condenser coils monthly and inspect door seals for damage or contamination that could affect temperature stability.
Why: Maintains optimal heat transfer efficiency and prevents air leakage that compromises temperature control.
Avoid overloading compartments beyond 80% capacity to ensure adequate air circulation around stored materials.
Why: Proper air circulation is essential for maintaining temperature uniformity and achieving the ±3℃ stability specification.
Monitor temperature recovery time after door openings; extended recovery may indicate cooling system issues or door seal problems.
Why: Early detection of performance degradation prevents sample compromise and costly equipment failures.
Document temperature setpoints and actual temperatures during sample storage to maintain complete audit trails.
Why: Proper documentation supports regulatory compliance and validates sample storage conditions for research integrity.
Ensure adequate ventilation around the unit and never block air intake or exhaust vents during operation.
Why: Prevents overheating of cooling components and maintains safe operating conditions for laboratory personnel.
Organize samples by temperature sensitivity with most critical materials placed in areas with greatest temperature stability.
Why: Maximizes protection of valuable samples by utilizing the most stable temperature zones within each compartment.
Test alarm functions and backup power systems monthly to ensure continuous monitoring capability.
Why: Prevents sample loss due to undetected temperature excursions during power outages or equipment malfunctions.
Setup Guide
What’s in the Box
- Combined refrigerator-freezer unit
- Microprocessor control panel
- User manual and operating instructions
- Temperature monitoring accessories (typical)
- Power cord and electrical connections (typical)
- Shelving and storage accessories (typical)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering defects in materials and workmanship. Technical support includes installation guidance, operational training, and troubleshooting assistance throughout the warranty period.
Compliance
References
Background reading relevant to this product:
What temperature uniformity can be expected across different locations within each compartment?
Temperature uniformity specifications should be confirmed from the product datasheet, as spatial temperature variation depends on compartment geometry, air circulation design, and loading patterns.
How quickly does the system recover to setpoint temperature after door opening?
Recovery time specifications are product-specific and should be verified from technical documentation, as this depends on compartment thermal mass, insulation design, and compressor capacity.
Can both compartments operate at different temperature setpoints simultaneously?
Yes, the dual-compartment design with independent temperature zones allows simultaneous operation at different setpoints, with the refrigerator section operating between 2-15℃ while the freezer maintains sub-zero temperatures.
What type of temperature monitoring and alarm capabilities are included?
The microprocessor control system provides continuous temperature monitoring, though specific alarm features and data logging capabilities should be confirmed from the product specifications.
Is the unit suitable for storage of pharmaceutical products requiring specific temperature ranges?
The 2-8℃ temperature range capability makes it suitable for pharmaceutical storage applications, though specific validation requirements should be verified against applicable regulatory guidelines.
How does this compare to separate individual refrigerator and freezer units?
The integrated design offers space efficiency and centralized control while maintaining independent temperature zones, though total storage volume may differ from comparable separate units.
What preventive maintenance procedures are required to maintain temperature accuracy?
Regular temperature calibration verification, condenser cleaning, and door seal inspection are typically required, with specific maintenance schedules detailed in the user manual.
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