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KoolMore Ultra-Low 25 Cu. Ft. Lab freezer with Dual Inverters.
The KoolMore Ultra-Low Temperature Lab Freezer is designed to meet the rigorous demands of laboratory, pharmaceutical, and research environments that require precise, reliable cold storage.
With an ultra-low temperature range of –40°C to –86°C, this unit provides long-term protection for sensitive materials. Its dual inverter compressors and dual cooling system provide efficient operation, improved temperature uniformity, faster pull-down times, and added system redundancy.
With a spacious 25 cu. ft. capacity and a durable 304 stainless-steel interior, the freezer is built for daily use in demanding lab settings.
Precision microprocessor temperature control maintains accuracy within ±0.1°C, while a large 10.1-inch touchscreen delivers real-time monitoring, alarm management, and intuitive system control.
A multi-door design—featuring one outer door and four inner compartment doors—reduces cold air loss during access, helping maintain temperature stability.
Integrated data logging with USB export simplifies compliance and record keeping, while a rechargeable backup battery supports alarms and data logging for up to 17 hours during power outages.
UL certified, the unit is backed by a 1-year parts-and-labor manufacturer's warranty for added confidence and long-term reliability.
| Product ID | KM-PHF-25CUL |
| Certifications | UL Certified for Safety |
| Electrical Amps | 14 |
| Hertz | 60 |
| Phase | 1 |
| Voltage | 100 |
| Wattage | 1250 |
| Plug Type | NEMA 5-20P |
| Power Cord Length | 66.94 in. |
| Energy Consumption | 2595.15 kWh/year |
| Electrical Installation Type | Plug-In |
| Interior Length | 29.13 in. |
| Interior Width | 28.35 in. |
| Interior Height | 51.57 in. |
| Length | 39.98 in. |
| Width | 39.98 in. |
| Height | 77.36 in. |
| Weight | 705 lbs. |
| Gross Cubic Feet | 25 Cu. Ft. |
| Net Cubic Feet | 25 Cu. Ft. |
| Depth Less Door | 34.54 in. |
| Depth with Door Open 90 Degrees | 74.8 in. |
| Gross Cubic Feet | 25 Cu. Ft. |
| Net Cubic Feet | 25 Cu. Ft. |
| Height to Top of Door Hinge | 77.95 in. |
| Height to Top of Case | 77.95 in. |
| Minimum Back Air Clearance | 12 in. |
| Minimum Side Air Clearance | 12 in. |
| Intended Use | Commercial |
| Digital LED Display | Yes |
| Digital Humidity Display | No |
| Electrical Heating Door | No |
| Installation Type | Freestanding |
| Control Type | Microprocessor |
| Defrost Type | Manual |
| Refrigerant Type | R600a/60g |
| Cooling Unit Type | Direct cooling |
| Compressor Horsepower | 0 |
| Compressor Location | Bottom |
| Number of Compressors | 2 |
| Temperature Range | -40℃~-86℃ |
| Ambient Temperature Range | 10-32℃ |
| Temperature Pull Down Time | 3.0h from 25℃ to -81℃ |
| Temperature Variation | ≤5℃ |
| Backup Battery Hours | 17 |
| Backup Battery Type | Lithium |
| Backup Battery Replaceable | Yes |
| Backup Battery Rechargeable | Yes |
| Backup Battery Voltage | 10.8V |
| Backup Battery Capacity | 6.7 AH |
| Data Logging | Yes |
| USB Port | Yes |
| Low Temp Alarm | Yes |
| High Temp Alarm | Yes |
| Ambient Temperature Alarm | Yes |
| Power Failure Alarm | Yes |
| Sensor Failure Alarm | Yes |
| Door Ajar Alarm | Yes |
| Remote Alarm | Yes |
| Build in Air Duct | No |
| Sensor Count | 7 |
| Number of Doors | 1 (4 compartment doors) |
| Door Style | Swing |
| Door Material | Foaming |
| Self Closing Door | No |
| Number of Shelves | 3 |
| Shelves Adjustable | Yes |
| Individual Shelf Capacity | 165 lbs. |
| Shelf Material Type | Stainless-Steel 304 |
| Exterior Material | Precoated Metal |
| Gauge of Stainless-Steel | 20 |
| Interior Material | Stainless-Steel 304 |
| Color Finish | Grey |
| Color of Door Handles | Grey |
| Interior Color | Stainless-Steel |
| Interior Lights | No |
| Safety Lock | Yes |
| Noise | 46 dB |
| Stackable | No |
| Legs Adjustable | Yes |
| Number of Feet | 2 |
| Casters | 4 |
| Country of Origin | China |
| Warranty | 1-Year Parts and Labor; 5-Year Compressor Warranty |
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