Labotemp Upright Lab Freezer LDF-20 is a high-performance Laboratory Deep Freezer designed for the secure storage of biological materials, vaccines, blood plasma, reagents, enzymes, and other temperature-sensitive laboratory samples. Offering a temperature range of -20°C to -40°C and a 278 L capacity, this Biological Freezer provides reliable low-temperature preservation for research laboratories, hospitals, pharmaceutical facilities, biotechnology companies, and clinical laboratories. A precision microprocessor controller with 0.1°C temperature accuracy, NTC sensor, and digital display maintains stable internal conditions, while the direct cooling system and high-efficiency compressor deliver dependable refrigeration performance. Seven spacious drawers provide organized sample storage and easy retrieval without disturbing other stored materials.
Built for continuous laboratory operation, the LDF-20 combines energy-efficient cooling with comprehensive safety protection. The eco-friendly R290 refrigerant reduces environmental impact while maintaining efficient cooling performance. Audible and visual alarms for high/low temperature, door ajar, sensor failure, and controller errors help protect valuable samples, while the door lock and controller password prevent unauthorized access. Power failure protection automatically restores the previous operating state after power recovery, ensuring uninterrupted sample preservation. The durable coated-steel cabinet, high-density polyurethane insulation, and lockable castors provide long-term reliability, mobility, and stable temperature performance for demanding laboratory environments.
Why Choose Labotemp Upright Lab Freezer LDF-20?
✓ Reliable Low-Temperature Storage: Maintains stable temperatures from -20°C to -40°C for sensitive biological and laboratory materials.
✓ Precision Temperature Control: Microprocessor controller with 0.1°C accuracy ensures consistent sample preservation.
✓ Comprehensive Safety Protection: Multiple alarms, door lock, password protection, and power recovery safeguard valuable laboratory samples.
| No. | Specification | Value |
|---|---|---|
| Performance & Operating | ||
| 1 | Temperature Range | -20°C to -40°C |
| 2 | Capacity | 278 L |
| 3 | Temperature Control | Microprocessor Controller |
| 4 | Display | Digital Display |
| 5 | Temperature Accuracy | ±0.1°C |
| 6 | Sensor Type | NTC |
| 7 | Cooling Method | Direct Cooling |
| 8 | Compressor | CUBIGEL, 1 pc |
| 9 | Refrigerant | R290 / 49 g (HC Green Refrigerant) |
| 10 | Defrost | Manual |
| 11 | Power Supply | 220V ±10%, 50/60Hz |
| 12 | Power Consumption | 6.8 kWh/24h |
| 13 | Rated Power | 280 W |
| 14 | Current | 1.48 A |
| 15 | Ambient Temperature | 10°C to 32°C |
| 16 | Noise Level | 50 dB |
| Construction & Storage | ||
| 17 | Interior Dimensions (W × D × H) | 480 × 415 × 1460 mm |
| 18 | Exterior Dimensions (W × D × H) | 659 × 600 × 1694 mm |
| 19 | Net Weight | 110 kg |
| 20 | Gross Weight | 125 kg |
| 21 | Door Type | 1 Foamed Solid Door |
| 22 | Drawers | 7 |
| 23 | Interior / Exterior Material | Coated Steel |
| 24 | Insulation Material | PURF (85.5 mm) |
| 25 | Door Lock | Yes |
| 26 | Test Port | 1 |
| 27 | Castors | 4 (with stoppers) |
| Advanced Monitoring System | ||
| 28 | High/Low Temperature Alarm | Yes |
| 29 | Door Ajar Alarm | Yes |
| 30 | Sensor Error Alarm | Yes |
| 31 | Controller Error Alarm | Yes |
| 32 | Alarm Type | Audible & Visual |
| 33 | Shipping Dimensions (W × D × H) | 720 × 690 × 1820 mm |
Suitable for long-term low-temperature storage of vaccines, blood plasma, reagents, enzymes, biological specimens, and other temperature-sensitive laboratory materials. Ideal for hospitals, clinical laboratories, research institutes, pharmaceutical and biotechnology facilities, diagnostic centers, blood banks, and university laboratories requiring secure, monitored storage at -20°C to -40°C.
