What are the typical space requirements for a Haier DW-86L490?

The footprint for units of this capacity class is typically around 1m x 1m, though exact dimensions vary by model. Buyers should confirm specific dimensions with the seller.

What maintenance is typically required for an ultra-low freezer?

Regular maintenance typically includes manual defrosting, cleaning of condenser filters, and ensuring adequate ventilation around the unit. Annual professional servicing is also recommended.

Can this freezer be used for long-term storage of all types of biological samples?

Yes, ultra-low freezers like the Haier DW-86L490 are specifically designed for the secure, long-term storage of a wide range of biological samples, including cells, tissues, DNA, and RNA.

What are the common safety features on these freezers?

Common safety features include high/low temperature alarms, power failure alarms, sensor error alarms, and often a door ajar alarm to protect valuable samples.

Is special electrical wiring needed for this type of freezer?

While typically operating on standard 230V, 50Hz single-phase power, it is crucial to ensure the circuit can handle the starting current and continuous load. A dedicated circuit is often recommended.

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Used Haier DW-86L490 Ultra Low Freezer - Laboratory Freezers

used Equipment

Available

Verified seller

Haier DW-86L490 Ultra Low Freezer

Name: Haier DW-86L490 Ultra Low Freezer
Brand: Haier
SKU: 3046101
Price: 2950 GBP
Availability: InStock

Price: £ 2,950

This listing is for the Haier DW-86L490 Ultra Low Freezer.

The unit has been well maintained, is in full working condition and ready for immediate use.

High-performance ultra-low temperature freezer designed for secure long-term storage of biological samples, reagents, and sensitive materials, offering stable -86°C operation and robust insulation.

Transparency Report and Technical Audit:

Power-On Test: Verified; Digital display active, lighting operational, and fan system engaged.

Notice for Procurement: This unit is sold As-Is.

While we verify the power-on status and physical integrity, we do not perform analytical validation, fluidic testing, or operational calibration.

Ideal for labs with in-house technical expertise or existing service agreements.

Sustainability Impact: By choosing Direct Reuse, your facility avoids the carbon footprint of new manufacturing and prevents specialized materials from entering waste streams.

Direct-to-Lab reuse is the most carbon-efficient way to equip a modern laboratory.

Cambridgeshire, United Kingdom

5,773 km away

Model Number

DW-86L490

Stock Number

3046101

Machinery Masters View

Typical context for this category of equipment. Always confirm specifics with the seller.

Long-term storage of biological samples like DNA, RNA, proteins, and cell lines in research and clinical laboratories.
Preservation of temperature-sensitive reagents, vaccines, and pharmaceuticals.
Storage of forensic evidence and other sensitive materials requiring ultra-low temperatures.
Use in biotechnology, pharmaceutical development, and academic research institutions.

Temperature range: Typically -40°C to -86°C, offering stable ultra-low temperature operation.
Typical capacity: For this class of equipment, capacities commonly range from 300 to 700 litres.
Power supply: Units of this type commonly require a 230V, 50Hz single-phase power supply.
Insulation: Robust multi-layer insulation and vacuum insulation panels are typically used for thermal efficiency.
Refrigeration system: Commonly features a cascade refrigeration system for achieving ultra-low temperatures.
Control system: Typically includes a microprocessor-based control system with digital display and alarm functions.
Defrost method: Manual defrost is standard for ultra-low freezers to maintain stable temperatures.

The footprint for units of this capacity class is typically around 1m x 1m, though exact dimensions vary by model. Buyers should confirm specific dimensions with the seller.

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.

General overview for this equipment type

Machinery Masters Intelligence. General guidance for this category of equipment only, not a substitute for the seller's exact specifications. Always confirm details with the seller.