-40℃ Vertical Laboratory Freezer 408L (CAT#: STEM-LT-0538-ZJF)

The BDF-40V series offers high-performance -40℃ freezers designed to maintain the stability and efficacy of temperature-sensitive materials. With precise microprocessor temperature control, durable stainless-steel interiors, and multi-level alarm systems, these freezers deliver dependable storage for critical medical and laboratory applications. The manual defrost system ensures consistent thermal conditions, while a robust structure and user-friendly interface enhance operational reliability.

Capacity: 408L
Temp. Range: -15℃ - -40℃
Temp. Uniformity/Stability: ≤4℃
Recovery Time: 40min
Cooling Time: 50min
Refrigerant: R404A/R23/390g
Condenser & Evaporator: Finned copper tube condenser; built-in coil type copper tube evaporator
Alarm: High/low temperature, thermostat fault
Power Supply: AC220V, 50Hz (Standard); 220V, 60Hz; 110V, 60Hz (Optional)
Consumption: 700W
Door:
Outer: Cyclopentane integral foam door ×1
Inner: 304 stainless steel doors ×4
Shelf: 3
Optional Accessory: RS485 interface
Internal Size: 610×615×1120 mm
External Size: 850×900×1780 mm
Package Size: 980×980×1930 mm
Net Weight: 188 kg
Gross Weight: 238 kg

Stable low-temperature storage from -15℃ to -40℃
High-precision microprocessor temperature control (±0.1℃)
Efficient direct-cooling with environmentally friendly R290 or R404A refrigerants
Manual defrost maintains temperature uniformity
Multi-layer door insulation enhances cooling retention
Durable 304 stainless steel interior for corrosion resistance and hygiene
LED display and multi-alarm system for safety
Optional USB and RS485 data interfaces for monitoring and traceability
Lockable caster design for mobility and placement flexibility

STEM-LT-0536-ZJF
STEM-LT-0537-ZJF
STEM-LT-0539-ZJF
STEM-LT-0540-ZJF