Chest freezer LFZ-80W series

laboratoryventilated220 V

Product
-80°C ultra-low temperature chest freezer designed for laboratory and biobank storage of biological samples, reagents and vaccines. Models range from 60 L to 620 L with SS304 stainless steel interior for sample safety.

Temperature Control Function

• Micro-computer control with digital temperature display; adjustment unit is 0.1°C.
• Temperature is adjustable; start-up / shut-down differential can be configured.
• Adjustable high and low temperature alarms.

Safety System

• Comprehensive alarm system with buzzer and flashing lamp.
• High/low temperature alarm and sensor fault alarm available.
• Multiple protections: password protection, anti-frequent-start protection, refrigeration protection on sensor fault.

Refrigerating System

• Ultra-thick 100 mm foam insulation and dual-seal lid design for effective temperature retention.
• Optimized auto-cascade refrigeration with imported SECOP compressors for reliable cooling performance.
• Evaporator designed for effective refrigerant flow and uniform cabinet temperature.
• Fluoride-free mixed refrigerant (100% CFC-free).
• Single-compressor option available for fewer components and lower energy consumption.
• Germany EBM noiseless fan for stable operation and reduced noise.

Humanized Design

• SS304 stainless steel interior to resist corrosion and protect samples.
• Heavy-duty casters for ease of movement.
• Safety lid design to prevent accidental opening; door lock with key standard.
• LED digital temperature display for clear monitoring.
• Operating ambient temperature range 10°C–30°C.
• Optional digital temperature recorder with USB interface for data logging and export.
• Wide voltage design suitable for 187V–242V operation (110V/60Hz optional).

Table - Key Models / Overview
Model | LFZ-80W60 | LFZ-80W120 | LFZ-80W220 | LFZ-80W320 | LFZ-80W420 | LFZ-80W520 | LFZ-80W620
Capacity | 60L | 120L | 220L | 320L | 420L | 520L | 620L
Temperature range | -40°C ~ -80°C (all models)
Display | Digital (all models)
External size (WxDxH) cm | 670×670×885 | 900×765×945 | 1160×765×885 | 1530×765×880 | 1684×765×970 | 1855×890×1005 | 2115×890×1005
Inside size (WxDxH) cm | 470×470×320 | 696×470×385 | 960×470×600 | 1330×470×600 | 1480×470×700 | 1220×600×695 | 1480×600×695
Inner material | SS304 (all models)
Compressor | SECOP (all models)
Cooling fan | EBM (all models)
External material | Cold rolled steel (all models)
Foam thickness | 100 mm (all models)
Door lock | Lock with key (all models)
Balance hole | Yes (all models)
Touch screen | ◎ (available for all models)
Temperature recorder | ◎ (available for all models)
USB interface | ◎ (available for all models)
Refrigerant | Mixed (fluoride-free) (all models)
Cooling type | Direct (all models)
Input power (selected models) | 310W / 320W / 380W / 450W / 480W / 500W / 550W (varies by model)
Power supply | 220V/50Hz (110V/60Hz optional)
Net weight (examples) | 78 kg / 89 kg / 106 kg / 126 kg / 146 kg / 155 kg / 175 kg (varies by model)
Packing | Plywood (all models)

Features / Technical specifications

• Series: LFZ-80W Series (−80°C ultra-low temperature chest freezer).
• Temperature control: micro-computer control, digital display, 0.1°C resolution.
• Temperature range: adjustable −40°C to −80°C.
• Interior: SS304 stainless steel liner for corrosion resistance and sample safety.
• Exterior: cold-rolled steel with heavy insulation (100 mm foam) and dual-seal lid.
• Refrigeration: optimized cascade system, SECOP compressors, fluoride-free mixed refrigerant, direct cooling.
• Fans: Germany EBM noiseless fans for lower noise.
• Safety: audible/visual alarms, sensor-fault alarm, password protection, anti-frequent-start protection.
• Data & monitoring: optional touch-screen controller, USB interface and digital temperature recorder for data export.
• Mobility & protection: heavy-duty casters, safety lid design, door lock with key, balance hole present.
• Electrical: standard 220V/50Hz (110V/60Hz optional); wide voltage design supports 187V–242V operation.
• Models & capacities: LFZ-80W models from 60 L to 620 L with corresponding dimensions and power ratings.