
86°C Freezer 28L 50L 58L 108L
Ultra-low temperature freezer maintaining -40°C to -86°C with microprocessor control and LED monitoring for critical biological sample storage.
| Automation Level | semi-automated |
| BDF-86V58 | BDF-86V65 |
| 58L | 65L |
| Temp. Range | -40~-86℃ |
| Temp. Accuracy | 0.1℃ |
| Temp. Uniformity | ±3℃ |
The -86°C Ultra-Low Freezer provides reliable cryogenic storage for critical biological samples in research and clinical environments. This microprocessor-controlled system maintains temperatures from -40°C to -86°C with ±0.1°C accuracy, ensuring consistent sample preservation across various storage requirements.
Available in multiple capacity configurations (28L, 50L, 58L, 108L), the freezer features LED display monitoring and rapid temperature recovery capabilities. The unit achieves -80°C cooling within 120-240 minutes depending on capacity, with recovery to -75°C in 15-25 minutes following door opening events. Temperature uniformity of ±3°C throughout the storage compartment provides consistent conditions for long-term sample integrity.
How It Works
Ultra-low temperature freezers utilize cascade refrigeration systems with multiple compressors to achieve temperatures below -80°C. The primary refrigeration circuit removes heat from ambient to intermediate temperatures, while a secondary circuit further reduces temperatures to the ultra-low range. Microprocessor control systems continuously monitor and adjust compressor operation to maintain precise temperature setpoints.
The freezer employs insulated cabinet construction with multiple barrier systems to minimize heat transfer and maintain temperature stability. Internal air circulation systems ensure uniform temperature distribution throughout the storage compartment, while temperature sensors provide feedback for closed-loop control. LED displays provide real-time temperature monitoring and alarm indication for temperature excursions or system malfunctions.
Recovery time specifications indicate the system's ability to return to operating temperature following door opening events, which is critical for maintaining sample integrity during routine access. The combination of rapid cooling and temperature stability makes these systems suitable for storage of temperature-sensitive biological materials requiring long-term preservation.
Features & Benefits
Automation Level
- semi-automated
BDF-86V58
- BDF-86V65
58L
- 65L
Temp. Range
- -40~-86℃
Temp. Accuracy
- 0.1℃
Temp. Uniformity
- ±3℃
±4℃
- ±3℃
Temp. Stability
- ≤6℃
Recovery Time(Recover to -75℃ in an ambient temp.
- 20min
25min
- ≤15min
Cooling Time(Cool down to -80℃ in an ambient temp.
- 120min
160min
- ≤240min
Control System
- Microprocessor control
Brand
- ConductScience
Research Domain
- Cancer Research
- Cell Biology
- Clinical Diagnostics
- Developmental Biology
- Immunology
- Microbiology
- Pharmaceutical QC
Capacity
- 28L
Display Type
- LED
Weight
- 71.0 kg
Dimensions
- L: 40.0 mm
- W: 27.0 mm
- H: 26.5 mm
Comparison Guide
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Temperature Range | -40°C to -86°C with microprocessor control | Many models limited to -80°C maximum with basic temperature control | Extended temperature capability accommodates specialized storage protocols requiring deeper cryogenic conditions |
| Temperature Accuracy | ±0.1°C accuracy with continuous monitoring | Entry-level models often provide ±1°C to ±2°C accuracy | Precise temperature control ensures consistent sample preservation for critical applications |
| Recovery Performance | 15-25 minute recovery to -75°C after door opening | Basic models may require 30-60 minutes for temperature recovery | Rapid recovery minimizes sample exposure to elevated temperatures during routine access |
| Display System | LED display with microprocessor control interface | Analog gauges or basic digital displays common in standard models | Clear monitoring interface enables precise temperature tracking and system status verification |
| Capacity Options | Multiple sizes from 28L to 108L available | Limited size selection in many product lines | Flexible capacity selection allows optimization for laboratory space and storage requirements |
This ultra-low freezer offers extended temperature range capability to -86°C with precise ±0.1°C accuracy and rapid recovery performance. The microprocessor control system with LED display provides enhanced monitoring compared to basic mechanical systems, while multiple capacity options accommodate diverse laboratory requirements.
Practical Tips
Verify temperature accuracy quarterly using calibrated external thermometers placed at multiple locations within the storage compartment.
Why: Regular calibration verification ensures continued accuracy of the control system for critical sample preservation.
Clean condenser coils monthly and inspect door seals for wear or damage that could compromise temperature performance.
Why: Proper heat exchange and cabinet sealing are essential for maintaining ultra-low temperatures efficiently.
Pre-cool sample containers and minimize door opening time to reduce temperature recovery periods and energy consumption.
Why: Thermal mass management reduces temperature fluctuations and maintains stable storage conditions.
Organize samples for efficient access and maintain detailed inventory records to minimize search time during retrieval.
Why: Systematic organization reduces door opening duration and prevents unnecessary temperature excursions.
Monitor ambient room temperature and ensure adequate ventilation clearance around the unit if cooling performance degrades.
Why: Ultra-low temperature freezers are sensitive to ambient conditions and require proper heat rejection for optimal performance.
Install backup power systems or temperature monitoring alarms to protect valuable samples during power outages.
Why: Ultra-low temperature storage requires continuous operation to prevent sample degradation from temperature excursions.
Log temperature readings and any alarm events to maintain documentation for sample traceability and quality assurance.
Why: Temperature documentation provides evidence of proper storage conditions for regulatory compliance and sample integrity verification.
Setup Guide
What’s in the Box
- Ultra-low freezer main unit
- Power cord
- User manual and documentation
- Temperature monitoring probe (typical)
- Storage racks or shelving (typical)
- Warranty registration materials (typical)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering parts and labor, with technical support available for installation guidance and troubleshooting assistance.
Compliance
References
Background reading relevant to this product:
What is the temperature recovery time after door opening?
The freezer recovers to -75°C within 15-25 minutes after door opening events, depending on capacity and ambient conditions. This rapid recovery minimizes sample exposure to elevated temperatures.
How uniform is the temperature throughout the storage compartment?
Temperature uniformity is maintained within ±3°C throughout the storage volume, ensuring consistent preservation conditions for all stored samples regardless of location within the cabinet.
What type of temperature monitoring and alarm systems are included?
The unit features microprocessor control with LED display for continuous temperature monitoring. Consult product datasheet for specific alarm functions and remote monitoring capabilities.
How long does initial cooldown take?
Cooling time to reach -80°C ranges from 120-240 minutes depending on the capacity model and ambient temperature conditions during startup.
What maintenance is required for optimal performance?
Regular maintenance includes condenser coil cleaning, door seal inspection, and temperature calibration verification. Consult user manual for detailed maintenance schedules and procedures.
Can the unit operate reliably in varying ambient temperatures?
Performance specifications assume standard laboratory ambient conditions. Consult product datasheet for specific ambient temperature operating ranges and derating factors for elevated temperatures.
What storage accessories are compatible with this freezer?
Standard freezer racks, dividers, and storage boxes designed for ultra-low temperature applications are typically compatible. Verify dimensions against internal cabinet specifications before purchase.







