-25℃ Laboratory Freezer 270L (CAT#: STEM-LT-0503-ZJF)

The -25℃ Laboratory Freezer series is engineered for stable and precise low-temperature performance, suitable for storing sensitive biological and industrial materials. With capacities ranging from 100L to 936L, these models are equipped with high-efficiency compressors, microprocessor-based temperature control, and robust safety alarms. The series supports a variety of specialized applications in biotechnology, medicine, and materials science, offering both performance and reliability in demanding environments.

Capacity: 270L
Temperature Uniformity: ≤3℃
Temperature Stability: ≤3℃
Cooling Time: 150 min
Refrigerant: R290/55g
Condenser & Evaporator: Wire-on-tube Bundy tube condenser; built-in coil type copper tube evaporator
Internal Material: HIPS
External Material: Precoated steel plate
Door: Cyclopentane integral foam outer door ×1 (Interior door optional)
Consumption: 332W
Power Supply: AC220V, 50Hz (Standard); Optional: 220V 60Hz, 110V 50/60Hz
Casters: Yes
Shelf: 3
Standard Accessory: Test hole, USB interface
Optional Accessory: Temperature recorder, RS485, printer, inner door
Internal Size: 520×567×1013 mm
External Size: 690×744×1631 mm
Package Size: 810×860×1820 mm
Net Weight: 115 kg
Gross Weight: 132 kg

Wide -10℃ to -25℃ operating range for specialized low-temperature applications
High-precision microprocessor temperature control with 0.1℃ accuracy
Rapid cooling and temperature recovery performance
Multiple alarm systems for temperature, power, sensor, voltage, and condenser faults
Manual defrost system ensures simple maintenance and steady operation
High-efficiency compressors with energy-saving refrigerants (R600a, R290, R404A)
Durable construction with polyurethane insulation and steel or stainless steel interiors
Variety of optional accessories: USB interface, RS485, temperature recorder, backup systems
Drawer-style or fixed shelf configurations depending on model
Available with casters for mobility on larger units

STEM-LT-0501-ZJF
STEM-LT-0502-ZJF
STEM-LT-0504-ZJF
STEM-LT-0505-ZJF