-40℃ Laboratory Freezer 58L (CAT#: STEM-LT-0527-ZJF)

The BDF-40V Series -40℃ Freezers are compact, energy-efficient solutions designed for ultra-low temperature sample storage. With independent temperature control and multiple chamber options, these units accommodate different storage needs while optimizing space and power use. Featuring stainless steel interiors, LED displays, and advanced safety alarms, this series meets the demanding requirements of research and clinical environments.

Capacity: 58L
Temperature Range: -15℃ - -40℃
Temperature Accuracy: 0.1℃
Temperature Uniformity: ≤4℃
Temperature Stability: ≤4℃
Cooling Time (to -40℃ at 25℃ ambient): 50 min
Recovery Time (to -37℃): 40 min
Control System: Microprocessor control
Display: LED
Alarm: High/low temperature, thermostat fault
Refrigeration Type: Direct-cooling
Refrigerant: R404A / R23 / 150g
Compressor: International famous brand compressor/1
Condenser & Evaporator: Finned copper tube condenser; built-in coil type copper tube evaporator
Defrost: Manual
Construction: Polyurethane cyclopentane foam
Internal Material: 304 stainless steel
External Material: Sprayed steel plate
Door:
Outer: Sprayed steel plate outer door ×1
Inner: 304 stainless steel inner door ×1
Consumption: 290W
Power Supply: AC220V, 50Hz (Standard); Optional: 110/220V, 60Hz
Casters: Yes
Shelf: 1
Standard Accessory: Test hole, USB interface
Optional Accessory: Temperature recorder, RS485
Internal Size (W×D×H): 364×405×410 mm
External Size (W×D×H): 540×620×1115 mm
Package Size: 670×760×1290 mm (Plywood case)
Net Weight: 73 kg
Gross Weight: 82 kg

Ultra-low -40℃ temperature range for high-performance sample preservation
Multiple chamber designs for storing different materials in separate compartments
Fast cooling and recovery times ensure stable conditions for sensitive items
Accurate microprocessor temperature control (±0.1℃)
Manual defrost with direct-cooling system for stable operation
High-efficiency, eco-friendly refrigerants (R404A, R23, R290)
Stainless steel interior and sprayed steel exterior for durability and hygiene
Comprehensive safety alarms for temperature, thermostat, and power failure
Optional USB, RS485, and temperature recording for compliance and data management
Space-saving design with casters for mobility and easy positioning

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