Haier DW-86L388A Ultra Low Temp Freezer

• Long-term preservation of biological samples such as DNA, RNA, proteins, and cell lines in research laboratories.
• Secure storage of vaccines, reagents, and pharmaceuticals requiring ultra-low temperatures in clinical settings.
• Retention of forensic evidence and environmental samples where temperature stability is critical.
• Use in biotechnology and pharmaceutical R&D for maintaining integrity of sensitive compounds.

Typical capacity

For this model series, capacities commonly range from approximately 300 to 400 litres.

Temperature range

Designed for stable operation down to -86°C.

Power supply

Units of this type typically require a dedicated 230V, 50Hz single-phase power supply, often with a specific amperage rating.

Cooling technology

Commonly features cascade refrigeration systems with environmentally friendly refrigerants.

Insulation

Typically employs multi-layer insulation and vacuum insulation panels to minimise heat loss.

Footprint

For this class of upright freezer, external dimensions typically require a floor space of around 800mm x 1000mm.

• What are the common maintenance requirements for an ultra-low temperature freezer?

  Regular maintenance typically involves defrosting the interior, cleaning condenser coils, checking door seals for integrity, and verifying alarm functions. It is advisable to follow the manufacturer's specific guidelines.

• How important is power stability for this equipment?

• Can this freezer be moved easily once installed?

• What safety features are typically included?

• What is the typical lifespan of an ultra-low temperature freezer?

Laboratory freezers hold strong reputations for reliable sample preservation across biotech and pharmaceutical settings. Buyers typically prioritise temperature stability, storage capacity, and energy efficiency when selecting used units. Key considerations include verifying maintenance history, checking door seals and compressor condition, and confirming accurate temperature control calibration. Industry sentiment values freezers offering consistent performance and minimal sample degradation. Established brands generally command preference due to proven durability. Used models often deliver good value when properly serviced, though buyers should assess age and usage patterns carefully before purchase.

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