Labotemp -86°C Ultra Low Freezer ULF-28 is a high-capacity Laboratory Freezer designed for secure long-term sample preservation at ultra-low temperatures from -40°C to -86°C. Engineered for critical applications such as medical freezer storage, vaccine preservation, and DNA preservation, it ensures stable and uniform cooling through a dual refrigeration system. In the event of system failure, the backup cooling system automatically maintains temperatures up to -70°C, safeguarding valuable biological samples, reagents, and research materials.
Built for reliability and efficiency, this advanced ULT Freezer features a microprocessor-controlled system with a 7-inch touch display for precise temperature monitoring (±0.1°C). The robust cabinet with VIP insulation and stainless steel interior enhances thermal stability while reducing energy consumption. Comprehensive safety features including multiple alarms, 72-hour backup battery, door lock, and power failure protection ensure uninterrupted sample preservation. With high storage capacity (588L) and optimized airflow, it delivers consistent performance for demanding laboratory and clinical environments.
Why Choose Labotemp -86°C Ultra Low Freezer ULF-28?
✓ Dual cooling system: Automatic backup ensures sample safety
✓ Ultra-low stability: Reliable -86°C performance with ±0.1°C control
✓ Advanced safety features: Multi-alarm system with 72-hour backup
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Capacity : 588 L Capacity |
588 L |
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Temperature Range : -40°C to -86°C Temperature Range |
-40°C to -86°C |
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Ambient Temperature : 10 – 32°C Ambient Temperature |
10 – 32°C |
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Sample Capacity : 25500 vials (0.5–2 ml), 400 boxes, 16 racks Sample Capacity |
25500 vials (0.5–2 ml), 400 boxes, 16 racks |
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Power Supply : 220V ±10%, 50 Hz Power Supply |
220V ±10%, 50 Hz |
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Power Consumption : 1500 W Power Consumption |
1500 W |
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Electric Current : 10.47 A Electric Current |
10.47 A |
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Energy Consumption (kWh/24h) : 16.23 Energy Consumption (kWh/24h) |
16.23 |
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Controller / Display : Microprocessor / 7 Controller / Display |
Microprocessor / 7 |
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Sensor : PTC Sensor |
PTC |
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Temperature Accuracy : 0.1°C Temperature Accuracy |
0.1°C |
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Refrigeration Type : Direct cooling / Manual defrost Refrigeration Type |
Direct cooling / Manual defrost |
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Cooling System : Cascade refrigeration system Cooling System |
Cascade refrigeration system |
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Compressor : SECOP × 2 Compressor |
SECOP × 2 |
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Refrigerant / Weight : R4001 / 320 g Refrigerant / Weight |
R4001 / 320 g |
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Interior Material : Stainless Steel Interior Material |
Stainless Steel |
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Exterior Material : Coated Steel / Stainless Steel Exterior Material |
Coated Steel / Stainless Steel |
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Insulation Material : PURF (100 mm) and Vacuum Insulation Panel (VIP) Insulation Material |
PURF (100 mm) and Vacuum Insulation Panel (VIP) |
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Door Type : Foamed solid door × 1 / Foamed solid door × 2 Door Type |
Foamed solid door × 1 / Foamed solid door × 2 |
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Door Lock : Yes Door Lock |
Yes |
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Test Hole : 2 Test Hole |
2 |
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Casters : 4 Casters |
4 |
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Cold Rack Max Loading Capacity : 255D rack / 16 Cold Rack Max Loading Capacity |
255D rack / 16 |
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2' Cold Rack Max Loading Capacity : 400 2' Cold Rack Max Loading Capacity |
400 |
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Alarm – High / Low Temperature : Yes Alarm – High / Low Temperature |
Yes |
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Alarm – Power Failure : Yes (72h backup) Alarm – Power Failure |
Yes (72h backup) |
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Alarm – Sensor Error : Yes Alarm – Sensor Error |
Yes |
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Alarm – Controller Error : Yes Alarm – Controller Error |
Yes |
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Alarm – Door Ajar : Yes Alarm – Door Ajar |
Yes |
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Alarm – Abnormal Voltage : Yes Alarm – Abnormal Voltage |
Yes |
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Alarm – Ambient Temperature : Yes Alarm – Ambient Temperature |
Yes |
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Alarm – Battery Error : Yes Alarm – Battery Error |
Yes |
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Alarm – Condenser Error / Filter Net Clean : Yes Alarm – Condenser Error / Filter Net Clean |
Yes |
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Interior Dimensions (W×D×H) : 606 × 738 × 1310 mm Interior Dimensions (W×D×H) |
606 × 738 × 1310 mm |
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Exterior Dimensions (W×D×H) : 891 × 1155 × 1995 mm Exterior Dimensions (W×D×H) |
891 × 1155 × 1995 mm |
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Packing Dimensions (W×D×H) : 975 × 1185 × 2200 mm Packing Dimensions (W×D×H) |
975 × 1185 × 2200 mm |
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Net / Gross Weight : 335 / 395 kg Net / Gross Weight |
335 / 395 kg |
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Package : Plywood box with pallet Package |
Plywood box with pallet |
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Temperature stability : +/- 5°C Temperature stability |
+/- 5°C |
Dual Cooling System
➤ Dual Cooling SystemDual independent cascade cooling system with automatic backup activation
➤ Dual independent cascade cooling system with automatic backup activationUltra-low temperature performance down to -86°C
➤ Ultra-low temperature performance down to -86°CHigh storage capacity of 588 L with organized rack system
➤ High storage capacity of 588 L with organized rack systemMicroprocessor-based precise temperature control (±0.1°C)
➤ Microprocessor-based precise temperature control (±0.1°C)7-inch touchscreen with real-time monitoring and display
➤ 7-inch touchscreen with real-time monitoring and displayDual SECOP compressors for reliable continuous operation
➤ Dual SECOP compressors for reliable continuous operationMulti-layer insulation (PURF + VIP) for thermal efficiency
➤ Multi-layer insulation (PURF + VIP) for thermal efficiencyComprehensive alarm system for safety and compliance
➤ Comprehensive alarm system for safety and compliance72-hour battery backup for controller and data protection
➤ 72-hour battery backup for controller and data protectionStainless steel interior for corrosion resistance and hygiene
➤ Stainless steel interior for corrosion resistance and hygieneDouble insulated door design to minimize temperature fluctuation
➤ Double insulated door design to minimize temperature fluctuationDirect cooling system ensuring stable internal conditions
➤ Direct cooling system ensuring stable internal conditionsEnergy-efficient operation with controlled power consumption
➤ Energy-efficient operation with controlled power consumptionIntegrated mobility with heavy-duty casters
➤ Integrated mobility with heavy-duty castersSecure door lock and test ports for controlled operation
➤ Secure door lock and test ports for controlled operationLong-term storage of vaccines, biological samples, and reagents requiring -86°C stability
➤ Long-term storage of vaccines, biological samples, and reagents requiring -86°C stabilityBiobanking and clinical research with alarm-monitored and backup-protected storage
➤ Biobanking and clinical research with alarm-monitored and backup-protected storagePharmaceutical QC and GMP environments for stability studies and sample retention
➤ Pharmaceutical QC and GMP environments for stability studies and sample retentionMolecular biology storage of DNA, RNA, enzymes, and cell samples
➤ Molecular biology storage of DNA, RNA, enzymes, and cell samplesIndustrial and academic labs requiring validated ultra-low temperature preservation with high capacity and safety compliance
➤ Industrial and academic labs requiring validated ultra-low temperature preservation with high capacity and safety complianceUSB Data Download Port
➤ USB Data Download PortRemote Alarm Port
➤ Remote Alarm PortRS485 Port
➤ RS485 PortTemperature Datalogger
➤ Temperature DataloggerTemperature Printer
➤ Temperature PrinterTemperature Chart Recorder
➤ Temperature Chart RecorderProtective Gloves
➤ Protective GlovesLN2/CO2 Backup System
➤ LN2/CO2 Backup System