Product overviewLaboratory Freezer LDF-11 is a precision-controlled biomedical deep freezer providing a stable temperature range of −30 to −10 °C and a usable capacity of 330 L. It features microprocessor-based temperature control with high resolution, an LED digital display and an SS304 stainless steel interior for hygienic storage of biological samples, reagents, enzymes and other temperature-sensitive materials. High-density PURF insulation and R134a refrigeration ensure consistent thermal performance. The unit includes multi-level safety alarms and protective functions required for laboratory, hospital and vaccine storage environments.
Key features- Temperature range: −30 to −10 °C
- 330 L usable capacity
- Microprocessor temperature controller with high-resolution display
- Temperature calibration function
- Multi-level alarms: high/low temperature, sensor failure, door-ajar
- Buzzer and flashing light alarm
- Password protection and keyboard lock
- Power-failure memory function
- Adjustable shelving and key-lock door
- Wide voltage operation (187–242 V)
- Anti-corrosion coated steel exterior
- Solar-compatible option
Optional accessories- Portable USB temperature recorder
- Temperature record printer
- Wireless remote alarm
- UPS emergency power
- Solar power supply
Applications- Research laboratories and academic facilities
- Clinical and hospital sample storage
- Vaccine and reagent storage
- Low-temperature material testing
- Biotechnology and bioengineering labs
- Electronics and chemical industry research
- Agricultural and marine research
Technical specifications- Temperature range: −30 to −10 °C
- Capacity: 330 L
- Voltage: 220 V 50 Hz
- Power consumption: 2.5 kW·h / 24 h
- Operating ambient temperature: 10 to 32 °C
- Temperature controller: Microprocessor, high resolution
- Display: LED digital display
- Interior material: SS304 stainless steel
- Exterior material: Color-sprayed steel
- Door type: Foam door
- Insulation: High-density PURF
- Alarms: High/low temperature, sensor failure, door-ajar, system failure
- Alarm type: Sound and light
- Input power: 280 W
- Electric shock protection: Class I Type B
- Dimensions (DxWxH): 685 × 700 × 1960 mm
- Net weight: 86 kg
- Gross weight: 96 kg