Laboratory freezer LDF-11

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Product overview
Labotemp Laboratory deep freezer LDF-11 is a precision biomedical freezer engineered to maintain stable temperatures from −30 °C to −10 °C with a usable capacity of 330 L. Microprocessor-based temperature control with 0.1 °C resolution, LED digital display and an SS304 stainless steel interior ensure hygienic and uniform storage for biological samples, reagents, enzymes and other temperature-sensitive materials. High-density PURF insulation and an R134a refrigeration system deliver consistent thermal performance suitable for research labs, hospitals, vaccine storage and pharmaceutical facilities.

Why choose LDF-11?

• Microprocessor temperature monitoring with clear LED display and 0.1 °C resolution for tight stability.
• Multi-level safety protection: high/low temperature, sensor failure, door‑ajar and system alarms with audible and visual indicators.
• Hygienic SS304 interior and durable anti-corrosion painted steel cabinet for laboratory environments.

Features

• Solar-compatible option
• High-precision digital temperature display
• Temperature calibration function
• Multiple safety alarms (high/low temp, sensor failure, door open)
• Buzzer and flashing light alarm indication
• Password protection and keyboard lock
• Power-failure memory function
• Adjustable storage shelves
• Key-lock door safety design
• Wide voltage operation (187–242 V)
• Durable anti-corrosion coated steel cabinet

Applications

• Scientific research laboratories and academic institutions
• Storage of clinical and hospital samples
• Vaccine and reagent storage
• Low-temperature materials testing
• Biotechnology and bioengineering labs
• Electronics and chemical industry research
• Agricultural and marine research

Optional accessories

• Portable temperature recorder with USB interface
• Temperature record printer
• Remote (wireless) alarm
• UPS emergency power supply
• Solar power source

Specifications

• Temperature range: −30 to −10 °C
• Capacity: 330 L
• Voltage: 220 V 50 Hz (wide voltage 187–242 V)
• Power consumption: 2.5 kW·h / 24 h
• Input power: 280 W
• Ambient operating temperature: 10 to 32 °C
• Temperature controller: Microprocessor, 0.1 °C resolution
• Display: LED digital display
• Interior material: SS304 stainless steel
• Exterior material: Color-sprayed steel with anti-corrosion coating
• Door type: Foam-insulated door with key-lock
• Insulation: High-density PURF
• Alarms: High/low temp, sensor failure, door ajar, system failure (sound & light)
• Alarm type: Audible and visual
• Electric shock protection: Class I Type B
• Exterior dimensions (DxWxH): 685 × 700 × 1960 mm
• Net weight: 86 kg
• Gross weight: 96 kg